Dapsilodontidae、おさかなマガジン 分類トップ

*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【ダプシロドゥス科】。



Family DAPSILODONTIDAE SWEET 1988 ダプシロドゥス科
Conodonts (コノドント類)
Dapsilodontids (ダプシロドゥス科魚種)


Genus Besselodus ALDRIDGE 1982 ベッセロドゥス属 (絶滅)

◆ベッセロドゥス・アルクティクス (絶滅)
 Besselodus arcticus Aldridge 1982
 *1982『A Fused Cluster of Coniform Conodont Elements from the Late Ordovician of Washington Land, Western North Greenland:Richard John Aldridge』。
 *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』。

◆ベッセロドゥス・ボレアリス (絶滅)
 Besselodus borealis Nowlan & McCracken ex Nowlan, McCracken & Chatterton 1988
 *1988『Conodonts from Ordovician-Silurian Boundary Strata, Whittaker Formation, Mackenzie Mountains, North-West Territories:Godfrey S.Nowlan, Alexander Duncan McCracken & Brian Douglas Eyre Chatterton』。

◆ベッセロドゥス・フスス (絶滅)
 Besselodus fusus Zhen, Percival & Molloy 2015
 *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』。

◆ベッセロドゥス・ウァリアビリス (絶滅)
 Besselodus variabilis (Webers 1966)
   syn.Dapsilodus variabilis (Webers 1966)
     Distacodus variabilis Webers 1966
 *1966『The Middle and Upper Ordovician Conodont Faunas of Minnesota:Gerald Frank Webers』。
 *1987『Conodonts and Conodont Biostratigraphy of the McLish and Tulip Creek Formations, Middle Ordovician of South-Central Oklahoma:Jeffrey A.Bauer』。



Genus Chenodontos WANG & ALDRIDGE 2010 ケノドントゥス属 (絶滅)

◆ケノドントゥス・マクロス (絶滅)
 Chenodontos makros Wang & Aldridge 2010
 *2010『Silurian Conodonts from the Yangtze Platform, South China:Cheng-Yuan Wang & Richard John Aldridge』。



Genus Dapsilodus COOPER 1975 ダプシロドゥス属 (絶滅)

◆ダプシロドゥス・カタイエンシス (絶滅)
 Distomodus cathayensis Wang & Aldridge 2010
 *2010『Silurian Conodonts from the Yangtze Platform, South China:Cheng-Yuan Wang & Richard John Aldridge』。

◆ダプシロドゥス・ハマリ (絶滅)
 Dapsilodus hamari Šileikytė & Brazauskas 2008
 *2008『Conodont Assemblages of the Gėluva, Lower Silurian Regional Stage of Lithuania:Auksė Šileikytė & Antanas Brazauskas』。
 ブランソン及びメールの記載とあるが、他に全く見当たらない。スペルミスの可能性大。

◆ダプシロドゥス・ムタトゥス (絶滅)
 Dapsilodus mutatus (Branson & Mehl 1933)
   syn.Acodus inomatus Ethington 1959
     Acodus jejatus Hamar 1966
     Acodus mutatus (Branson & Mehl 1933)
     Acodus viruensis Fåhræus 1966
     Acontiodus sulcatus Fåhræus 1966 non Lindström 1955
     Acontiodus viruensis (Fåhræus 1966)
     Belodus mutatus Branson & Mehl 1933
     Dapsilodus procerus (Ethington 1959)
     Dapsilodus viruensis (Fåhræus 1966)
     Distacodus bygdoyensis Hamar 1966
     Distacodus procerus Ethington 1959
     Panderodus mutatus (Branson & Mehl 1933)
     Paroistodus mutatus (Branson & Mehl 1933) ※=Panderodus (Dapsilodus) mutatus (Branson & Mehl 1933)。
 *1933『Conodont Studies 2, Conodonts from the Joachim, Middle Ordovician of Missouri (p77-167):Edward Bayer Branson & Maurice Goldsmith Mehl』。
 *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『Conodonts from the Lexington Limestone, Middle Ordovician of Kentucky, and Its Lateral Equivalents in Ohio and Indiana:Stig Magnus Bergstrom & Walter Clarence Sweet』。
 *1966『Lower Viruan, Middle Ordovician Conodonts from the Gullhögen Quarry, Southern Central Sweden:Lars E.Fåhræus』。
 *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』。
 *1972『Ludlovian and Gedinnian Conodont Stratigraphy of the Yass Basin, New South Wales:A.G.Link & Edric Charles Druce』。
 *1974『Conodonts of the Hull Formation, Ottawa Group, Middle Ordovician of the Ottawa-Hull Area, Ontario and Quebec:Thomas T.Uyeno』。
 *1977『Ordovician Conodonts from the Ship Point and Bad Cache Rapids Formations, Melville Peninsula, South-Eastern District of Franklin:Christopher Richard Barnes』。
 *1978『Conodonts from the Cobbs Arm Formation, Middle Ordovician, North-Central Newfoundland:David Roy Hunter』。
 *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.』。
 *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』。
 *1985『Conodont Biostratigraphy of the Montoya Group, Upper Ordovician from the Mud Springs Mountains of South-Central New Mexico:David G.Evans』。
 *1991『Conodont Stratigraphy of the Lower Ordovician Huk Formation at Slemmestad, Southern Norway:Jan Audun Rasmussen』。
 *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 Conodont Faunas from Southern Sardinia, Italy, Biostratigraphic and Paleogeographic Implications:Annalisa Ferretti & Enrico Serpagli』。
 *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』。
 *2003『Aspects of Ordovician Conodonts and the Stratigraphy of Thailand, Malaysia and Tasmania 2:Robin Crawford Cantrill』。
 *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』。
 *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『Conodonts in the Upper Ordovician Keisley Limestone of Northern England, Taxonomy, Biostratigraphical Significance and Biogeographical Relationships:Stig Magnus Bergström & Annalisa Ferretti』。

