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）【アコドゥス科】。



Family ACODONTIDAE DZIK 1994　アコドゥス科
Acodontids (アコドゥス科魚種)
Conodonts (コノドント類)


Genus Acodus^♂ PANDER 1856 emend. LINDSTRÖM ex ZIEGLER 1977　アコドゥス属 (絶滅)
　オルドビス紀（前期＋中期＋後期）〜シルル紀（前期＋中期）。


◆アコドゥス・アクトゥス (絶滅)
　^†Acodus acutus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。

◆アコドゥス・アリフォルミス (絶滅)
　^†Acodus aliformis Abaimova 1975
　^*1975『Раннеордовикские конодонты среднего течения р.Лены：Галина Петровна Абаимова』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。

◆アコドゥス・アンケプス (絶滅)
　^†Acodus anceps Moskalenko 1970
　^*1970『Конодонты криволуцкого яруса, средниЙ ордовик Сибирской платформы：Тамара Александровна Москаленко』。

◆アコドゥス・アペックス (絶滅)
　^†Acodus apex Albanesi, Ortega, Monaldi & Zeballo 2010
　^*2010『Conodontes y Graptolitos del Tremadociano Tardio, Ordovicico de la Sierra de Zenta, Cordillera Oriental de Jujuy, Argentina：Guillermo Luis Albanesi, Gladys Ortega, César Rubén Monaldi & Fernando Javier Zeballo』。

◆アコドゥス・ブエテフエリ (絶滅)
　^†Acodus buetefueri Cooper 1981
　^*1981『Early Ordovician Conodonts from the Horn Valley Siltstone, Central Australia：Barry John Cooper』。

◆アコドゥス・キンギジクス (絶滅)
　^†Acodus chingizicus Tolmacheva 2014
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

◆アコドゥス・デンティオウラトゥス (絶滅)
　^†Acodus dentioulatus Graves ex Graves & Ellison 1941
　^*1941『Ordovician Conodonts of the Marathon Basin, Texas：Roy William Graves Jr. & Samuel Porter Ellison』。


◆アコドゥス・クラッスス (絶滅)
　^†Acodus crassus Pander 1856
　^*1941『Ordovician Conodonts of the Marathon Basin, Texas：Roy William Graves Jr. & Samuel Porter Ellison』。

◆アコドゥス・エレトシクス (絶滅)
　^†Acodus eletsicus Kuznetsov & Shishkin 2011
　^*2011『Новая Фауна конодонтов среднего ордовике Полярного Урала, Среднее Течение. р.Лек-Елец：Н.Б.Кузнецов & М.А.Шишкин』。


◆アコドゥス・エレクトゥス (絶滅)
　^†Acodus erectus Pander 1856
　^*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』。
　^*1977『Catalogue of Conodonts 3：Willi Ziegler』。
　^*1977『Orta Toroslar'da Konodont biy Ostratigrafisi：İsmet Gedık』。
　^*1994『Conodonts of the Mójcza Limestone：Jerzy Dzik』。

◆アコドゥス・フィルムス (絶滅)
　^†Acodus firmus Viĭra 1970
　^*1970『Конодонты варангуской пачки, верхний тремадок Эстонии：Вийве Яановна Вийра』。

◆アコドゥス・イノルナトゥス (絶滅)
　^†Acodus inornatus Ethington 1959
　^*1959『Conodonts of the Ordovician Galena Formation：Raymond Lindsay Ethington』。
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。
　^*1966『The Middle Ordovician of the Oslo Region, Norway 22, Preliminary Report on Conodonts from the Oslo-Asker and Ringerike Districts：György Hamar』。

◆アコドゥス・ケキカエンシス (絶滅)
　^†Acodus kechikaensis 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』。
　^*2003『Conodonts from a Platform-to-Basin Transect, Lower Ordovician to Lower Silurian, North-Eastern British Columbia, Canada：Leanne J.Pyle & Christopher Richard Barnes』。

◆アコドゥス・ミラビリス (絶滅)
　^†Acodus mirabilis Abaimova 1975
　^*1975『Раннеордовикские конодонты среднего течения р.Лены：Галина Петровна Абаимова』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。

