分類トップ

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＊カンブリア紀〜現代【無顎上綱】。
＊軟骨【無顎上綱】。
＊淡水棲、汽水棲、海水棲、底棲【無顎上綱】。
＊鱗を欠く【無顎上綱】。
＊鰾を欠く【無顎上綱】。
＊耳石を欠く【無顎上綱】。
＊対鰭を欠く(例外あり）【無顎上綱】。
＊成魚は側線を欠く【無顎上綱】。
＊外鼻孔は正中線上に１個【無顎上綱】。
＊舌に角質歯【無顎上綱】。
＊嚢状鰓(鰓嚢）は体表に開口【無顎上綱】。
＊消化管は直走【無顎上綱】。
＊卵生・体外受精【無顎上綱】。
＊カンブリア紀〜三畳紀〜ジュラ紀【錐歯綱】。
　＝示準化石。【錐歯綱】。
＊現世のヌタとヤツメの中間に位置する存在【錐歯綱】。
＊世界中【錐歯綱】。
＊海水棲、底棲【錐歯綱】。
＊体高低く円筒形の鰻様【錐歯綱】。
＊１対の大きな眼球【錐歯綱】。
＊鰓孔【錐歯綱】。
＊微細な歯状突起を有する【錐歯綱】。
＊歯状突起はリン酸カルシウムで形成【錐歯綱】。
　≠スコレコドント Scolecodonts [Annelida]。キチン質。
＊単歯状(真性コノドント）・複歯状(ズラリ）・板状(顎状）など様々【錐歯綱】。
＊体節＋【錐歯綱】。
＊眼球は大きく前方に突出【錐歯綱】。
＊口は下方に開く【錐歯綱】。
＊歯は丸い口にヤツメウナギのように備わる【錐歯綱】。
＊非対鰭は連続性、鰭条に支持される【錐歯綱】。
＊幼生はオタマジャクシのよう【錐歯綱】。
＊オルドビス紀（前期＋中期＋後期）〜シルル紀（前期＋中期）【ドレパノイストドゥス科】。



Family DREPANOISTODONTIDAE (FÅHRÆUS & NOWLAN 1978)　ドレパノイストドゥス科
Conodonts (コノドント類)
Drepanoistodontids (ドレパノイストドゥス科魚種)


Genus Chiganodus^♂ TOLMACHEVA 2014　キガノドゥス属 (絶滅)

◆キガノドゥス・パリリス (絶滅)
　^†Chiganodus parilis Tolmacheva 2014
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

---

Genus Drepanoistodus^♂ LINDSTRÖM 1971 emend. VAN WAMEL 1974　ドレパノイストドゥス属 (絶滅)
　　　← [Sub-Family Drepanoistodontinae FAHRAEUS & NOWLAN 1978]。

◆ドレパノイストドゥス・アルファルキテンシス (絶滅)
　^†Drepanoistodus alfarcitensis Voldman, Zeballo & Albanesi ex Voldman, Albanesi, Monaldi & Zeballo 2013
　^*2013『An Early Ordovician Conodont Fauna from the Santa Rosita Formation at Its Type Area in the Santa Victoria Range, Cordillera Oriental, North-Western Argentina：Gustavo Gabriel Voldman, Guillermo Luis Albanesi, César Rubén Monaldi & Fernando Javier Zeballo』。


◆ドレパノイストドゥス・アクミナトゥス (絶滅)
　^†Drepanoistodus acuminatus (Pander 1856) van Wamel 1974
　　　syn.Oistodus acuminatus Pander 1856
　　　　　Paltodus acuminatus (Pander 1856)
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North-Western Öland, South-Eastern Sweden：Willem Anton van Wamel』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。

◆ドレパノイストドゥス・アルファルキテンシス (絶滅)
　^†Drepanoistodus alfarcitensis Zeballo, Albanesi & Ortega 2005
　^*2005『Conodontes y Graptolitos de las Formaciones Alfarcito y Rupasca, Tremadociano en el Área de Alfarcito, Tilcara, Cordillera Oriental de Jujuy, Argentina 1, Bioestratigrafía ：Zeballo, Albanesi & Gladys Ortega』。

◆ドレパノイストドゥス・アングレンシス (絶滅)
　^†Drepanoistodus angulensis (Harris 1962)
　　　syn.Oistodus angulensis Harris 1962
　^*1962『New Conodonts from Joins, Ordovician Formation of Oklahoma：Reginald Wilson Harris』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1987『Conodonts and Conodont Biostratigraphy of the McLish and Tulip Creek Formations, Middle Ordovician of South-Central Oklahoma：Jeffrey A.Bauer』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-Central Oklahoma：Jeffrey A.Bauer』。

◆ドレパノイストドゥス・バシオウァリス (絶滅)
　^†Drepanoistodus basiovalis (Sergeeva 1963)
　　　syn.Oistodus basiovalis Sergeeva 1963
　^*1963『Конодонты из нижнего ордовика Ленинградской области：Серафима Павловна Сергеева』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1973『Lower and Middle Ordovician Conodonts from the Mystic Formation, Quebec, Canada：Christopher Richard Barnes & M.L.Silvana Poplawski』。
　^*1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin：Christopher Richard Barnes』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1980『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1984『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*1994『Conodonts of the Mójcza Limestone：Jerzy Dzik』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2：Robin Crawford Cantrill』。
　^*2003『Early Ordovician Conodonts from Far Western New South Wales, Australia：Yong-Yi Zhen, Ian G.Percival & Barry Deane Webby』。
　^*2008『An Early Ordovician, Floian Conodont Fauna from the Eastern Cordillera of Peru, Central Andean Basin：Juan Carlos Gutiárrez-Marco, Guillermo Luis Albanesi, Graciela Noemi Sarmiento & Victor Carlotto』。
　^*2011『Middle to Late Ordovician, Darriwilian-Sandbian Conodonts from the Dawangou Section, Kalpin Area of the Tarim Basin, North-Western China：Yong-Yi Zhen, Zhi-Hao Wang, Yuan-Dong Zhang, Stig Magnus Bergström, Ian G.Percival & Jun-Feng Cheng』。
　^*2013-2014『Conodonti e Acritarchi del Darriwiliano, Ordoviciano Medio della Sezione di Källa, Öland, Svezia：Serena Frisenda, Gabriella Bagnoli & Cristiana Ribecai』。
　^*2021『Middle Ordovician Drepanoistodus [Vertebrata, Conodonta] from Baltica, with Description of Three New Species：Jan Audun Rasmussen, Mats E.Eriksson & Anders Lindskog』。

