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【ペリオドン科】。



Family PERIODONTIDAE LINDSTRÖM 1970　ペリオドン科
Conodonts (コノドント類)
Periodontids (ペリオドン科魚種)


Genus Condorodus^♂ CARLOROSI, MESTRE & HEREDIA 2022　コンドロドゥス属 (絶滅)

◆コンドロドゥス・キルカエンシス (絶滅)
　^†Condorodus chilcaensis Carlorosi, Mestre & Heredia 2022
　^*2022『Condorodus n.gen., a New Ordovician Conodont Genus from Argentina, Origin, Evolution and Dispersal Through the Western Margin of Gondwana：Josefina María Teresa Carlorosi, Ana Isabel Mestre & Susana Emma Heredia』。

◆コンドロドゥス・ディアブレンシス (絶滅)
　^†Condorodus diablensis Carlorosi, Mestre & Heredia 2022
　^*2022『Condorodus n.gen., a New Ordovician Conodont Genus from Argentina, Origin, Evolution and Dispersal Through the Western Margin of Gondwana：Josefina María Teresa Carlorosi, Ana Isabel Mestre & Susana Emma Heredia』。

◆コンドロドゥス・グラキエラエ (絶滅)
　^†Condorodus gracielae Carlorosi, Mestre & Heredia 2022
　^*2022『Condorodus n.gen., a New Ordovician Conodont Genus from Argentina, Origin, Evolution and Dispersal Through the Western Margin of Gondwana：Josefina María Teresa Carlorosi, Ana Isabel Mestre & Susana Emma Heredia』。

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Genus Microzarkodina^♀ LINDSTRÖM 1971　ミクロザルコディナ属 (絶滅)

◆ミクロザルコディナ・ベルラ (絶滅)
　^†Microzarkodina bella Löfgren 2000
　^*2000『Early to Early Middle Ordovician Conodont Biostratigraphy of the Gillberga Quarry, Northern Öland, Sweden：Anita Löfgren』。
　^*2008『Morphology, Evolution and Stratigraphic Distribution in the Middle Ordovician Conodont Genus Microzarkodina：Anita Löfgren & Tatiana Tolmacheva』。

◆ミクロザルコディナ・コルプレンタ (絶滅)
　^†Microzarkodina corpulenta Rasmussen 2001
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。

◆ミクロザルコディナ・フラベルラ (絶滅)
　^†Microzarkodina flabella (Lindström 1955) Lindström 1971
　　　syn.Cordylodus perlongus Lindström 1955
　　　　　Microzarkodina parva Lindström 1971
　　　　　　　※模式種、但し先に記載された Prioniodina flabella Lindström 1955 に統合。
　　　　　Oistodus complanatus (Lindström 1955)
　　　　　Oistodus linguatus var.complanatus Lindström 1955
　　　　　Oistodus selene Lindström 1955
　　　　　Periodon flabellus (Lindström 1955) Lindström 1971
　　　　　Prioniodina deflexa Lindström 1955
　　　　　Prioniodina flabella (Lindström 1955)
　　　　　Prioniodina inflata Lindström 1955 non Graves ex Graves & Ellison 1941
　　　　　Subcordylodus perlongus (Lindström 1955)
　　　　　Trichonodella alae Lindström 1955
　　　　　Trichonodella flabella Lindström 1955
　　　　　Trichonodella irregularis 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』。
　^*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』。
　^*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』。
　^*1989『Conodonts and Phosphatic Problematica from the Cambro-Ordovician Cooks Brook and Middle Arm Point Formations, Bay of Islands, Western Newfoundland：Kaustuv Roy』。
　^*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』。
　^*2008『Morphology, Evolution and Stratigraphic Distribution in the Middle Ordovician Conodont Genus Microzarkodina：Anita Löfgren & Tatiana Tolmacheva』。