◆アコドゥス・ネオデルタトゥス (絶滅)
　^†Acodus neodeltatus 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』。
　^*2003『Conodonts from a Platform-to-Basin Transect, Lower Ordovician to Lower Silurian, North-Eastern British Columbia, Canada：Leanne J.Pyle & Christopher Richard Barnes』。

◆アコドゥス・ヌマルティペス (絶滅)
　^†Acodus numaltipes Schopf 1964
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。


◆アコドゥス・プラヌス (絶滅)
　^†Acodus planus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。

◆アコドゥス・プリミティウス (絶滅)
　^†Acodus primitivus Zeballo & Albanesi 2012
　^*2012『New Conodont Species and Biostratigraphy of the Santa Rosita Formation, Upper Furongian-Tremadocian in the Tilcara Range, Cordillera Oriental of Jujuy, Argentina：Fernando Javier Zeballo & Guillermo Luis Albanesi』。

◆アコドゥス・プリムス (絶滅)
　^†Acodus primus Ji 1989
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。

◆アコドゥス・ピラミダリス (絶滅)
　^†Acodus pyramidalis Warris 1967
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。

◆アコドゥス・クエンティネンシス (絶滅)
　^†Acodus quentinensis 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』。

◆アコドゥス・スカンドディフォルミス (絶滅)
　^†Acodus scandodiformis Abaimova 1975
　^*1975『Раннеордовикские конодонты среднего течения р.Лены：Галина Петровна Абаимова』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。


◆アコドゥス・シグモイデウス (絶滅)
　^†Acodus sigmoideus Pander 1856
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。

◆アコドゥス・トランシタンス (絶滅)
　^†Acodus transitans McTavish 1973
　^*1973『Prioniodontacean Conodonts from the Emanuel Formation, Lower Ordovician of Western Australia：Robert A.McTavish』。
　^*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』。

◆アコドゥス・トリアングラリス (絶滅)
　^†Acodus triangularis (Ding & Wang 1990)
　　　syn.Diplognathodus triangularis Ding & Wang 1990 non Furnish 1938
　^*1990『The Carboniferous-Permian Conodont Event Stratigraphy in the South of the North China Platform：Hui Ding & Shi-Lu Wan』。
　^*2005『Revision of Two Prioniodontid Species [Conodonta] from the Early Ordovician Honghuayuan Formation of Guizhou, South China：Yong-Yi Zhen, Jian-Bo Liu & Ian G.Percival』。

◆アコドゥス・トリアングラトゥス (絶滅)
　^†Acodus triangulatus Fåhræus 1966
　^*1966『Lower Viruan, Middle Ordovician Conodonts from the Gullhögen Quarry, Southern Central Sweden：Lars E.Fåhræus』。

◆アコドゥス・トリクエトルス (絶滅)
　^†Acodus triquetrus Moskalenko 1982
　^*1982『Конодонты in Ордовик Сибирской платформы, Опорный разрез на р.Кулюмбе：Тамара Александровна Москаленко』。

◆アコドゥス・トゥルルラトゥス (絶滅)
　^†Acodus trullatus Hamar 1966
　^*1966『The Middle Ordovician of the Oslo Region, Norway 22, Preliminary Report on Conodonts from the Oslo-Asker and Ringerike Districts：György Hamar』。

◆アコドゥス・ウニコスタトゥス (絶滅)
　^†Acodus unicostatus Branson & Branson 1947
　^*1947『Lower Silurian Conodonts from Kentucky：Edward Bayer Branson & Carl Colton Branson』。
　^*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』。

◆アコドゥス・ワレンシス (絶滅)
　^†Acodus warensis 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』。

◆アコドゥス・ゼバルルス (絶滅)
　^†Acodus zeballus Voldman, Albanesi, Ortega, Giuliano & Monaldi 2016
　^*2016『New Conodont Taxa and Biozones from the Lower Ordovician of the Cordillera Oriental, North-West Argentina：Gustavo Gabriel Voldman, Guillermo Luis Albanesi, Gladys Ortega, María Eugenia Giuliano & César Ruben Monaldi』。

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Genus Diaphorodus^♂ KENNEDY 1980　ディアフォロドゥス属 (絶滅)