◆ドレパノイストドゥス・ベルルブルネンシス (絶滅)
　^†Drepanoistodus bellburnensis Stouge 1980
　^*1980『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1984『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。

◆ドレパノイストドゥス・クカレズネンシス (絶滅)
　^†Drepanoistodus chucaleznensis Albanesi & Aceñolaza 2005
　^*2005『Conodontes de la Formación Rupasca, Ordovicíco Inferior en el Angosto de Chucalezna, Cordillera Oriental de Jujuy, Nuevos Elementos Bioestratigráficos Para Una Localidad Clásica del Noroeste Argentino：Guillermo Luis Albanesi & Guillermo Federico Aceñolaz』。
　^*2005『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Guillermo Luis Albanesi & Guillermo Federico Aceñolaza』。

◆ドレパノイストドゥス・コスタトゥス (絶滅)
　^†Drepanoistodus costatus (Abaimova 1971)
　　　syn.Drepanodus costatus Abaimova 1971
　　　　　Drepanoistodus pitjanti Cooper 1981
　　　　　Scolopodus ordosensis Wang & Luo 1984
　^*1971『Новые раннеордовикские конодонты юго-востока Сибирской платформы：Галина Петровна Абаимова』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。
　^*1981『Early Ordovician Conodonts from the Horn Valley Siltstone, Central Australia：Barry John Cooper』。
　^*1982『Конодонты in Ордовик Сибирской платформы, Опорный разрез на р.Кулюмбе：Тамара Александровна Москаленко』。
　^*1984『Ордовик западной части Иркутского амфитеатра：Александр Васильевич Каныгин, Тамара Александровна Москаленко, Татьяна Александровна Дивина, Валентина Григорьевна Матухина & Анастасии Геннадьевны Ядренкина』。
　^*1984『鄂爾多斯地台辺縁晩寒武世−奥陶紀牙形刺：王志浩／羅坤泉』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*1993『Conodonts from the Lower Ordovician Coolibah Formation, Georgina Basin, Central Australia：Kathleen Anne Stait & Edric Charles Druce』。
　^*2003『Early Ordovician Conodonts from Far Western New South Wales, Australia：Yong-Yi Zhen, Ian G.Percival & Barry Deane Webby』。
　^*2009『Darriwilian, Middle Ordovician Conodonts from Thompson Creek, Nelson Province, New Zealand：Yong-Yi Zhen, Ian G.Percival, Roger A.Cooper, John Edward Simes & Anthony James Wright』。

◆ドレパノイストドゥス・エキスパンスス (絶滅)
　^†Drepanoistodus expansus (Chen & Gong 1986)
　　　syn.Drepanodus expansus Chen & Gong 1986
　^*1986『Conodonts, Dayangcha（Aspects of Cambrian-ordovician Boundary in Dayangcha）：Jun-Yuan Chen & Wei-Li Gong』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。

◆ドレパノイストドゥス・フォルケプス (絶滅)
　^†Drepanoistodus forceps (Lindström 1955) Lindström 1971
　　　syn.Acodus gratus Lindström 1955
　　　　　Acodus gradiatus Landing 1976　※スペルミス。
　　　　　Drepanodus homocurvatus Lindström 1955
　　　　　Drepanodus planus Lindström 1955
　　　　　Drepanoistodus suberectus forceps (Lindström 1955)
　　　　　Oistodus forceps Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordvieian Strata of South-Central Sweden：Maurits Lindström』。
　^*1961『Konodonty z Ordowickich Głazőw Narzutowych Polski：Zdzisława Wolska』。
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。
　^*1964『The Middle Ordovician of the Oslo Region, Norway 17, Conodonts from the Lower Middle Ordovician of Ringerike：György Hamar』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1965『Lower Ordovician Conodonts and Other Microfossils from the Columbia Ice Fields Section, Alberta, Canada：Raymond Lindsay Ethington & David Leigh Clark』。
　^*1967『Micropaleontology of the Fernvale Formation of Tennessee and Oklahoma：Kenneth Vernon Bordeau』。
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。
　^*1968『Conodont Biofacies Analysis of Some Wilderness, Middle Ordovician Limestones, Ottawa Valley, Ontario 1964：Christopher Richard Barnes』。
　^*1970『Conodonts from the Lévis Formation, Zone D1, Middle Ordovician, Lévis, Quebec：Thomas T.Uyeno & Christopher Richard Barnes』。
　^*1970『Conodonts from the Saint George Formation, Ordovician, Northern Newfoundland：Christopher Richard Barnes & Michael Francis Tuke』。
　^*1970『Preliminary Studies of the Ultrastructure of Selected Ordovician Conodonts：Christopher Richard Barnes, Daniel B.Sass & Eugene A.Monroe』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1971『Lower Ordovician Conodonts from the Bonaparte Gulf Basin and the Daly River Basin, North-Western Australia：Peter John Jones』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North Western Åland：Willem Anton van Wamel』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*1977『Orta Toroslar'da Konodont biy Ostratigrafisi：İsmet Gedık』。
　^*1977『The Stratigraphy and Conodont Biostratigraphy of the Montoya Group, Middle-Upper Ordovician in South-Eastern Arizona：Beth Jana Carroll』。
　^*1978『Middle-Upper Ordovician Conodonts and Stratigraphy of the Gordon Limestone Sub-Group, Tasmania：Clive Francis Burrett』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1980『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1982『Конодонты in Ордовик Сибирской платформы, Опорный разрез на р.Кулюмбе：Тамара Александровна Москаленко』。
　^*1983『寒武紀和奥陶紀牙形石−西南地区古生物図冊／微体古生物分冊：安太庠』。
　^*1984『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1989『Conodonts and Phosphatic Problematica from the Cambro-Ordovician Cooks Brook and Middle Arm Point Formations, Bay of Islands, Western Newfoundland：Kaustuv Roy』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2000『Конодонты и Зональная стратиграфия пограничных отложений кембрия и ордовика：Светлана Викторовна Дубинина』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2：Robin Crawford Cantrill』。
　^*2007『Drepanoistodontid Conodonts from the Early Ordovician Honghuayuan Formation of Guizhou, South China：Yong-Yi Zhen, Ian G.Percival, Anita Löfgren & Jian-Bo Liu』。
　^*2008『An Early Ordovician, Floian Conodont Fauna from the Eastern Cordillera of Peru, Central Andean Basin：Juan Carlos Gutiárrez-Marco, Guillermo Luis Albanesi, Graciela Noemi Sarmiento & Victor Carlotto』。


