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）【オイストドゥス科】。



Family OISTODONTIDAE LINDSTRÖM 1970　オイストドゥス科
Conodonts (コノドント類)
Oistodontids (オイストドゥス科魚種)


Genus Graciloconus^♂ PYLE 2000　グラキロコヌス属 (絶滅)

◆グラキロコヌス・コンキンヌス (絶滅)
　^†Graciloconus concinnus 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』。

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Genus Histiodella^♀ HARRIS 1962　ヒスティオデルラ属 (絶滅)
　オルドビス紀。

◆ヒスティオデルラ・アルティフロンス (絶滅)
　^†Histiodella altifrons Harris 1962
　^*1962『New Conodonts from the Joins, Ordovician Formation of Oklahoma：Reginald Wilson Harris』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-Central Oklahoma：Jeffrey A.Bauer』。

◆ヒスティオデルラ・ベルルブルネンシス (絶滅)
　^†Histiodella 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』。

◆ヒスティオデルラ・ドンナエ (絶滅)
　^†Histiodella donnae Repetski 1982
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*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』。

◆ヒスティオデルラ・ホロデンタタ (絶滅)
　^†Histiodella holodentata Ethington & Clark 1982
　　　syn.Histiodella infrequensa An ex An, Zhang, Xiang, Zhang, Xu, Zhang, Jiang, Yang, Lin, Cui & Yang 1983
　^*1982『Lower and Middle Ordovician Conodonts from the Ibex Area, Western Millard County, Utah：Raymond Lindsay Ethington & David Leigh Clark』。
　^*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』。
　^*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』。
　^*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』。
　^*2010『Darriwilian Species of Histiodella [Conodonta] in the Argentine Precordillera：Ana Mestre & Susana Heredia』。
　^*2011『Middle to Late Ordovician, Darriwilian-Sandbian Conodonts from the Dawangou Section, Kalpin Area of the Tarim Basin, North-Western China：』。
　^*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』。
　^*2012『Middle Ordovician, Late Dapingian-Darriwilian Conodonts from the Cow Head Group and Lower Head Formation, Western Newfoundland, Canada：Svend Josef Høegh Sandbergh Stouge』。
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

◆ヒスティオデルラ・インテルテキスタ (絶滅)
　^†Histiodella intertexta An ex An, Du, Gao, Chen & Li 1981
　^*1981『湖北宜昌黄花揚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』。

◆ヒスティオデルラ・クリスティナエ (絶滅)
　^†Histiodella kristina Stouge 1980
　　　syn.Histiodella kristinae Stouge 1984
　^*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』。
　^*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』。
　^*2010『Darriwilian Species of Histiodella [Conodonta] in the Argentine Precordillera：Ana Mestre & Susana Heredia』。
　^*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』。
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

◆ヒスティオデルラ・ラビオサ (絶滅)
　^†Histiodella labiosa Bauer 2010
　　　syn.Histiodella n.sp. Bauer 1989
　　　　　Histiodella n.sp.2 Harris, Bergström, Ethington & Ross 1979
　^*1979『Aspects of Middle and Upper Ordovician Conodont Biostratigraphy of Carbonate Facies in Nevada and South-East California and Comparison with Some Appalachian Successions：Anita G.Harris, Stig Magnus Bergström, Raymond Lindsay Ethington & Reuben James Ross Jr.』。
　^*1989『Conodont Biostratigraphy and Paleoecology of Middle Ordovician Rocks in Eastern Oklahoma：Jeffrey A.Bauer』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-central Oklahoma：Jeffrey A.Bauer』。

◆ヒスティオデルラ・レウィス (絶滅)
　^†Histiodella levis Tolmacheva 2014
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

◆ヒスティオデルラ・ミアオポエンシス (絶滅)
　^†Histiodella miaopoensis An, Du, Gao, Chen & Li 1981
　^*1981『湖北宜昌黄花揚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』。

◆ヒスティオデルラ・ミヌティセルラタ (絶滅)
　^†Histiodella minutiserrata Mound 1965
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1982『Ontogeny, Phylogeny, and Apparatus Reconstruction of the Conodont Genus Histiodella, Joins Formation, Arbuckle Mountains, Oklahoma：Timothy R.McHargue』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-central Oklahoma：Jeffrey A.Bauer』。

◆ヒスティオデルラ・セルラタ (絶滅)
　^†Histiodella serrata Harris 1962
　^*1962『New Conodonts from the Joins, Ordovician Formation of Oklahoma：Reginald Wilson Harris』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-Central Oklahoma：Jeffrey A.Bauer』。