◆ディアフォロドゥス・デリカトゥス亜種デリカトゥス (絶滅)
　^†Diaphorodus delicatus delicatus (Branson & Mehl 1933)
　　　syn.Acodus delicatus Branson & Mehl 1933 non Pyle 1994
　^*1933『Conodonts from the Jefferson City, Lower Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1980『Eine Erneute Untersuchung der von Branson und Mehl 1933, Beschriebenen Conodonten aus der Jefferson City Formation, Unteres Ordovizium, Missouri：David J.Kennedy』。　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1986『Early Ordovician, Arenig Conodonts from Saint Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland：David Ian Johnston』。
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*2020『Upper Cambrian and Lower Ordovician Conodont Biostratigraphy and Revised Lithostratigraphy, Boothia Peninsula, Nunavut：Shun-Xin Zhang』。

◆ディアフォロドゥス・デリカトゥス亜種ウルガリス (絶滅)
　　^†Diaphorodus delicatus vulgaris (Branson & Mehl 1933)
　　　　syn.Oistodus vulgaris Branson & Mehl 1933
　^*1933『Conodonts from the Jefferson City, Lower Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。

◆ディアフォロドゥス・エマヌエレンシス (絶滅)
　^†Diaphorodus emanuelensis (McTavish 1973)
　　　syn.Acodus emanuelensis McTavish 1973
　^*1973『Prioniodontacean Conodonts from the Emanuel Formation, Lower Ordovician of Western Australia：Robert A.McTavish』。
　^*1981『Early Ordovician Conodonts from the Horn Valley Siltstone, Central Australia：Barry John Cooper』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*2000『Конодонты и Зональная стратиграфия пограничных отложений кембрия и ордовика：Светлана Викторовна Дубинина』。

◆ディアフォロドゥス・グラウェルセンシス (絶滅)
　^†Diaphorodus gravelsensis Stait 1989
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。

◆ディアフォロドゥス・ルッソイ (絶滅)
　^†Diaphorodus russoi (Serpagli 1974)
　　　syn.Acodus russoi Serpagli 1974
　^*1974『Un Momentodella Storia Geologica dell'Ordoviciano Atlantico：Enrico Serpagli』。
　^*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』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*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 2：Robin Crawford Cantrill』。

◆ディアフォロドゥス・ステウェンシ (絶滅)
　^†Diaphorodus stevensi Stait 1989
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。

◆ディアフォロドゥス・トルトゥス (絶滅)
　^†Diaphorodus tortus (McTavish 1973)
　　　syn.Acodus deltatus tortus McTavish 1973
　^*1973『Prioniodontacean Conodonts from the Emanuel Formation, Lower Ordovician of Western Australia：Robert A.McTavish』。
　^*1993『Conodonts from the Lower Ordovician Coolibah Formation, Georgina Basin, Central Australia：Kathleen Anne Stait & Edric Charles Druce』。

◆ディアフォロドゥス・トウェイ (絶滅)
　^†Diaphorodus tovei Stouge & Bagnoli 1988
　^*1988『Early Ordovician Conodonts from Cow Head Peninsula, Western Newfoundland：Svend Josef Høegh Sandbergh Stouge & Gabriella Bagnoli』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。

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Genus Eoneoprioniodus^♂ MOUND 1965　エオネオプリオニオドゥス属 (絶滅)

◆エオネオプリオニオドゥス・ビロンガトゥス (絶滅)
　^†Eoneoprioniodus bilongatus (Harris 1962)
　　　syn.Oistodus bilongatus Harris 1962
　^*1962『New Conodonts from Joins, Ordovician Formation of Oklahoma：Reginald Wilson Harris』。
　^*1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin：Christopher Richard Barnes』。

◆エオネオプリオニオドゥス・トリプテロロブス (絶滅)
　^†Eoneoprioniodus tripterolobus Mound 1965
　　　syn.Acodus tripterolobus Mound 1965
　　　　　Acontiodus bialatus Mound 1965
　　　　　Eoneoprioniodus bialatus (Mound 1965)
　　　　　Eoneoprioniodus cryptodens Mound 1965
　　　　　　　※模式種、但し先に記載された Acodus tripterolobus Mound 1965 に統合。
　　　　　Pteracontiodus cryptodens (Mound 1965)
　^*1965『Two New Conodont Genera from the Joins Formation, Lower Middle Ordovician of Oklahoma：Michael C.Mound』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin：Christopher Richard Barnes』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*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 2：Robin Crawford Cantrill』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-central Oklahoma：Jeffrey A.Bauer』。