◆ドレパノイストドゥス・イナエクアリス (絶滅)
　^†Drepanoistodus inaequalis (Pander 1856) van Wamel 1974
　　　syn.Oistodus inaequalis Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。
　^*1970『Conodonts from the Saint George Formation, Ordovician, Northern Newfoundland：Christopher Richard Barnes & Michael Francis Tuke』。
　^*1971『Cambro-Ordovician Conodonts from the Burke River Structural Belt, Queensland：Edric Charles Druce & Peter John Jones』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North Western Åland：Willem Anton van Wamel』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。

◆ドレパノイストドゥス・インコンスタンス (絶滅)
　^†Drepanoistodus inconstans (Lindström 1955) van Wamel 1974
　　　syn.Paltodus inconstans Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordvieian Strata of South-Central Sweden：Maurits Lindström』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North Western Åland：Willem Anton van Wamel』。
　^*1977『Orta Toroslar'da Konodont biy Ostratigrafisi：İsmet Gedık』。

◆ドレパノイストドゥス・イオムミイ (絶滅)
　^†Drepanoistodus iommii Rasmussen, Eriksson & Lindskog 2021
　^*2021『Middle Ordovician Drepanoistodus [Vertebrata, Conodonta] from Baltica, with Description of Three New Species：Jan Audun Rasmussen, Mats E.Eriksson & Anders Lindskog』。
　^*2021『Researchers Name Ancient Eel-Like Species After Black Sabbath Guitarist：Esben Horn』。
　種小名はブラック・サバスのギタリストであるトニー・アイオミにちなむ。記載者の一人・エリクソンが大のメタル狂であるため。

◆ドレパノイストドゥス・ラトゥス (絶滅)
　^†Drepanoistodus latus Pyle & Barnes 2003
　^*2003『Conodonts from a Platform to Basin Transect, Lower Ordovician to Lower Silurian, North-Eastern British Columbia, Canada：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2019『Конодонты среднего ордовика хребта Чингиз Казахстан, таксономический состав комплекса Найманской свиты и его биогеографическая принадлежность：Татьяна Юрьевна Толмачева, Кирилл Евгеньевич Дегтярев & Константин Николаевич Шатагин』。

◆ドレパノイストドゥス・ミヌトゥス (絶滅)
　^†Drepanoistodus minutus Pyle 2000
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2001『Conodonts from the Kechika Formation and Road River Group, Lower to Upper Ordovician) of the Cassiar Terrane, Northern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。

◆ドレパノイストドゥス・ノウラニ (絶滅)
　^†Drepanoistodus nowlani Ji 1989
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。

◆ドレパノイストドゥス・ペルウェトゥス (絶滅)
　^†Drepanoistodus pervetus Nowlan 1985
　　　syn.Drepanodus pervetus (Nowlan 1985) Ji 1989
　^*1985『Late Cambrian and Early Ordovician Conodonts from the Franklinian Miogeosyncline：Godfrey S.Nowlan』。
　^*1988『Latest Cambrian and Earliest Ordovician Conodonts from the Conococheague and Stonehenge Limestones of North-Western Virginia：Randall C.Orndorff』。
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2：Robin Crawford Cantrill』。
　^*2008『Early Ordovician Conodonts from Tarutao Island, Southern Peninsular Thailand：Sachiko Agematsu, Katsuo Sashida, Sirot Salyapongse & Apsorn Sardsud』。

◆ドレパノイストドゥス・ストウゲイ (絶滅)
　^†Drepanoistodus stougei Rasmussen 1991
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2021『Middle Ordovician Drepanoistodus [Vertebrata, Conodonta] from Baltica, with Description of Three New Species：Jan Audun Rasmussen, Mats E.Eriksson & Anders Lindskog』。