◆ヒスティオデルラ・シヌオサ (絶滅)
　^†Histiodella sinuosa (Graves ex Graves & Ellison 1941)
　　　syn.Bryantodina sinuosa Graves ex Graves & Ellison 1941
　^*1941『Ordovician Conodonts of the Marathon Basin, Texas：Roy William Graves Jr. & Samuel Porter Ellison』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1973『Lower and Middle Ordovician Conodonts from the Mystic Formation, Quebec, Canada：Christopher Richard Barnes & M.L.Silvana Poplawski』。
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

◆ヒスティオデルラ・タブレヘアデンシス (絶滅)
　^†Histiodella tableheadensis 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』。

◆ヒスティオデルラ・トリロバタ (絶滅)
　^†Histiodella trilobata Protasevich 1989
　^*1989『Новые Ордовикские конодонты Московской синеклизы：Д.Л.Протасевич』。

◆ヒスティオデルラ・トリクエトラ (絶滅)
　^†Histiodella triquetra Mound 1965
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。

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Genus Jumudontus^♂ COOPER 1981　ユムドントゥス属 (絶滅)

◆ユムドントゥス・ブレウィス (絶滅)
　^†Jumudontus brevis Nicoll 1992
　^*1981『Analysis of Conodont Apparatus Organisation and the Genus Jumudontus [Conodonta], a Coniform-Pectiniform Apparatus Structure from the Early Ordovician：Robert S.Nicoll』。

◆ユムドントゥス・ガナンドゥス (絶滅)
　^†Jumudontus ganandus Cooper 1981
　^*1981『Early Ordovician Conodonts from the Horn Valley Siltstone, Central Australia：Barry John Cooper』。
　^*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』。
　^*1992『Analysis of Conodont Apparatus Organisation and the Genus Jumudontus [Conodonta], a Coniform-Pectiniform Apparatus Structure from the Early Ordovician：Robert S.Nicoll』。
　^*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』。
　^*2003『Early Ordovician Conodonts from Far Western New South Wales, Australia：Yong-Yi Zhen, Ian G.Percival & Barry Deane Webby』。

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Genus Loxognathodus^♂ JI 1989　ロキソグナトドゥス属 (絶滅)

◆ロキソグナトドゥス・フィルロドゥス (絶滅)
　^†Loxognathodus phyllodus Ji 1989
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。

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Genus Loxodentatus^♂ JI 1989　ロキソデンタトゥス属 (絶滅)

◆ロキソデンタトゥス・ビピンナトゥス (絶滅)
　^†Loxodentatus bipinnatus Ji 1989
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。

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Genus Oistodus^♂ PANDER 1856 emend. VAN WAMEL 1974　オイストドゥス属 (絶滅)
　オルドビス紀（前期＋中期＋後期）。

◆オイストドゥス・アブンダンス (絶滅)
　^†Oistodus abundans Branson & Mehl 1933
　^*1933『Conodont Studies 2, Conodonts from the Joachim, Middle Ordovician of Missouri (p77-167)：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。
　^*1967『Micropaleontology of the Fernvale Formation of Tennessee and Oklahoma：Kenneth Vernon Bordeau』。
　^*1969『Konodonty Ordowickie z Otworu Ketrzyn：Marla Nehring』。

◆オイストドゥス・"アクミナトゥス" (絶滅)
　^†'Oistodus acuminatus Stauffer 1935' non Pander 1856
　^*1935『Conodonts of the Glenwood Beds：Clinton Raymond Stauffer』。
　要種小名変更。

◆オイストドゥス・アクパトケンシス (絶滅)
　^†Oistodus akpatokensis Workum, Bolton & Barnes 1975
　^*1975『Ordovician Geology of Akpatok Island, Ungava Bay, District of Franklin：Robert H.Workum, Thomas E.Bolton & Christopher Richard Barnes』。

◆オイストドゥス・アメリカヌス (絶滅)
　^†Oistodus americanus (Serpagli 1974)
　　　syn.Scandodus americanus Serpagli 1974
　^*1974『Lower Ordovician Conodonts from Precordilleran Argentina of San Juan：Enrico Serpagli』。
　^*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 2：Robin Crawford Cantrill』。

◆オイストドゥス・ベロディフォルミス (絶滅)
　^†Oistodus belodiformis Warris 1967
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。

◆オイストドゥス・ブレウィコルヌス (絶滅)
　^†Oistodus breviconus Branson & Mehl 1933
　^*1933『Conodonts from the Plattin, Middle Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1966『The Middle Ordovician of the Oslo Region, Norway 22, Preliminary Report on Conodonts from the Oslo-Asker and Ringerike Districts：György Hamar』。