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Genus Oistodella^♀ BRADSHAW 1969　オイストデルラ属 (絶滅)

◆オイストデルラ・プルクラ (絶滅)
　^†Oistodella pulchra Bradshaw 1969
　^*1969『Conodonts from the Fort Peña Formation, Middle Ordovician, Marathon Basin, Texas：Lael Ely Bradshaw』。
　^*2012『Middle Ordovician, Late Dapingian-Darriwilian Conodonts from the Cow Head Group and Lower Head Formation, Western Newfoundland, Canada：Svend Josef Høegh Sandbergh Stouge』。

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Genus Pteracontiodus^♂ HARRIS & HARRIS 1965　プテラコンティオドゥス属 (絶滅)

◆プテラコンティオドゥス・アラトゥス (絶滅)
　^†Pteracontiodus alatus (Dzik 1976)
　　　syn.Eoneoprioniodus alatus (Dzik 1976)
　　　　　Triangulodus alatus Dzik 1976
　^*1976『Remarks on the Evolution of Ordovician Conodonts：Jerzy Dzik』。
　^*1987『Conodonts and Conodont Biostratigraphy of the McLish and Tulip Creek Formations, Middle Ordovician of South-Central Oklahoma：Jeffrey A.Bauer』。
　^*1994『Conodonts of the Mójcza Limestone：Jerzy Dzik』。
　^*2013『Middle and Upper Ordovician Conodonts of the Moscow Syneclise, New Data on Stratigraphy of the Borehole Gavrilov Yam-1 Section：Tatiana Yurievna Tolmacheva, Alexey V.Zaitsev & Aleksander S.Alekseev』。

◆プテラコンティオドゥス・アクイラトゥス (絶滅)
　^†Pteracontiodus aquilatus Harris & Harris 1965
　^*1965『Some West Spring Creek, Ordovician Arbuckle Conodonts from Oklahoma：Reginald Wilson Harris & Beth Harris』。

◆プテラコンティオドゥス・アルミルラトゥス (絶滅)
　^†Pteracontiodus armillatus Smith 1985
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。

◆プテラコンティオドゥス・ブランソニ (絶滅)
　^†Pteracontiodus bransoni (Ethington & Clark 1981)
　　　syn.Acodus bransoni (Ethington & Clark 1981)
　　　　　Oistodus bransoni Ethington & Clark 1981
　^*1981『Lower and Middle Ordovician Conodonts from the Ibex Area, Millard County, Utah：Raymond Lindsay Ethington & David Leigh Clark』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*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』。

◆プテラコンティオドゥス・エキシリス (絶滅)
　^†Pteracontiodus exilis Harris & Harris 1965
　^*1965『Some West Spring Creek, Ordovician Arbuckle Conodonts from Oklahoma：Reginald Wilson Harris & Beth Harris』。

◆プテラコンティオドゥス・グラキリス (絶滅)
　^†Pteracontiodus gracilis Ethington & Clark 1982
　^*1982『Lower and Middle Ordovician Conodonts from the Ibex Area, Western Millard County, Utah：Raymond Lindsay Ethington & David Leigh Clark』。

---

Genus Triangulodus^♂ VAN WARNEL 1974　トリアングロドゥス属 (絶滅)
　　　※≠Genus Trigonodus^♂ ALBERTI 1864 [Pachycardiidae, Bivalvia, Mollusca]。
　　　※＋Genus Trigonodus^♂ NIEPER ex HILL, PLAYFORD & WOODS 1969 emend. COOPER 1981 (Type species : Oistodus larapintinensis Crespin 1943)。
　　　※≠Genus Trigonodus^♂ SANDBERGER 1864 [Pachycardiidae, Bivalvia, Mollusca]。
　　　※≠Genus Trigonodus^♂ WINKLER 1874 [Carcharhinidae]。

◆トリアングロドゥス・アキエンシス (絶滅)
　^†Triangulodus akiensis 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』。

◆トリアングロドゥス・アマビリス (絶滅)
　^†Triangulodus amabilis Rasmussen 2001
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。

◆トリアングロドゥス・ビフィドゥス (絶滅)
　^†Triangulodus bifidus Zhen ex Zhen, Percival & Liu 2006
　^*2006『Early Ordovician Triangulodus [Conodonta] from the Honghuayuan Formation of Guizhou, South China：Yong-Yi Zhen, Ian G.Percival & Jian-Bo Liu』。