◆ドレパノイストドゥス・スベレクトゥス (絶滅)
　^†Drepanoistodus suberectus (Branson & Mehl 1933) Bergström & Sweet 1966
　　　syn.Drepanodus suberectus (Branson & Mehl 1933)
　　　　　Oistodus erectus Branson & Mehl 1933
　　　　　Oistodus suberectus Branson & Mehl 1933 non Furnish 1938
　^*1933『Conodonts from the Plattin, Middle Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1961『Konodonty z Ordowickich Głazőw Narzutowych Polski：Zdzisława Wolska』。
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。
　^*1965『Lower Ordovician Conodonts and Other Microfossils from the Columbia Ice Fields Section, Alberta, Canada：Raymond Lindsay Ethington & David Leigh Clark』。
　^*1966『Conodonts from the Lexington Limestone, Middle Ordovician of Kentucky & Its Lateral Equivalents in Ohio and Indiana：Stig Magnus Bergström & Walter Clarence Sweet』。
　^*1966『The Middle and Upper Ordovician Conodont Faunas of Minnesota：Gerald Frank Webers』。
　^*1966『The Middle Ordovician of the Oslo Region, Norway 22, Preliminary Report on Conodonts from the Oslo-Asker and Ringerike Districts：György Hamar』。
　^*1967『Stratigraphy and Conodont Paleontology of the Brassfield, Silurian in the Cincinnati Arch Area：Carl Buckner Rexroad』。
　^*1968『Conodont Biofacies Analysis of Some Wilderness, Middle Ordovician Limestones, Ottawa Valley, Ontario 1964：Christopher Richard Barnes』。
　^*1970『Conodonts from the Lévis Formation, Zone D1, Middle Ordovician, Lévis, Quebec：Thomas T.Uyeno & Christopher Richard Barnes』。
　^*1971『Cambro-Ordovician Conodonts from the Burke River Structural Belt, Queensland：Edric Charles Druce & Peter John Jones』。
　^*1971『Conodonts and Biostratigraphy of the Wisconsin Paleozoic：David Leigh Clark』。
　^*1971『Lower Ordovician Conodonts from the Bonaparte Gulf Basin and the Daly River Basin, North-Western Australia：Peter John Jones』。
　^*1972『Llandovery Conodonts from the Welsh Borderland：Richard John Aldridge』。
　^*1974『Conodonts of the Hull Formation, Ottawa Group, Middle Ordovician of the Ottawa-Hull Area, Ontario and Quebec：Thomas T.Uyeno』。
　^*1975『Lower Ordovician Sequence and Conodonts, Mount Patriarch, North-West Nelson, New Zealand：Roger A.Cooper & Edric Charles Durce』。
　^*1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin：Christopher Richard Barnes』。
　^*1977『The Stratigraphy and Conodont Biostratigraphy of the Montoya Group, Middle-Upper Ordovician in South-Eastern Arizona：Beth Jana Carroll』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。
　^*1978『Middle-Upper Ordovician Conodonts and Stratigraphy of the Gordon Limestone Sub-Group, Tasmania：Clive Francis Burrett』。
　^*1979『Conodonts and Conodont Biostratigraphy of Post-Tyrone Ordovician Rocks of the Cincinnati Region by Walter Clarence Sweet in Contributions to the Ordovician Paleontology of Kentucky and Nearby States：John Pojeta Jr.』。
　^*1980『The Upper Ordovician and Silurian Hanson Creek Formation of Central Nevada 1979：Reuben James Ross Jr., Thomas B.Nolan & Anita G.Harris』。
　^*1981『Early Ordovician Conodonts from the Horn Valley Siltstone, Central Australia：Barry John Cooper』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1982『Конодонты in Ордовик Сибирской платформы, Опорный разрез на р.Кулюмбе：Тамара Александровна Москаленко』。
　^*1984『Ордовик западной части Иркутского амфитеатра：Александр Васильевич Каныгин, Тамара Александровна Москаленко, Татьяна Александровна Дивина, Валентина Григорьевна Матухина & Анастасии Геннадьевны Ядренкина』。
　^*1985『Caradoc-Ashgill Conodont Faunas from Wales and the Welsh Borderland：Norman Michael Savage & Michael Gwyn Bassett』。
　^*1985『Conodont Biostratigraphy of the Montoya Group, Upper Ordovician from the Mud Springs Mountains of South-Central New Mexico：David G.Evans』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1987『Conodonts and Conodont Biostratigraphy of the McLish and Tulip Creek Formations, Middle Ordovician of South-Central Oklahoma：Jeffrey A.Bauer』。
　^*1988『Conodont Biostratigraphy of the Middle and Upper Ordovician of the Central Basin, Tennessee：Yoo Bong Kim』。
　^*1988『Conodonts from Ordovician-Silurian Boundary Strata, Whittaker Formation, Mackenzie Mountains, North-West Territories：Godfrey S.Nowlan, Alexander Duncan McCracken & Brian Douglas Eyre Chatterton』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*1994『Conodonts of the Mójcza Limestone：Jerzy Dzik』。
　^*1994『Upper Ordovician Conodonts from the Malongulli Formation, Cliefden Caves Area, Central New South Wales：Julie Anne Trotter & Barry Deane Webby』。
　^*1999『Evolutionary Palaeobiology of Deep-Water Conodonts：Caroline J.Smith』。
　^*1999『Late Ordovician Conodonts from the Olistostromal Wisemans Arm Formation, New England Region, Australia：Terry Furey-Greig』。
　^*1999『Upper Ordovician Conodonts from the Bowan Park Succession, Centrai, New South Wales, Australia：Yong-Yi Zhen, Barry Deane Webby & Christopher Richard Barnes』。
　^*2000『Late Ordovician, Eastonian Conodonts from the Early Devonian Drik Drik Formation, Woolomin Area, Eastern Australia：Terry Furey-Greig』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2005『Late Ordovician Vertebrates from the Bighorn Mountains of Wyoming, USA：Ivan James Sansom & Michael Paul Smith』。
　^*2015『Late Ordovician Conodonts and Brachiopods from near Greenvale in the Broken River Province, North Queensland：Yong-Yi Zhen, Ian G.Percival & Peter D.Molloy』。
　^*2019『Taxonomy, Biostratigraphy and Biofacies of an Upper Ordovician, Katian Conodont Fauna from the Casaio Formation, North-West Spain：Gustavo Gabriel Voldman & José M.Toyos』。

