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Lazarussuchus inexpectatus
Lazarussuchus inexpectatus Hecht, 1992ReptiliaDiapsidaNeodiapsidaChoristodera OligoceneArmissan QuarryFranceLength: 30 cmThis rather small lizard-like creature is the last representative of a small...
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Cosesaurus aviceps
Cosesaurus aviceps Ellenberger & Villalta, 1974ReptiliaDiapsidaNeodiapsidaArchosauromorpha ProtorosauriaMiddle TriassicMontral-Alcover (Ladinian)SpainLength: 15 cmFirst described in 1974 as a...
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Tanystropheus longobardicus
Tanystropheus longobardicus (Bassani, 1886)ReptiliaDiapsidaNeodiapsidaArchosauromorpha ProtorosauriaTanystropheidae Middle TriassicBesano Fm (Anisian)ItalyLength: 4 mTanystropheus was an odd looking...
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Cartorhynchus lenticarpus
Cartorhynchus lenticarpus Motani et al., 2014ReptiliaDiapsidaNeodiapsidaIchthyosauromorphaIchthyosauriformes Early TriassicNanlinghu Fm (Olenekian)Anhui, ChinaLength: 40 cmThis is the smallest and most...
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Vintana sertichi
a keen sense ofVintana sertichi Krause et al., 2014MammaliaAllotheriaGondwanathariaSudamericidaeLate CretaceousMaevarano Fm (Maastrichtian)MadagascarLength: 50 cmThe second largest known Mesozoic...
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Dreadnoughtus schrani
Dreadnoughtus schrani Lacovara et al.., 2014DinosauriaSaurischiaSauropodomorphaSauropodaMacronariaTitanosauriformes Titanosauria Late CretaceousCerro Fortaleza Fm (Campanian-Maastrichtian)Santa Cruz...
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Eocasea martini
Eocasea martini Reisz & Fröbisch, 2014SynapsidaCaseasauriaCaseidae Late CarboniferousCalhoun Shale, Shawnee Gr (Virgilian = Stephanian)Kansas, USALength: 20 cmThis is the earliest known member of...
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Kulindadromeus zabaikalicus
Kulindadromeus zabaikalicus Godefroit et al.., 2014DinosauriaOrnithischiaNeornithischia Middle or Late JurassicUkureyskaya Formation South East Siberia, RussiaLength: 1.5 mThis little basal...
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Pederpes finneyae
Pederpes finneyae Clack, 2002TetrapodaWhatcheeridae Early CarboniferousBallagan Fm, Inverclyde Gr (Tournaisian)Scotland, UKLength: 65 cmThe so-called Romer's gap is the 20 million year period which...
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Eurotamandua joresi
Eurotamandua joresi Storch, 1981MammaliaEutheriaAfrotheriaAfredentataEurotamanduidae EoceneMessel PitGermanyLength: 90 cmEurotamandua resembles modern arboreal anteaters (Tamandua) and probably shared...
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Moeritherium lyonsi
Moeritherium lyonsi Andrews, 1901MammaliaEutheriaAfrotheriaProboscideaMoeritheriidae Late EoceneQasr-el-Sagha FmEgyptLength: 2.5 mMoeritherium has been long considered as the ancestral elephant. This...
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Palaeomastodon beadnelli
Palaeomastodon beadnelli Andrews, 1901MammaliaEutheriaAfrotheriaProboscideaPalaeomastodontidaeOligoceneGebel Qatrani Fm (Rupelian)Fayum, EgyptLength: 3 mPalaeomastodon is another fossil proboscidian...
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Phiomia serridens
Phiomia serridens Andrews & Beadnell, 1902MammaliaEutheriaAfrotheriaProboscideaPhiomiidaeOligoceneGebel Qatrani Fm (Rupelian)Fayum, EgyptLength: 3.5 mPhiomia had shovel-like tusks on the lower jaw...
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Mammut americanum
Mammut americanum Kerr, 1792 (American Mastodon)MammaliaEutheriaAfrotheriaProboscideaMammutidaePleistoceneNorth AmericaLength: 4 mThe American mastodon disappear at the end of the Pleistocene period...
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Peltephilus ferox
Peltephilus ferox Ameghino, 1891 (Horned Armadillo)MammaliaEutheriaXenarthraCingulataDasypodidae Early MioceneArgentina Length: 1.5 mThis large fossorial armadillo had a pair of horns on its snout....
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Pyrotherium romeroi
Pyrotherium romeroi Ameghino, 1889MammaliaEutheriaNotoungulata PyrotheriaPyrotheriidae Late OligoceneDeseada FmArgentina Length: 3 mPyrotherium was originally described as a Cretaceous mammal ancestral...
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Shenshou lui
Shenshou lui Bi et al., 2014MammaliaTheriiformesAllotheriaEuharamiyida Late JurassicTaojishan Fm (Oxfordian)Liaoning, ChinaLength: 20 cmShenshou belongs to a group of early mammals called haramiyids....
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Nanuqsaurus hoglundi
Nanuqsaurus hoglundi Fiorillo & Tyloski, 2014DinosauriaTheropodaTyrannosauridaeTyrannosaurinae Late CretaceousPrince Creek Fm (Maastrichtian)Alaska, USLength: 6 mNanuqsaurus ("Polar bear lizard")...
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Toxodon platensis
Toxodon platensis Owen, 1837MammaliaEutheriaNotoungulataToxodontia ToxodontidaeToxodontinae PleistoceneSouth AmericaLength: 3 mThis peculiar terrestrial animal was one of the largest and most common...
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Adelospondylus watsoni
Adelospondylus watsoni Carroll, 1967AmphibiaLepospondyliAdelospondyliAdelogyrinidae Lower Carboniferous? SerpukhovianScotland, UKLength: ? 50 cmAdelospondylus is only known from a small skull from the...
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