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Tetragraptus fruticosis
Tetragraptus fruticosis Hall, 1858HemichordataGraptolithinaGraptoloideaDichograptidaeOrdovicianQuebec GrQuebec, CanadaAlso found in Europe and AustraliaLength: 10 cmGraptolites are colonial sea animals...
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Thelodus parvidens
Thelodus parvidens Agassiz, 1839AgnathaThelodontiCoelolepididae Late SilurianUpper Ludlow bonebedsEngland, UKAlso found in Germany and around the Baltic Sea.Length: 1 mThe thelodonts form a group of...
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Hurdia victoria
Hurdia victoria Walcott, 1912ArthropodaDinocarididaRadiodontaHurdiidae Middle CambrianBurgess ShaleBritish Columbia, CanadaLength: 20 cmSimilarly to Anomalocaris, different parts of this animal was...
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Lasanius problematicus
Lasanius problematicus Traquair, 1898AgnathaAnaspidaLasaniidaeLate SilurianLesmahagow, Lanarkshire (Pridoli)Scotland, UKLength: 6 cmThis jawless fish had a naked body apart from a series of scutes on...
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Zenaspis pagei
Zenaspis pagei (Lankester, 1870)AgnathaOsteotraciCornuataZenaspididaZenaspididaeEarly DevonanLower Old Red SandstoneScotland, UKLength: 25 cmThis is the largest ostracoderm found in the Lower Devonian...
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Lungmenshanaspis kiangyouensis
Lungmenshanaspis kiangyouensis Pan & Wang, 1975AgnathaGaleaspidaHuananaspidiformesHuananaspidae Early DevonanPingyipu Gr (Lochkovian)Sichuan, ChinaLength: 15 cmA rather bizarre jawless fish found...
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Olenellus thompsoni
Olenellus thompsoni (Hall, 1859)ArthropodaTrilobitaRedlichiidaOlenellidaOlenelloideaOlenellidaeOlenellinae Lower CambrianMiddle Upper Olenellus-zoneUSLength: 5 cmOlenellus known from several species in...
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Akmonistion zangerli
Akmonistion zangerli Coates and Sequeira, 2001ChondrichthyiesElasmobranchiiSymmoriidaStethacanthidae Early CarboniferousShrimp Mbr, Manse Burne FmScotland, UKLength: 50 cmStethacanthids were strange...
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Cladoselache fyleri
Cladoselache fyleri (Newberry, 1889)ChondrichthyiesCladoselachiformesCladoselachidae Late DevonianCleveland ShaleOhio, USLength: 1.5 mThe cladoselachiformes constitute one of the earliest branch of...
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Squatinactis caudispinatus
Squatinactis caudispinatus Lund & Zangerl, 1974ChondrichthyiesSquatinactiformesSquatinactidae Early Carboniferous (Mississippian)Bear Gulch Mbr, Heath Fm (Namurian, Serpukhovian)Montana, USLength:...
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Xenacanthus decheni
Xenacanthus decheni (Goldfuss, 1847)ChondrichthyiesElasmobranchiiXenacanthidaXenacanthiformesXenacanthidae Early Permian (Cisuralian)RotliegendBohemia, Czech Rep.Length: 1 mThe Xenacanthiformes form a...
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Tristychius arcuatus
Tristychius arcuatus Agassiz, 1837ChondrichthyiesElasmobranchiiHybodontiformesEarly Carboniferous (Mississippian)East Kirkton Limestone Fm (Visean)Scotland, UKLength: 0.6 mThis primitive shark had...
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Kosmoceratops richardsoni
Kosmoceratops richardsoni Sampson et al., 2010DinosauriaCeratopsiaCeratopsidaeChasmosaurinaeLate CretaceousKaiparowits Fm (Campanian)Utah, USProbably the ceratopsian with the most ornamented...
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Incisivosaurus gauthieri
Incisivosaurus gauthieri Xu, Wang & Chang, 2002DinosauriaSaurischiaTheropodaOviraptosauria Early CretaceousYixian Fm (Barremian)Liaoning, ChinaLength: 1 mThis unusual omnivorous dinosaur had...
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Albertosaurus sarcophagus
Albertosaurus sarcophagus Osborn, 1905DinosauriaSaurischiaTheropodaTyrannosauridaeAlbertosaurinae Late CretaceousHorseshoe Canyon Fm (Maastrichtian)Alberta, CanadaLength: 10 mThis relative of...
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Tupandactylus imperator
Tupandactylus imperator (Campos & Kellner, 1997)PterosauriaPterodactyloideaTapejaridaeTapejarinaeEarly CretaceousNova Olinda Member, Crato Fm (Late Aptian) Ceara, BrazilThis pterosaur is...
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Helicoprion bessonovi
Helicoprion bessonovi Karpinsky, 1899ChondrichthyesEugeneodontidaAgassizodontidaeEarly PermianArtinskianUral region, RussiaA recent study (2008) indicates that the circular saw like arrangement of...
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Amargasaurus cazaui
Amargasaurus cazaui Salgado & Bonaparte, 1991DinosauriaSaurischiaSauropodomorphaSauropodaDiplodocoideaDicraeosauridaeEarly CretaceousLa Amarga Fm (Barremian-Aptian) Neuquen, ArgentinaThis sauropod,...
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Taeniolabis taoensis
Taeniolabis taoensis Cope, 1882MammaliaMultituberculataCimolodontaTaenilabidoideaTaeniolabididaePaleoceneNacimiento Fm (Puercan)New Mexico, USLength: 1 mThis is the largest known member of the...
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Pantolambda bathmodon
Pantolambda bathmodon Cope, 1882MammaliaCimolestaPantodontaPantolambdidae PaleoceneNacimiento Fm (Puercan)New Mexico, USLength: 1.5 mThis sheep-size mammal was an unspecialized plantigrade belonging to...
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