◆ドレパノイストドゥス・スウェンディ (絶滅)
　^†Drepanoistodus svendi Rasmussen, Eriksson & Lindskog 2021
　^*2021『Middle Ordovician Drepanoistodus [Vertebrata, Conodonta] from Baltica, with Description of Three New Species：Jan Audun Rasmussen, Mats E.Eriksson & Anders Lindskog』。

◆ドレパノイストドゥス・タブレポインテンシス (絶滅)
　^†Drepanoistodus tablepointensis Stouge 1980
　^*1980『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1984『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2009『Darriwilian, Middle Ordovician Conodonts from Thompson Creek, Nelson Province, New Zealand：Yong-Yi Zhen, Ian G.Percival, Roger A.Cooper, John Edward Simes & Anthony James Wright』。

◆ドレパノイストドゥス・ウェヌストゥス (絶滅)
　^†Drepanoistodus venustus (Stauffer 1935)
　　　syn.Distacodus venustus (Stauffer 1935)
　　　　　Oistodus venustus Stauffer 1935
　　　　　Paltodus venustus (Stauffer 1935)
　^*1935『Conodonts of the Glenwood Beds：Clinton Raymond Stauffer』。
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。
　^*1964『The Middle Ordovician of the Oslo Region, Norway 17, Conodonts from the Lower Middle Ordovician of Ringerike：György Hamar』。
　^*1966『Conodonts from the Lexington Limestone, Middle Ordovician of Kentucky and Its Lateral Equivalents in Ohio and Indiana：Stig Magnus Bergström & Walter Clarence Sweet』。
　^*1966『The Middle and Upper Ordovician Conodont Faunas of Minnesota：Gerald Frank Webers』。
　^*1968『Champlainian Biostratigraphy in Northern Michigan：Emil Charles Guldenzopf』。
　^*1969『Konodonty Ordowickie z Otworu Ketrzyn：Marla Nehring』。
　^*1970『Conodonts from the Lévis Formation, Zone D1, Middle Ordovician, Lévis, Quebec：Thomas T.Uyeno & Christopher Richard Barnes』。
　^*1978『Conodonts from the Cobbs Arm Formation, Middle Ordovician, North-Central Newfoundland：David Roy Hunter』。
　^*1980『The Upper Ordovician and Silurian Hanson Creek Formation of Central Nevada 1979：Reuben James Ross Jr., Thomas B.Nolan & Anita G.Harris』。
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*1994『Conodonts of the Mójcza Limestone：Jerzy Dzik』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2013-2014『Conodonti e Acritarchi del Darriwiliano, Ordoviciano Medio della Sezione di Källa, Öland, Svezia：Serena Frisenda, Gabriella Bagnoli & Cristiana Ribecai』。

◆ドレパノイストドゥス・ウィイラエ (絶滅)
　^†Drepanoistodus viirae Rasmussen, Eriksson & Lindskog 2021
　^*2021『Middle Ordovician Drepanoistodus [Vertebrata, Conodonta] from Baltica, with Description of Three New Species：Jan Audun Rasmussen, Mats E.Eriksson & Anders Lindskog』。

---

Genus Laurentoscandodus^♂ LANDING ex LANDING, WESTROP & KNOX 1996　ラウレントスカンドドゥス属 (絶滅)

◆ラウレントスカンドドゥス・シヌオスス (絶滅)
　^†Laurentoscandodus sinuosus Pyle 2000
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。

◆ラウレントスカンドドゥス・トリアングラリス (絶滅)
　^†Laurentoscandodus triangularis (Furnish 1938)
　　　syn.Acodus triangularis (Furnish 1938)
　　　　　Oistodus triangularis Furnish 1938 non Ding & Wang 1990
　　　　　Oistodus triangulatus Stouge, Stouge & Albani 1982
　^*1938『Conodonts from the Prairie du Chien, Lower Ordovician Beds of the Upper Mississippi Valley：William Madison Furnish』。
　^*1970『Conodonts from the Saint George Formation, Ordovician, Northern Newfoundland：Christopher Richard Barnes & Michael Francis Tuke』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1985『Lower Ordovician Conodonts from Washington Land, Western North Greenland：Svend Josef Høegh Sandbergh Stouge, Gabriella Bagnoli Stouge & Roberto Albani』。
　^*1988『Latest Cambrian and Earliest Ordovician Conodonts from the Conococheague and Stonehenge Limestones of North-Western Virginia：Randall C.Orndorff』。
　^*1992『Lithostratigraphy and Conodont Biostratigraphy of the Grove Creek Dolomite Member of the Snowy Range Formation, Cambrian-Ordovician Big Snowy Mountains Montana：Patricia G.Weaver』。
　^*1996『Conodonts, Stratigraphy and Relative Sea-Level Changes of the Tribes Hill Formation, Lower Ordovician, East-Central New York：Ed Landing, Stephen Richard Westrop & Leanne A.Knox』。

---

Genus Nordiodus^♂ SERPAGLI 1967　ノルディオドゥス属 (絶滅)

◆ノルディオドゥス・イタリクス (絶滅)
　^†Nordiodus italicus Serpagli 1967
　　　syn.Nordiodus proclinatus Serpagli 1967
　　　　　Oistodus rhodesi Serpagli 1967
　^*1967『I Conodonti dell'Ordoviciano Superiore, Ashgilliano delle Alpi Carniche：Enrico Serpagli』。
　^*2008『Conodontos y Microfacies del Ordovicico Superior de la Cordillera Iberica y Sierra Morena Oriental 2007：Begoña del Moral González』。
　^*2015『Late Ordovician Conodonts and Brachiopods from near Greenvale in the Broken River Province, North Queensland：Yong-Yi Zhen, Ian G.Percival & Peter D.Molloy』。