◆ダプシロドゥス・ネウァデンシス (絶滅)
 Dapsilodus nevadensis (Ethington & Schumacher 1969)
   syn.Acontiodus nevadensis Ethington & Schumacher 1969
     Dapsilodus compressus Zhand ex An, Zhang, Xiang, Zhang, Xu, Zhang, Jiang, Yang, Lin, Cui & Yang 1983
 *1969『Conodonts of the Copenhagen Formation, Middle Ordovician in Central Nevada:Raymond Lindsay Ethington & Dietmar Schumacher』。
 *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』。
 *1987『Conodonts and Conodont Biostratigraphy of the McLish and Tulip Creek Formations, Middle Ordovician of South-Central Oklahoma:Jeffrey A.Bauer』。

◆ダプシロドゥス・オブリクイコスタトゥス (絶滅)
 Dapsilodus obliquicostatus (Branson & Mehl 1933)
   syn.Distacodus obliquicostatus Branson & Mehl 1933
 *1933『Conodont Studies 1, Conodonts from the Bainbridge Formation, Silurian of Missouri (p39-52):Edward Bayer Branson & Maurice Goldsmith Mehl』。
 *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』。
 *1975『Studies of Multielement Silurian Conodonts 2, Multielement Conodonts from the Saint Clair Limestone, Silurian of Southern Illinois:Barry John Cooper』。
 *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』。
 *1991『A Literature-Based Phylogeny and Classification of Silurian Conodonts:Barry Glen Fordham』。
 *1993『Micropalaeontology [Conodonta, Ostracoda] Across the Ludlow/Prídolí Series Boundary, Silurian of Wales and the Welsh Borderland:Christopher Giles Miller』。
 *1994『Silurian of the Great Lakes Region 2, Paleontology of the Upper Llandovery Brandon Bridge Formation, Walworth County, Wisconsin:Rodney Watkins, Jeffrey J.Kuglitsch & Paula E.McGee』。
 *1999『Conodont Data in Relation to Time, Space and Environmental Relationships in the Silurian, Late Llandovery-Ludlow Succession at Boree Creek, New South Wales, Australia:Peter Cockle』。
 *2006『Silurian Linguliformean Brachiopods and Conodonts from the Cobra Formation, South-Eastern New South Wales, Australia:James L.Valentine, Damian J.Cole & Andrew J.Simpson』。
 *2010『Biostratigrafia a Conodonti Attorno al Limite Siluriano-Devoniano in Alcune Aree del Nord Gondwana:Maria Giovanna Corriga』。

◆ダプシロドゥス・ストリアトゥス (絶滅)
 Dapsilodus striatus Chen & Zhang 1984
 *1984『寧鎭地区中奥陶統牙形刺:陳敏娟/張建華』。



Genus Oslodus ZHANG 1998 オスロドゥス属 (絶滅)

◆オスロドゥス・セミシムメトリクス (絶滅)
 Oslodus semisymmetricus (Hamar 1966)
   syn.Acontiodus semisymmetricus Hamar 1966
     Basselodus semisymmetricus (Hamar 1966)
     Paltodus semisymmetricus (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』。
 *1978『Conodonts from the Cobbs Arm Formation, Middle Ordovician, North-Central Newfoundland:David Roy Hunter』。
 *1994『Conodonts of the Mójcza Limestone:Jerzy Dzik』。
 *1998『Conodonts from the Guniutan Formation, Llanvirnian in Hubei and Hunan Provinces, South-Central China:Jian-Hua Zhang』。
 *2006『Conodonts of the Kiviõli Member, Viivikonna Formation, Upper Ordovician in the Kohtla Section, Estonia:Viive Viira, Richard John Aldridge & Stephanie Curtis』。
 *2013-2014『Conodonti e Acritarchi del Darriwiliano, Ordoviciano Medio della Sezione di Källa, Öland, Svezia:Serena Frisenda, Gabriella Bagnoli & Cristiana Ribecai』。

inserted by FC2 system