◆オイストドゥス・ブレウィス (絶滅)
　^†Oistodus brevis Stauffer 1935
　^*1935『Conodonts of the Glenwood Beds：Clinton Raymond Stauffer』。

◆オイストドゥス・コントラクトゥス (絶滅)
　^†Oistodus contractus Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordovician Strata of South-Central Sweden：Maurits Lindström』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。
　^*1969『Konodonty Ordowickie z Otworu Ketrzyn：Marla Nehring』。
　^*1973『Lower and Middle Ordovician Conodonts from the Mystic Formation, Quebec, Canada：Christopher Richard Barnes & M.L.Silvana Poplawski』。

◆オイストドゥス・クリスタトゥス (絶滅)
　^†Oistodus cristatus Ethington & Clark 1982
　^*1982『Lower and Middle Ordovician Conodonts from the Ibex Area, Western Millard County, Utah：Raymond Lindsay Ethington & David Leigh Clark』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-Central Oklahoma：Jeffrey A.Bauer』。

◆オイストドゥス・エクティフス (絶滅)
　^†Oistodus ectyphus Smith 1991　※＝eutyphus。
　^*1991『Early Ordovician Conodonts of East and North Greenland：Michael Paul Smith』。

◆オイストドゥス・エキスパンスス (絶滅)
　^†Oistodus expansus Branson & Mehl 1933
　^*1933『Conodonts from the Jefferson City, Lower Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1977『The Stratigraphy and Conodont Biostratigraphy of the Montoya Group, Middle-Upper Ordovician in South-Eastern Arizona：Beth Jana Carroll』。

◆オイストドゥス・エキスケルスス (絶滅)
　^†Oistodus excelsus Stauffer 1935
　^*1935『The Conodont Fauna of Decorah Shale, Ordovician：Clinton Raymond Stauffer』。
　^*1961『Konodonty z Ordowickich Głazőw Narzutowych Polski：Zdzisława Wolska』。
　^*1966『The Middle Ordovician of the Oslo Region, Norway 22, Preliminary Report on Conodonts from the Oslo-Asker and Ringerike Districts：György Hamar』。
　^*1977『Биостратиграфия и фауна верхнего кембрия и пограничных с ним слоев：Инесса Тихоновна Журавлева & Антонина Викторовна Розова』。

◆オイストドゥス・フニッケニ (絶滅)
　^†Oistodus hunickeni Serpagli 1974
　^*1974『Lower Ordovician Conodonts from Precordilleran Argentina, Province of San Juan：Enrico Serpagli』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2：Robin Crawford Cantrill』。

◆オイストドゥス・フミリス (絶滅)
　^†Oistodus humilis Stauffer 1938
　^*1938『Conodonts of the Olentangy Shale：Clinton Raymond Stauffer』。

◆オイストドゥス・ギガンテウス (絶滅)
　^†Oistodus giganteus Stauffer 1935
　^*1935『The Conodont Fauna of the Decorah Shale, Ordovician：Clinton Raymond Stauffer』。

◆オイストドゥス・グラキリス (絶滅)
　^†Oistodus gracilis Branson & Mehl 1933 non Lindström 1955
　^*1933『Conodonts from the Jefferson City, Lower Ordovician of Missouri：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1977『The Stratigraphy and Conodont Biostratigraphy of the Montoya Group, Middle-Upper Ordovician in South-Eastern Arizona：Beth Jana Carroll』。
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 1：Robin Crawford Cantrill』。

◆オイストドゥス・インクリナトゥス (絶滅)
　^†Oistodus inclinatus Branson & Mehl 1933
　^*1933『Conodont Studies 2, Conodonts from the Joachim, Middle Ordovician of Missouri (p77-167)：Edward Bayer Branson & Maurice Goldsmith Mehl』。
　^*1961『Konodonty z Ordowickich Głazőw Narzutowych Polski：Zdzisława Wolska』。
　^*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』。

◆オイストドゥス・キティエンシス (絶滅)
　^†Oistodus khitiensis Jakovlev ex Chugaeva, Ivanova, Oradovskaya & Yakovlev 1973
　^*1973『Биостратиграфия нижней части ордовика Северо-Востока СССР и биогеография конца раннего ордовика：Мария Николаевна Чугаева, В.А.Иванова, М.М.Орадовская & В.Н.Яковлев』。