◆トリアングロドゥス・ブレウィバシス (絶滅)
　^†Triangulodus brevibasis (Sergeeva 1963)
　　　syn.Oistodus brevibasis Sergeeva 1963
　　　　　Scandodus brevibasis (Sergeeva 1963)
　　　　　Triangulodus brevibasis (Sergeeva 1963)
　　　　　Trigonodus brevibasis (Sergeeva 1963) Nieper ex Hill, Playford & Woods 1969
　^*1963『Конодонты из нижнего ордовика Ленинградской области：Серафима Павловна Сергеева』。
　^*1969『Ordovician and Silurian Fossils of Queensland：Dorothy Hill, Geoffrey Playford & Jack Tunstall Woods』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*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』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。

◆トリアングロドゥス・カングサネンシス (絶滅)
　^†Triangulodus changshanensis Zhang ex An, Zhang, Xiang, Zhang, Xu, Zhang, Jiang, Yang, Lin, Cui & Yang 1983
　^*1983『華北及隣区牙形石：安泰庠／張放／向維達／張又秋／徐文豪／張慧娟／姜�ｺ標／楊長生／蘭連弟／崔占堂／楊新昌』。

◆トリアングロドゥス・ドゥモゴレンシス (絶滅)
　^†Triangulodus dumugolensis Seo, Lee & Ethington 1994
　^*1994『Early Ordovician Conodonts from the Dumugol Formation in the Baegunsan Syncline, Eastern Yeongweol and Samcheog Areas, Kangweon-Do, Korea：Kwang-Soo Seo, Ha-Young Lee & Raymond L.Ethington』。

◆トリアングロドゥス・ララピンティネンシス (絶滅)
　^†Triangulodus larapintinensis (Crespin 1943)
　　　syn.Oistodus larapintinensis Crespin 1943
　　　　　Trigonodus larapintinensis (Crespin 1943)
　　　　　Trigonodus triangularius Nieper ex Hill, Playford & Woods 1969
　^*1943『Conodonts from the Waterhouse Range, Central Australia：Irene Crespin』。
　^*1969『Ordovician and Silurian Fossils of Queensland：Dorothy Hill, Geoffrey Playford & Jack Tunstall Woods』。
　^*1981『Early Ordovician Conodonts from the Horn Valley Siltstone, Central Australia：Barry John Cooper』。
　^*1993『Conodonts from the Lower Ordovician Coolibah Formation, Georgina Basin, Central Australia：Kathleen Anne Stait & Edric Charles Druce』。
　^*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』。
　^*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』。

◆トリアングロドゥス・マオカオプス (絶滅)
　^†Triangulodus maocaopus Zhang 1998
　^*1998『Conodonts from the Guniutan Formation, Llanvirnian in Hubei and Hunan Provinces, South-Central China：Jian-Hua Zhang』。

◆トリアングロドゥス・ミタケンシス (絶滅)
　^†Triangulodus mithakensis Kuhn & Barnes 2005
　^*2005『Ordovician Conodonts from the Mithaka Formation, Georgina Basin, Australia, Regional and Paleobiogeographical Implications：Tyler S.Kuhn & Christopher Richard Barnes』。

◆トリアングロドゥス・プロテウス (絶滅)
　^†Triangulodus proteus An, Du, Gao, Chen & Li 1981
　^*1981『湖北宜昌黄花場地区奥陶系牙形石生物地層：安泰庠／杜国清／高琴琴／陳欽保／李偉同』。
　^*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』。

◆トリアングロドゥス・スブティリス (絶滅)
　^†Triangulodus subtilis van Wamel 1974
　^*1974『Conodont Biostratigraphy of the Upper Cambrian and Lower Ordovician of North-Western and South-Eastern Sweden：Willem Anton van Wamel』。

◆トリアングロドゥス・ウォルコウェンシス (絶滅)
　^†Triangulodus volchovensis (Sergeeva 1963)
　　　syn.Paltodus volchovensis Sergeeva 1963
　^*1963『Конодонты из нижнего ордовика Ленинградской области：Серафима Павловна Сергеева』。
　^*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 and South-Eastern Sweden：Willem Anton van Wamel』。