---

Genus Paltodus^♂ PANDER 1856 emend. LÖFGREN 1997　パルトドゥス属 (絶滅)
　オルドビス紀（前期＋中期＋後期）〜シルル紀（前期＋中期）。


◆パルトドゥス・ビコスタトゥス (絶滅)
　^†Paltodus bicostatus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1887-1890『Handbuch der Palaeontologie 3, Vertebrata：Karl Alfred Ritter von Zittel』。


◆パルトドゥス・カナリクラトゥス (絶滅)
　^†Paltodus canaliculatus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。

◆パルトドゥス・コムポシトゥス (絶滅)
　^†Paltodus compositus Moskalenko 1973
　^*1973『Конодонты среднего и верхнего ордовика Сибирской платформы, Новосибирск Диссертации о Земле：Тамара Александровна Москаленко』。
　^*1978『Ордовик Сибирской платформы, Опорные разрезы верхнего ордовика, Труды института геологии и геофизики. Выпуск 340：Тамара Александровна Москаленко, В.С.Семенова, Анастасии Геннадьевны Ядренкина & Ариадна Михайловна Ярошинская』。

◆パルトドゥス・コルヌティフォルミス (絶滅)
　^†Paltodus cornutiformis (Branson & Mehl 1933)
　　　syn.Scolopodus cornutiformis Branson & Mehl 1933 non Sergeeva 1963
　^*1933『Conodonts from the Jefferson City, Lower Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。
　^*1970『Conodonts from the Saint George Formation, Ordovician, Northern Newfoundland：Christopher Richard Barnes & Michael Francis Tuke』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1982『Конодонты in Ордовик Сибирской платформы, Опорный разрез на р.Кулюмбе：Тамара Александровна Москаленко』。
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。
　^*2000『Конодонты и Зональная стратиграфия пограничных отложений кембрия и ордовика：Светлана Викторовна Дубинина』。

◆パルトドゥス・デルティフェル亜種デルティフェル (絶滅)
　^†Paltodus deltifer deltifer (Lindström 1955) Lindström 1971
　　　syn.Drepanodus deltifer Lindström 1955
　　　　　Drepanoistodus deltifer (Lindström 1955)
　^*1955『Conodonts from the Lower-Most Ordvieian Strata of South-Central Sweden：Maurits Lindström』。
　^*1965『Lower Ordovician Conodonts and Other Microfossils from the Columbia Ice Fields Section, Alberta, Canada：Raymond Lindsay Ethington & David Leigh Clark』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1977『Orta Toroslar'da Konodont biy Ostratigrafisi：İsmet Gedık』。
　^*1980『Conodonts from the Tremadocian Chalcedony Beds, Holy Cross Mountains, Poland：Hubert Szaniawski』。
　^*1997『Conodont Faunas from the Upper Tremadoc, at Brattefors South-Central Sweden and Reconstriction of the Paltodus Apparatus：Anita Löfgren』。
　^*2000『Конодонты и Зональная стратиграфия пограничных отложений кембрия и ордовика：Светлана Викторовна Дубинина』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2007『Drepanoistodontid Conodonts from the Early Ordovician Honghuayuan Formation of Guizhou, South China：Yong-Yi Zhen, Ian G.Percival, Anita Löfgren & Jian-Bo Liu』。

◆パルトドゥス・デルティフェル亜種ペラクトゥス (絶滅)
　^†Paltodus deltifer peracutus (Lindström 1955)
　　　syn.Distacodus peracutus Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordvieian Strata of South-Central Sweden：Maurits Lindström』。

◆パルトドゥス・デルティフェル亜種プリスティヌス (絶滅)
　^†Paltodus deltifer pristinus (Viĭra 1970)
　　　syn.Drepanoistodus deltifer pristinus (Viĭra 1970)
　　　　　Drepanodus pristinus Viĭra 1970
　^*1970『Конодонты варангуской пачки, верхний тремадок Эстонии：Вийве Яановна Вийра』。
　^*1980『Conodonts from the Tremadocian Chalcedony Beds, Holy Cross Mountains, Poland：Hubert Szaniawski』。
　^*2005『Conodontes de la Formación Rupasca, Ordovicíco Inferior en el Angosto de Chucalezna, Cordillera Oriental de Jujuy, Nuevos Elementos Bioestratigráficos Para Una Localidad Clásica del Noroeste Argentino：Guillermo Luis Albanesi & Guillermo Federico Aceñolaz』。
　^*2005『Conodontes y Graptolitos de las Formaciones Alfarcito y Rupasca, Tremadociano en el Área de Alfarcito, Tilcara, Cordillera Oriental de Jujuy, Argentina 2, Paleontologia Sistematica：Fernando Javier Zeballo, Guillermo Luis Albanesi & Gladys Ortega』。

◆パルトドゥス・ディストルトゥス (絶滅)
　^†Paltodus distortus Branson & Mehl 1933
　^*1933『Conodonts from the Jefferson City, Lower Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。

◆パルトドゥス・イェムトランディクス (絶滅)
　^†Paltodus jemtlandicus Löfgren 1978
　^*1978『Arenigian and Llanvirnian Conodonts from Jämtland, Northern Sweden：Anita Löfgren』。

◆パルトドゥス・クルレルデンシス (絶滅)
　^†Paltodus kullerudensis (Hamar 1964)
　　　　syn.Acontiodus kullerudensis Hamar 1964
　^*1964『The Middle Ordovician of the Oslo Region, Norway 17, Conodonts from the Lower Middle Ordovician of Ringerike：György Hamar』。