◆オイストドゥス・ランケオラトゥス (絶滅)
　^†Oistodus lanceolatus Pander 1856 emend. van Wamel 1974
　　　syn.Acodus lanceolatus (Pander 1856) Ji 1989
　　　　　Oistodus deltus Lindström 1955
　^*1856『Monographie der Fossilen Fische des Silurischen Systems der Russisch-Baltischen Gouvernements：Christian Heinrich Pander』。
　^*1955『Conodonts from the Lower-Most Ordovician Strata of South-Central Sweden：Maurits Lindström』。
　^*1958『A Key to Conodont Genera and Sub-Genera：Robert Oran Fay』。
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。
　^*1969『Konodonty Ordowickie z Otworu Ketrzyn：Marla Nehring』。
　^*1970-1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*1971『Cambro-Ordovician Conodonts from the Burke River Structural Belt, Queensland：Edric Charles Druce & Peter John Jones』。
　^*1973『Conodonts from the Cow Head Group, Western Newfoundland：Godfrey S.Nowlan』。
　^*1973『Lower and Middle Ordovician Conodonts from the Mystic Formation, Quebec, Canada：Christopher Richard Barnes & M.L.Silvana Poplawski』。
　^*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』。
　^*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』。
　^*1998『Lower Ordovician Conodonts from Köpings Klint, Central Öland, and the Feeding Apparatuses of Oistodus lanceolatus Pander and Acodus deltatus Lindström：Jonas B.Ahnesjö』。
　^*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』。

◆オイストドゥス・レケグイルレンシス (絶滅)
　^†Oistodus lecheguillensis Repetski 1982
　^*1982『Conodonts from El Paso Group, Lower Ordovician of Westernmost Texas and Southern New Mexico：John E.Repetski』。

◆オイストドゥス・ロンギバシス (絶滅)
　^†Oistodus longibasis Jakovlev ex Chugaeva, Ivanova, Oradovskaya & Yakovlev 1973
　^*1973『Биостратиграфия нижней части ордовика Северо-Востока СССР и биогеография конца раннего ордовика：Мария Николаевна Чугаева, В.А.Иванова, М.М.Орадовская & В.Н.Яковлев』。

◆オイストドゥス・ロンギラミス (絶滅)
　^†Oistodus longiramis Lindström 1955
　^*1955『Conodonts from the Lower-Most Ordovician Strata of South-Central Sweden：Maurits Lindström』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician, Oklahoma：Michael C.Mound』。
　^*1975『Lower Ordovician Sequence and Conodonts, Mount Patriarch, North-West Nelson, New Zealand：Roger A.Cooper & Edric Charles Durce』。

◆オイストドゥス・メーリ (絶滅)
　^†Oistodus mehli Furnish 1938
　^*1938『Conodonts from the Prairie du Chien, Lower Ordovician Beds of the Upper Mississippi Valley：William Madison Furnish』。

◆オイストドゥス・ミノル (絶滅)
　^†Oistodus minor Jakovlev ex Chugaeva, Ivanova, Oradovskaya & Yakovlev 1973
　^*1973『Биостратиграфия нижней части ордовика Северо-Востока СССР и биогеография конца раннего ордовика：Мария Николаевна Чугаева, В.А.Иванова, М.М.Орадовская & В.Н.Яковлев』。

◆オイストドゥス・ムルティコルルガトゥス (絶滅)
　^†Oistodus multicorrugatus Harris 1962
　　　syn.Oistodus pseudomulticorrugatus Mound 1965
　　　　　Oistodus scalenocarinatus Mound 1965
　^*1962『New Conodonts from the Joins, Ordovician Formation of Oklahoma：Reginald Wilson Harris』。
　^*1965『A Conodont Fauna from the Joins Formation, Ordovician Oklahoma：Michael C.Mound』。
　^*1970『Conodonts from the Lévis Formation, Zone D1, Middle Ordovician, Lévis, Quebec：Thomas T.Uyeno & Christopher Richard Barnes』。
　^*1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin：Christopher Richard Barnes』。
　^*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』。
　^*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』。
　^*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』。
　^*2010『Conodonts and Conodont Biostratigraphy of the Joins and Oil Creek Formations, Arbuckle Mountains, South-Central Oklahoma：Jeffrey A.Bauer』。

◆オイストドゥス・ペタロイデウス (絶滅)
　^†Oistodus petaloideus Moskalenko ex Kanygin, Moskalenko, Yadrenkina & Semenova 1977
　^*1977『О стратиграфическом расчленении и корреляции среднего ордовика Сибирской платформы：Александр Васильевич Каныгин, Тамара Александровна Москаленко, Анастасии Геннадьевны Ядренкина & В.С.Семенова』。
　^*1982『Конодонты in Ордовик Сибирской платформы, Опорный разрез на р.Кулюмбе：Тамара Александровна Москаленко』。