◆ミクロザルコディナ・ハゲティアナ (絶滅)
　^†Microzarkodina hagetiana Stouge & Bagnoli 1990
　^*1990『Lower Ordovician, Volkhovian-Kundan Conodonts from Hagudden, Northern Öland, Sweden：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』。
　^*2008『Morphology, Evolution and Stratigraphic Distribution in the Middle Ordovician Conodont Genus Microzarkodina：Anita Löfgren & Tatiana Tolmacheva』。

◆ミクロザルコディナ・オザルコデルラ (絶滅)
　^†Microzarkodina ozarkodella Lindström 1971
　^*1971『Lower Ordovician Conodonts of Europe：Maurits Lindström』。
　^*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』。
　^*2008『Morphology, Evolution and Stratigraphic Distribution in the Middle Ordovician Conodont Genus Microzarkodina：Anita Löfgren & Tatiana Tolmacheva』。

◆ミクロザルコディナ・ルッシカ (絶滅)
　^†Microzarkodina russica Löfgren & Tolmacheva 2008
　^*2008『Morphology, Evolution and Stratigraphic Distribution in the Middle Ordovician Conodont Genus Microzarkodina：Anita Löfgren & Tatiana Tolmacheva』。

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Genus Periodon^♂ HADDING 1913 emend. BERGSTRÖM & SWEET 1966　ペリオドン属 (絶滅)
　オルドビス紀。

◆ペリオドン・アクレアトゥス (絶滅)
　^†Periodon aculeatus Hadding 1913
　　　syn.Eoligonodina magna Ethington 1959
　　　　　Ligonodina tortilis Sweet & Bergström 1962
　　　　　Oulodus tortilis (Sweet & Bergström 1962)
　^*1913『Undre Dicellograptusskiffern i Skåne Jämte Några Darmed Ekvivalenta Bildningar：Assar Hadding』。
　^*1958『A Key to Conodont Genera and Sub-Genera：Robert Oran Fay』。
　^*1959『Conodonts of the Ordovician Galena Formation：Raymond Lindsay Ethington』。
　^*1962『Conodonts from the Pratt Ferry Formation, Middle Ordovician of Alabama：Walter Clarence Sweet & Stig Magnus Bergström』。
　^*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』。
　^*1966『The Middle Ordovician of the Oslo Region, Norway 22, Preliminary Report on Conodonts from the Oslo-Asker and Ringerike Districts：György Hamar』。
　^*1970『Conodonts from the Lévis Formation, Zone D1, Middle Ordovician, Lévis, Quebec：Thomas T.Uyeno & Christopher Richard Barnes』。
　^*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』。
　^*1976『Early Ordovician, Arenigian Conodont and Graptolite Biostratigraphy of the Taconic Allochthon, Eastern New York：Ed Landing』。
　^*1978『Conodonts from the Cobbs Arm Formation, Middle Ordovician, North-Central Newfoundland：David Roy Hunter』。
　^*1986『Early Ordovician, Arenig Conodonts from Saint Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland：David Ian Johnston』。
　^*1994『Conodont Biofacies of Lower to Lower Middle Ordovician Megaconglomerates, Cow Head Group, Western Newfoundland：Susanne Margarete Luise Pohler』。
　^*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』。
　^*2004『Conodont Faunas from the Mid to Late Ordovician Boundary Interval of the Wahringa Limestone Member, Fairbridge Volcanics, Central New South Wales：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』。
　^*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』。
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。

◆ペリオドン・グラディシ (絶滅)
　^†Periodon gladysi Albanesi 1998
　^*1998『Taxonomia de Conodontes de las Secuencias Ordovicicas del Cerro Potrerillo, Precordillera Central de San Juan, Republica Argentina：Guillermo Luis Albanesi』。
　^*2009『La Subzona de Periodon gladysi [Conodonta] en el Ordovícico Medio de Precordillera, su Evaluación：Ana Mestre & Susana Heredia』。