◆トリアングロドゥス・ジイイ (絶滅)
　^†Triangulodus zhiyii Zhen ex Zhen, Percival & Liu 2006
　^*2006『Early Ordovician Triangulodus [Conodonta] from the Honghuayuan Formation of Guizhou, South China：Yong-Yi Zhen, Ian G.Percival & Jian-Bo Liu』。
　^*2011『Cambrian and Ordovician Stratigraphy and Biostratigraphy of the Arafura Basin, Offshore Northern Territory：Yong-Yi Zhen, John R.Laurie & Robert S.Nicoll』。

---

Genus Tripodus^♂ BRADSHAW 1969　トリポドゥス属 (絶滅)
　　　※≠Genus Tropodus^♂ KENNEDY 1980。１字違い。↓

◆トリポドゥス・コムブシ (絶滅)
　^†Tripodus combsi (Bradshaw 1969)
　　　syn.Acodus combsi Bradshaw 1969
　　　　　Scolopodus alatus Bradshaw 1969
　　　　　Tripodus laevis Bradshaw 1969
　^*1969『Conodonts from the Fort Peña Formation, Middle Ordovician, Marathon Basin, Texas：Lael Ely Bradshaw』。
　^*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 Neufoundland：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』。
　^*1994『Conodont Biofacies of Lower to Lower Middle Ordovician Megaconglomerates, Cow Head Group, Western Newfoundland：Susanne Margarete Luise Pohler』。
　^*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』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-central Oklahoma：Jeffrey A.Bauer』。

---

Genus Tropodus^♂ KENNEDY 1980　トロポドゥス属 (絶滅)
　　　※＋Genus Chionoconus^♂ SMITH 1991 (Type species : Paltodus comptus Branson & Mehl 1933)。
　　　※≠Genus Tripodus^♂ BRADSHAW 1969。１字違い。↑

◆トロポドゥス・アウストラリス (絶滅)
　^†Tropodus australis (Serpagli 1974)
　　　syn.Walliserodus australis Serpagli 1974
　　　　　Wallisoderus australis Landing 1976　※スペルミス。
　^*1974『Lower Ordovician Conodonts from Precordilleran Argentina, Province of San Juan：Enrico Serpagli』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*1980『Eine Erneute Untersuchung der von Branson und Mehl 1933, Beschriebenen Conodonten aus der Jefferson City Formation, Unteres Ordovizium, Missouri：David J.Kennedy』。
　^*1985『Ibexian-Whiterockian, Ordovician Conodont Palaeontology of East and Eastern North Greenland：Michael Paul Smith』。
　^*1986『Early Ordovician, Arenig Conodonts from Saint Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland：David Ian Johnston』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*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』。
　^*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』。

◆トロポドゥス・アウァングス (絶滅)
　^†Tropodus avangus (Smith 1991)
　　　syn.Chionoconus avangus Smith 1991
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。

◆トロポドゥス・コムプトゥス (絶滅)
　^†Tropodus comptus (Branson & Mehl 1933)
　　　syn.Acodus comptus (Branson & Mehl 1933)
　　　　　Chionoconus comptus (Branson & Mehl 1933)
　　　　　Distacodus comptus (Branson & Mehl 1933)
　　　　　Paltodus comptus Branson & Mehl 1933
　^*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』。
　^*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』。
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。
　^*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』。

◆トロポドゥス・ロブストゥス (絶滅)
　^†Tropodus robustus (Serpagli 1974)
　　　syn.Acodus robustus (Serpagli 1974)
　　　　　Chionoconus robustus (Serpagli 1974)
　　　　　Scandodus robustus Serpagli 1974 non Rhodes 1953
　^*1974『Lower Ordovician Conodonts from Precordilleran Argentina, Province of San Juan：Enrico Serpagli』。
　^*1986『Early Ordovician, Arenig Conodonts from Saint Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland：David Ian Johnston』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。

◆トロポドゥス・スウェエティ (絶滅)
　^†Tropodus sweeti (Serpagli 1974)
　　　　syn.Acodus sweeti (Serpagli 1974)
　　　　　　Paltodus sweeti Serpagli 1974
　^*1974『Lower Ordovician Conodonts from Precordilleran Argentina, Province of San Juan：Enrico Serpagli』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。
　^*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』。
　^*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 2：Robin Crawford Cantrill』。

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