◆パルトドゥス・マディガニ (絶滅)
　^†Paltodus madigani Crespin 1943
　^*1943『Conodonts from the Waterhouse Range, Central Australia：Irene Crespin』。

◆パルトドゥス・ミグラトゥス (絶滅)
　^†Paltodus migratus Rexroad 1967
　^*1967『Stratigraphy and Conodont Paleontology of the Brassfield, Silurian in the Cincinnati Arch Area：Carl Buckner Rexroad』。
　^*1968『Stratigraphy and Conodont Paleontology of the Salamonie Dolomite and Lee Creek Member of the Brassfield Limestone, Silurian in South-Eastern Indiana and Adjacent Kentucky：Robert S.Nicoll & Carl Buckner Rexroad』。
　^*1972『Llandovery Conodonts from the Welsh Borderland：Richard John Aldridge』。
　^*1983『志留紀牙形石−西南地区古生物図冊／微体古生物分冊：周希雲／翟志強』。

◆パルトドゥス・ヌドゥス (絶滅)
　^†Paltodus nudus Drygant 1974
　^*1974『Простые конодонты силура и низов девона Волыно-Подолья：Данило Михайлович Дригант』。


◆パルトドゥス・オブトゥスス (絶滅)
　^†Paltodus obtusus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。

◆パルトドゥス・プラヌス (絶滅)
　^†Paltodus planus Warris 1967
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。

◆パルトドゥス・レックス亜種パルトディフォルミス (絶滅)
　^†Paltodus rex paltochformis (Repetski 1982)
　　　syn.Scolopodus rex paltochformis Repetski 1982
　　　　　Scolopodus rex paltodiformis Lindström 1955 emend. Repetski 1982
　^*1955『Conodonts from the Lower-Most Ordovician Strata of South-Central Sweden：Maurits Lindström』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。

◆パルトドゥス・レックス亜種レックス (絶滅)
　^†Paltodus rex rex (Lindström 1955)
　　　syn.Scolopodus rex rex Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordovician Strata of South-Central Sweden：Maurits Lindström』。
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North-Western Öland, South-Eastern Sweden：Willem Anton van Wamel』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*2000『Конодонты и Зональная стратиграфия пограничных отложений кембрия и ордовика：Светлана Викторовна Дубинина』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2：Robin Crawford Cantrill』。


◆パルトドゥス・ロトゥンダトゥス (絶滅)
　^†Paltodus rotundatus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。

◆パルトドゥス・スコウィ (絶滅)
　^†Paltodus sukhovi Abaimova ex Kanygin, Moskalenko, Yadrenkina, Abaimova, Semenova, Sychev & Timokhin 1989
　^*1989『Ордовик Сибирской платформы：Александр Васильевич Каныгин, Тамара Александровна Москаленко, Анастасии Геннадьевны Ядренкина, Галина Петровна Абаимова, В.С.Семенова, О.В.Сычев & Александр Владиленович Тимохин』。


◆パルトドゥス・スブアエクアリス (絶滅)
　^†Paltodus subaequalis Pander 1856　※＝subaegualis。
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1958『A Key to Conodont Genera and Sub-Genera：Robert Oran Fay』。
　^*1997『Conodont Faunas from the Upper Tremadoc, at Brattefors South-Central Sweden and Reconstriction of the Paltodus Apparatus：Anita Löfgren』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。


◆パルトドゥス・トルンカトゥス (絶滅)
　^†Paltodus truncatus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1887-1890『Handbuch der Palaeontologie 3, Vertebrata：Karl Alfred Ritter von Zittel』。

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Genus Paroistodus^♂ LINDSTRÖM 1971　パロイストドゥス属 (絶滅)

◆パロイストドゥス・ホルリドゥス亜種ホルリドゥス (絶滅)
　^†Paroistodus horridus horridus (Barnes & Poplawski 1973)
　　　syn.Cordylodus horridus Barnes & Poplawski 1973
　　　　　Spinodus horridus (Barnes & Poplawski 1973)
　^*1973『Lower and Middle Ordovician Conodonts from the Mystic Formation, Quebec, Canada：Christopher Richard Barnes & M.L.Silvana Poplawski』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*1980『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*1984『Conodonts of the Middle Ordovician Table Head Formation, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2009『Darriwilian, Middle Ordovician Conodonts from Thompson Creek, Nelson Province, New Zealand：Yong-Yi Zhen, Ian G.Percival, Roger A.Cooper, John Edward Simes & Anthony James Wright』。

◆パロイストドゥス・ホルリドゥス亜種プリムス (絶滅)
　^†Paroistodus horridus primus Albanesi 1998
　^*1998『Taxonomia de Conodontes de las Secuencias Ordovicicas del Cerro Potrerillo, Precordillera Central de San Juan, República Argentina：Guillermo Luis Albanesi』。

◆パロイストドゥス・ホルリドゥス亜種セクンドゥス (絶滅)
　^†Paroistodus horridus secundus Albanesi 1998
　^*1998『Taxonomia de Conodontes de las Secuencias Ordovicicas del Cerro Potrerillo, Precordillera Central de San Juan, República Argentina：Guillermo Luis Albanesi』。

◆パロイストドゥス・ノウラニ (絶滅)
　^†Paroistodus nowlani Zhen, Webby & Barnes 1999
　^*1999『Upper Ordovician Conodonts from the Bowan Park Succession, Central New South Wales, Australia：Yong-Yi Zhen, Barry Deane Webby & Christopher Richard Barnes』。

