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Transitional Fossil List 18: Carnivoran

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  Family Miacidae † Genus  Eosictis Genus  Messelogale [10] Genus  Miacis Genus  Miocyon Genus  Oodectes Genus  Palaearctonyx Genus  Paramiacis Genus  Paroodectes Genus  Procynodictis [11] Genus  Prodaphaenus Genus  Quercygale [12] Genus  Tapocyon Genus  Uintacyon Genus  Vassacyon Genus  Vulpavus Genus  Xinyuictis Miacis Species: M. parvivorus Cope , 1872 [5] Black's Fork of Green River,  Bridger Formation  (Wyoming, USA) Type species. Alteratively  Viverravus  parvivorus  and  Vulpavus parvivorus M. sylvestris Marsh , 1872 [6] Bridger Formation  (Wyoming, USA) Harpalodon sylvestris  according to J. L. Wortman 1901 [7] M. vulpinus Scott  &  Osborn , 1887 [8] Uinta Basin  (Utah, USA) Described as  Amphicyon  vulpinum ; assigned to Miacis by Matthew (1909) [9] M. uintensis Osborn  1895 [10] Uinta Basin  (Utah, USA) now assigned to  Prodaphaenus  uintensis   Friscia  &  Rasmussen  2010 [11] M. hargeri Wortman , 1901 [12] Bridger Formation  (Wyoming, USA) M. washakius M. medius
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Transitional Fossil List 17: Elephants

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  Arcanotherium † Daouitherium † Eritherium ? † Khamsaconus ? † Moeritherium † Numidotherium † Phosphatherium † Saloumia † Barytheriidae Barytherium Omanitherium † Deinotheriidae Chilgatherium Deinotherium Prodeinotherium Elephantiformes † Dagbatitherium † Eritreum † Hemimastodon † Palaeomastodon † Phiomia
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Transitional Fossil List 16: Cambrian Chordates

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  Haikouella Haikouichthys M Metaspriggina Myllokunmingia P Pikaia Y Yunnanozoon Z Zhongjianichthys Zhongxiniscus Cathaymyrus
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Transitional Fossil List 15: Kylinxia

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 Cambrian stage 3 arthropod likely ancestral to radiodonts and opabinia. Filling in a gap of the "Cambrian explosion."
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Transitional Fossil List 14: Snakes

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  Genera with hindlimbs and a  sacrum Najash Genera with hindlimbs only Eupodophis Haasiophis Pachyrhachis
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Transitional Fossil List 13: Turtles

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  † Acerosodontosaurus ? † Claudiosaurus ? † Eorhynchochelys † Eunotosaurus ? † Odontochelys † Pappochelys † Sauropterygia ? † Saurosphargidae ? Testudinata † Chinlechelys † Proganochelys † Proterochersis † Australochelyidae Australochelys Palaeochersis Waluchelys Mesochelydia † Condorchelys † Eileanchelys † Heckerochelys † Indochelys † Kayentachelys Perichelydia † Kallokibotion † Spoochelys † Angolachelonia ? † Macrobaenidae ? † Paracryptodira ? † Sinemydidae ? † Xinjiangchelyidae ? † Helochelydridae Aragochersis Helochelydra Helochelys Naomichelys Solemys † Meiolaniformes Chubutemys Otwayemys Patagoniaemys Peligrochelys Trapalcochelys Meiolaniidae Gaffneylania Meiolania Ninjemys Niolamia Warkalania † Sichuanchelyidae Laurasichersis Mongolochelys Sichuanchelys
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Transitional Fossil List 12: Sirenians

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  † Eosiren † Eotheroides † Prototherium † Prorastomidae Pezosiren Prorastomus † Protosirenidae Ashokia Libysiren Protosiren
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