◆ペリオドン・グランディス (絶滅)
　^†Periodon grandis (Ethington 1959)
　　　syn.Loxognathus grandis Ethington 1959
　^*1959『Conodonts of the Ordovician Galena Formation：Raymond Lindsay Ethington』。
　^*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 Ordovigian 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』。
　^*1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin：Christopher Richard Barnes』。
　^*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.』。
　^*1988『Conodont Biostratigraphy of the Middle and Upper Ordovician of the Central Basin, Tennessee：Yoo Bong Kim』。
　^*1994『Upper Ordovician Conodonts from the Malongulli Formation, Cliefden Caves Area, Central New South Wales：Julie Anne Trotter & Barry Deane Webby』。
　^*1996『Upper Ordovician Conodonts from Bornholm and Possible Migration Routes in the Palaeotethys Ocean：Svend Josef Høegh Sandbergh Stouge & Jan Audun Rasmussen』。
　^*1999『Evolutionary Palaeobiology of Deep-Water Conodonts：Caroline J.Smith』。
　^*1999『Upper Ordovician Conodonts from the Bowan Park Succession, Central New South Wales, Australia：Yong-Yi Zhen, Barry Deane Webby & Christopher Richard Barnes』。
　^*2007『New Data on Upper Ordovician Conodonts from the Trondheim Region,Central Norwegian Caledonides：Tatiana Yurievna Tolmacheva & David Roberts』。
　^*2014『Биостратиграфия и биогеография конодонтов ордовика, западной части Центрально-Азиатского складчатого пояса：Татьяна Юрьевна Толмачева』。
　^*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』。

◆ペリオドン・ハンケンシス (絶滅)
　^†Periodon hankensis Stouge 2012
　^*2012『Middle Ordovician, Late Dapingian-Darriwilian Conodonts from the Cow Head Group and Lower Head Formation, Western Newfoundland, Canada：Svend Josef Høegh Sandbergh Stouge』。

◆ペリオドン・マクロデンタトゥス (絶滅)
　^†Periodon macrodentatus (Graves ex Graves & Ellison 1941)
　　　syn.Ozarkodina macrodentata Graves ex Graves & Ellison 1941
　　　　　Prioniodina macrodentata (Graves ex Graves & Ellison 1941)
　^*1941『Ordovician Conodonts of the Marathon Basin, Texas：Roy William Graves Jr. & Samuel Porter Ellison』。
　^*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』。
　^*1970『Conodonts from the Lévis Formation, Zone D1, Middle Ordovician, Lévis, Quebec：Thomas T.Uyeno & Christopher Richard Barnes』。
　^*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』。 　^*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』。


◆ペリオドン・ミルニエンシス (絶滅)
　^†Periodon mirnyensis Zhang & Barnes 2007
　^*2007『Late Ordovician to Early Silurian Conodont Faunas from the Kolyma Terrane, Omulev Mountains, North-East Russia, and Their Paleobiogeographic Affinity：Shun-Xin Zhang & Christopher Richard Barnes』。

◆ペリオドン・セレノプシス (絶滅)
　^†Periodon selenopsis (Serpagli 1974)
　　　syn.Oistodus selenopsis Serpagli 1974
　^*1974『Lower Ordovician Conodonts from Precordilleran Argentina, Province of San Juan：Enrico Serpagli』。
　^*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』。

◆ペリオドン・シビリクス (絶滅)
　^†Periodon sibiricus 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』。

◆ペリオドン・ウンドスス (絶滅)
　^†Periodon undosus Viĭra 1974
　^*1974『Конодонты ордовика Прибалтики 1：Вийве Яановна Вийра』。

◆ペリオドン・ズギエルゼンシス (絶滅)
　^†Periodon zgierzensis (Dzik 1976)
　　　syn.Periodon aculeatus zgierzensis Dzik 1976
　^*1976『Remarks on the Evolution of the Ordovician Conodonts：Jerzy Dzik』。
　^*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』。
　^*2001『Conodont Biostratigraphy and Taxonomy of the Ordovician Shelf Margin Deposits in the Scandinavian Caledonides：Jan Audun Rasmussen』。
　^*2015『Ordovician, Middle Darriwilian-Earliest Sandbian Conodonts from the Wuhai area of Inner Mongolia, North China：Xiu-Chun Jing, Hong-Rui Zhou & Xun-Lian Wang』。
　^*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』。

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