◆パロイストドゥス・ヌマルクアトゥス (絶滅)
　^†Paroistodus numarcuatus (Lindström 1955) Löfgren 1997
　　　syn.Acodus pulcher Lindström 1955
　　　　　Drepanodus amoenus Lindström 1955
　　　　　Drepanodus numarcuatus Lindström 1955
　　　　　Drepanoistodus amoenus (Lindström 1955)
　　　　　Drepanoistodus numarcuatus (Lindström 1955) van Wamel 1974
　　　　　Paroistodus amoenus (Lindström 1955)
　^*1955『Conodonts from the Lower-Most Ordvieian Strata of South-Central Sweden：Maurits Lindström』。
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North-Western Öland, South-Eastern Sweden：Willem Anton van Wamel』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1997『Reinterpretation of the Lower Ordovician Conodont Apparatus Paroistodus：Anita Löfgren』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。
　^*2008『Early Ordovician Conodonts from Tarutao Island, Southern Peninsular Thailand：Sachiko Agematsu, Katsuo Sashida, Sirot Salyapongse & Apsorn Sardsud』。
　^*2022『First Record of an Early Ordovician Brachiopod and Conodont Fauna from Lapland, Sweden：Michael Streng, Jan Audun Rasmussen, Jan Ove Roysi Ebbestad & Thomas Weidnere』。

◆パロイストドゥス・オリギナリス (絶滅)
　^†Paroistodus originalis (Sergeeva 1963)
　　　syn.Drepanodus originalis (Sergeeva 1963)
　　　　　Oistodus originalis Sergeeva 1963
　　　　　Paroistodus parallelus originalis (Sergeeva 1963)
　^*1963『Конодонты из нижнего ордовика Ленинградской области：Серафима Павловна Сергеева』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*1993『Conodonts from the Lower Ordovician Coolibah Formation, Georgina Basin, Central Australia：Kathleen Anne Stait & Edric Charles Druce』。
　^*1997『Reinterpretation of the Lower Ordovician Conodont Apparatus Paroistodus：Anita Löfgren』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2006『Lower and Middle Ordovician Conodonts from the Thung Song and Thung Wa Areas, Southern Peninsular Thailand：Sachiko Agematsu, Katsuo Sashida, Sirot Salyapongse & Apsorn Sardsud』。
　^*2009『Darriwilian, Middle Ordovician Conodonts from Thompson Creek, Nelson Province, New Zealand：Yong-Yi Zhen, Ian G.Percival, Roger A.Cooper, John Edward Simes & Anthony James Wright』。


◆パロイストドゥス・パラレレルス (絶滅)
　^†Paroistodus parallelus (Pander 1856) van Wamel 1974　※＝Paraistodus。
　　　syn.Oistodus parallelus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1961『Konodonty z Ordowickich Głazőw Narzutowych Polski：Zdzisława Wolska』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North-Western Öland, South-Eastern Sweden：Willem Anton van Wamel』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*1977『Orta Toroslar'da Konodont biy Ostratigrafisi：İsmet Gedık』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1986『Early Ordovician, Arenig Conodonts from Saint Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland：David Ian Johnston』。
　^*1989『Conodonts and Phosphatic Problematica from the Cambro-Ordovician Cooks Brook and Middle Arm Point Formations, Bay of Islands, Western Newfoundland：Kaustuv Roy』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway：Jan Audun Rasmussen』。
　^*1997『Reinterpretation of the Lower Ordovician Conodont Apparatus Paroistodus：Anita Löfgren』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2009『Biogeographic and Biostratigraphic Implications of the Serratognathus bilobatus Fauna [Conodonta] from the Emanuel Formation, Early Ordovician of the Canning Basin, Western Australia：Yong-Yi Zhen & Robert S.Nicoll』。

◆パロイストドゥス・プロテウス (絶滅)
　^†Paroistodus proteus (Lindström 1955)
　　　syn.Drepanodus proteus Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordvieian Strata of South-Central Sweden：Maurits Lindström』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1965『Lower Ordovician Conodonts and Other Microfossils from the Columbia Ice Fields Section, Alberta, Canada：Raymond Lindsay Ethington & David Leigh Clark』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1979『Upper Cambrian to Lower Ordovician Conodonts of Łeba Elevation, North-West Poland, and Their Stratigraphic Significance：Wiesław Bednarczik』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1989『Conodonts and Phosphatic Problematica from the Cambro-Ordovician Cooks Brook and Middle Arm Point Formations, Bay of Islands, Western Newfoundland：Kaustuv Roy』。
　^*1997『Reinterpretation of the Lower Ordovician Conodont Apparatus Paroistodus：Anita Löfgren』。
　^*2000『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Northern British Columbia：Leanne J.Pyle』。
　^*2000『Конодонты и Зональная стратиграфия пограничных отложений кембрия и ордовика：Светлана Викторовна Дубинина』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2002『Taxonomy, Evolution, and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation, and Road River Group, Upper Cambrian to Lower Silurian, North-Eastern British Columbia：Leanne J.Pyle & Christopher Richard Barnes』。
　^*2007『Drepanoistodontid Conodonts from the Early Ordovician Honghuayuan Formation of Guizhou, South China：Yong-Yi Zhen, Ian G.Percival, Anita Löfgren & Jian-Bo Liu』。
　^*2009『Biogeographic and Biostratigraphic Implications of the Serratognathus bilobatus Fauna [Conodonta] from the Emanuel Formation, Early Ordovician of the Canning Basin, Western Australia：Yong-Yi Zhen & Robert S.Nicoll』。

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Genus Venoistodus^♂ LÖFGREN 2006　ウェノイストドゥス属 (絶滅)

◆ウェノイストドゥス・バルティクス (絶滅)
　^†Venoistodus balticus Löfgren 2006
　^*2006『An Oistodus venustus-Like Conodont Species from the Middle Ordovician of Baltoscandia：Anita M.Löfgren』。
　^*2009『Darriwilian, Middle Ordovician Conodonts from Thompson Creek, Nelson Province, New Zealand：Yong-Yi Zhen, Ian G.Percival, Roger A.Cooper, John Edward Simes & Anthony James Wright』。

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