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Saltopus elginensis
Saltopus elginensis Huene, 1910DinosauromorphaDinosauriformesLate TriassicLossiemouth Sanstone Fm (Carnian)Scotland, UKLength: 1 mSaltopus is known from a single cast of a partial skeleton lacking the...
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Lagerpeton chanarensis
Lagerpeton chanarensis Romer, 1971DinosauromorphaLagerpetidae Middle TriassicChañares Fm (Ladinian)La Rioja, ArgentinaLength: 70 cmLagerpeton is known from several very incomplete specimens consisting...
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Eoraptor lunensis
Eoraptor lunensis Sereno et al., 1993DinosauromorphaDinosauriaSaurischiaSauropodomorpha Late TriassicIschigualasto Fm (Carnian)San Juan, ArgentinaLength: 1 mKnown from several specimens, this small...
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Herrerasaurus ischigualastensis
Herrerasaurus ischigualastensis Reig, 1963DinosauromorphaDinosauriaSaurischiaTheropodaHerrerasauridae Late TriassicIschigualasto Fm (Carnian)San Juan, ArgentinaLength: 3 mThis is one of the most...
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Clydagnathus cavusformis
Clydagnathus cavusformis Rhodes, Austin & Druce, 1969ChordataConodontaEuconodontaOzarkodinidaCavusgnathidae Lower Carboniferous (Mississippian)(Tournaisian)Scotland, UK Length: 5 cmConodonts are...
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Tawa hallae
Tawa hallae Nesbitt et al., 2009DinosauromorphaDinosauriaSaurischiaTheropodaLate TriassicChinle Fm (Norian)New Mexico, USLength: 2 mThis is a very basal theropod, more advanced than Herrerasaurus and...
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Pikaia gracilens
Pikaia gracilens Walcott, 1911ChordataCephalochordataPikaiidae Middle CambrianBurgess ShaleBritish Columbia, CanadaLength: 5 cmThis member of the famous Burgess Shale Cambrian fauna was originally...
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Anglaspis heintzi
Anglaspis heintzi Blieck & Heintz, 1983AgnathaPteraspidomorphiHeterostraciCyathaspidiformesCyathaspididaeAriaspidae Early Devonian Ben Nevis Formation (Downtonian)Spitsbergen, NorwayLength: 9 cmOne...
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Phlebolepis elegans
Phlebolepis elegans Pander, 1856AgnathaThelodontiPhlebolepidiformesPhlebolepididae SilurianHimmiste Beds Fm EstoniaLength: 7 cmThis small agnathan was originally described from isolated scales until a...
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Hemicyclaspis murchisoni
Hemicyclaspis murchisoni (Egerton, 1857)AgnathaOsteotraciAtelaspidiformes Early DevonianLower Old Red Sandstone (Ludlow)England, UKLength: 13 cmThis common heterostracan from England was related to...
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Psammolepis venyukovi
Psammolepis venyukovi Obruchev, 1965AgnathaHeterostraciPsammosteiformes Psammosteidae Middle DevonianGauja Formation (Late Givetian)EstoniaLength: 80 cmThis is a rather large freshwater jawless fish...
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Anomalocaris canadensis
Anomalocaris canadensis Whiteaves, 1892ArthropodaDinocaridiaradiodontaAnomalocarididae Middle CambrianBurgess ShaleBritish Columbia, Canada Length: 1 mThe mouth, the appendages and the body of this...
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Pycnosteus tuberculatus
Pycnosteus tuberculatus (Rohon, 1901)AgnathaHeterostraciPsammosteiformes PycnosteidaeMiddle DevonianGauja Formation (Late Givetian)EstoniaLength: 80 cmAnother large and oddly shaped jawless armored...
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Gabreyaspis tarda
Gabreyaspis tarda Novitskaya, 1968AgnathaHeterostraciCyathaspidiformesAmphiaspididaAmphiaspidoideaGabreyaspididae Lower DevonianTaymir Kureyka Series (Lochkovian)Siberia, RussiaLength: 30 cmThis medium...
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Hibernaspis macrolepis
Hibernaspis macrolepis Obruchev, 1939AgnathaHeterostraciCyathaspidiformesAmphiaspididaAmphiaspidoideaHibernaspididaeLower DevonianTaymir Kureyka Series (Lochkovian)Siberia, RussiaLength: 60 cmWe...
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Myxinikela siroka
Myxinikela siroka Bardack, 1991ChordataMyxiniMyxina MyxinomorphiMyxiniformes Late Carboniferous (Pennsylvanian)Mazon Creek, Francis Creek Shale Mbr (Wesphalian)Illinois, USLength: 7 cmThis is one of...
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Tribrachidium heraldicum
Tribrachidium heraldicum Glaessner, 1959TrilobozoaTribrachididae EdiacaranEdiacara biota South AustraliaLength: up to 5 cmThis enigmatic animal of unknown affinities is characterized by its threefold...
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Nectocaris pteryx
Nectocaris pteryx Conway Morris, 1976? Mollusca? CephalopodaNectocarididae Middle CambrianBurgess ShaleBritish Columbia, CanadaLength: 10 cmThis swimming animal had a flat body with a small head and...
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Waptia fieldensis
Waptia fieldensis Walcott, 1912ArthropodaCrustaceomorphaWaptiidaWaptiidae Middle CambrianBurgess ShaleBritish Columbia, CanadaLength: 8 cmOne of the most common fossils of the famous Burgess Shale,...
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Didazoon haoae
Didazoon haoae Shu & Han, 2001ChordataVetulicoliaVetulicolidaDidazoonidae Early CambrianQiongzhusi Fm, Maotianshan ShaleChengjiang, ChinaLength: 20 cmThe Vetulicolians form an ephemeral group of...
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