◆オイストドゥス・プセウドアブンダンス (絶滅)
　^†Oistodus pseudoabundans Schopf 1964
　^*1964『Conodonts of the Trenton Group, Ordovician in New York, Southern Ontario and Quebec：Thomas Joseph Morton Schopf』。

◆オイストドゥス・プセウドデルトゥス (絶滅)
　^†Oistodus pseudodeltus Warris 1967
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。

◆オイストドゥス・スティルルス (絶滅)
　^†Oistodus stillus Warris 1967
　^*1967『The Palaeozoic Stratigraphy and Palaeontology of North-Western New South Wales：Bevan Jon Warris』。

◆オイストドゥス・タブレポインテンシス (絶滅)
　^†Oistodus 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 Neufoundland：Svend Josef Høegh Sandbergh Stouge』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。

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Genus Rossodus^♂ REPETSKI & ETHINGTON 1983 emend. JI 1994　ロッソドゥス属 (絶滅)

◆ロッソドゥス・ボオティアエンシス (絶滅)
　^†Rossodus boothiaensis Zhang 2020
　^*2020『Upper Cambrian and Lower Ordovician Conodont Biostratigraphy and Revised Lithostratigraphy, Boothia Peninsula, Nunavut：Shun-Xin Zhang』。

◆ロッソドゥス・ヒグガテンシス (絶滅)
　^†Rossodus highgatensis Landing 1986
　^*1986『Tempo of earliest Ordovician Graptolite Faunal Succession, Conodont-Based Correlations from the Tremadociaa of Quebec：Ed Landing』。
　^*1989『Upper Canadian to Whiterockian, Ordovician in Saint John's Conodont Biostratigraphy of the Upper Saint George Group, Western Newfoundland：Kathleen Anne Stait』。

◆ロッソドゥス・クワダカエンシス (絶滅)
　^†Rossodus kwadachaensis 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』。

◆ロッソドゥス・マニトウエンシス (絶滅)
　^†Rossodus manitouensis Repetski & Ethington 1983　※＝manitousensis。
　^*1983『Rossodus manitouensis [Conodonta], a New Early Ordovician Index Fossil：John E.Repetski & Raymond Lindsay Ethington』。
　^*1986『Tempo of Earliest Ordovician Graptolite Faunal Succession, Conodont-Based Correlations from the Tremadociaa of Quebec：Ed Landing』。
　^*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』。
　^*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』。
　^*1994『Lower Ordovician Conodonts of the Saint George Group, Port au Port Peninsula, Westem Newfoundland, Canada：Zai-Lian Ji』。
　^*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』。
　^*2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2：Robin Crawford Cantrill』。
　^*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』。
　^*2008『Early Ordovician Conodonts from Tarutao Island, Southern Peninsular Thailand：Sachiko Agematsu, Katsuo Sashida, Sirot Salyapongse & Apsorn Sardsud』。

◆ロッソドゥス・ムスクワエンシス (絶滅)
　^†Rossodus muskwaensis 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』。

◆ロッソドゥス・セッフィエルデンシス (絶滅)
　^†Rossodus sheffieldensis 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』。

◆ロッソドゥス・シムメトリクス (絶滅)
　^†Rossodus symmetricus 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』。

◆ロッソドゥス・スブティリス (絶滅)
　^†Rossodus subtilis 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』。

◆ロッソドゥス・テヌイス (絶滅)
　^†Rossodus tenuis (Miller 1980)
　　　syn.Utahconus tenuis Miller 1980
　^*1980『Taxonomic Revisions of Some Upper Cambrian and Lower Ordovician Conodonts with Comments on Their Evolution：James Frederick Miller』。
　^*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』。
　^*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』。

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Genus Tricostatus^♂ JI 1989　トリコスタトゥス属 (絶滅)

◆トリコスタトゥス・グリプトゥス (絶滅)
　^†Tricostatus glyptus Ji 1989
　^*1989『Lower Ordovician Conodonts from the Saint George Group of Port au Port Peninsula, Western Newfoundland：Zai-Liang Ji』。

◆トリコスタトゥス・インフンディブルス (絶滅)
　^†Tricostatus infundibulus Pyle 1994
　^*1994『Stratigraphy, Conodont Taxonomy and Biostratigraphy of Upper Cambrian to Lower Silurian Platform to Basin Facies, Noethern British Columbia：Leanne J.Pyle』。
　^*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』。

◆トリコスタトゥス・テリリングイス (絶滅)
　^†Tricostatus terilinguis 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』。

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