Tatenectes (original) (raw)
Tatenectes es un género extinto de plesiosaurio criptoclídido o aristonéctido cuyos restos se han encontrado en estratos del Jurásico Superior en la época del Oxfordiense en la de Wyoming, Estados Unidos. La especie tipo, Tatenectes laramiensis fue nombrada en 2003 por y .
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| dbo:abstract | Tatenectes es un género extinto de plesiosaurio criptoclídido o aristonéctido cuyos restos se han encontrado en estratos del Jurásico Superior en la época del Oxfordiense en la de Wyoming, Estados Unidos. La especie tipo, Tatenectes laramiensis fue nombrada en 2003 por y . (es) Tatenectes laramiensis( Vous lisez un « bon article » labellisé en 2022. ) Tatenectes Palette natatoire avant du spécimen holotype de Tatenectes laramiensis. Genre † Tatenectes (d) & (d), 2003 Espèce † Tatenectes laramiensis(Knight, 1900) Synonymes * Cimoliosaurus laramiensis Knight, 1900 * Tricleidus? laramiensis Mehl, 1912 Tatenectes (littéralement « plongeur du Tate ») est un genre éteint de plésiosaures ayant vécu durant le Jurassique supérieur dans ce qui est actuellement l'Amérique du Nord. Une seule espèce est connue, Tatenectes laramiensis, décrite en 1900 à partir de restes fossiles découverts dans le membre de Redwater Shale, au sein de la formation de Sundance, située au Wyoming, aux États-Unis. Bien que les restes fossiles soient incomplets, la longueur totale de Tatenectes est estimée entre deux et trois mètres. Tatenectes est apparenté à Kimmerosaurus, tous deux rattachés à la famille des Cryptoclididae. La forme inhabituelle du corps et les côtes abdominales pachyostosées de Tatenectes auraient contribué à le rendre plus stable et résistant aux turbulences aquatiques. D'après le contenu fossilisé de son estomac, Tatenectes se nourrissait de céphalopodes et de poissons. Il aurait vécu dans les eaux peu profondes de la mer de Sundance, une mer intérieure couvrant une grande partie de l'Amérique du Nord pendant une période du Jurassique. Tatenectes partageait son habitat avec des invertébrés, des poissons, des ichtyosaures et même d'autres plésiosaures, dont un autre cryptoclididé, Pantosaurus, et le grand pliosauridé Megalneusaurus. (fr) Tatenectes is a genus of cryptoclidid plesiosaur known from the Upper Jurassic of Wyoming. Its remains were recovered from the Redwater Shale Member of the Sundance Formation, and initially described as a new species of Cimoliosaurus by Wilbur C. Knight in 1900. It was reassigned to Tricleidus by Maurice G. Mehl in 1912 before being given its own genus by O'Keefe and Wahl in 2003. Tatenectes laramiensis is the type and only species of Tatenectes. While the original specimen was lost, subsequent discoveries have revealed that Tatenectes was a very unusual plesiosaur. Its torso had a flattened, boxy cross-section and its gastralia (belly ribs) exhibit pachyostosis (thickening). The total length of Tatenectes has been estimated at 2–3 meters (6.6–9.8 ft). Tatenectes is related to Kimmerosaurus, although their taxonomic placement has varied. They were once considered to be close relatives of Aristonectes in the family Cimoliasauridae or Aristonectidae, but later assigned to Cryptoclididae. The unusual body shape and pachyostotic gastralia of Tatenectes would have helped to make it more stable and resistant to turbulence. Based on stomach contents, Tatenectes fed on cephalopods and fish. It would have lived in the shallow waters of the Sundance Sea, an epicontinental sea covering much of North America during part of the Jurassic. Tatenectes shared its habitat with invertebrates, fish, ichthyosaurs, and other plesiosaurs, including another cryptoclidid, Pantosaurus, and the large pliosaurid Megalneusaurus. (en) Il tatenecte (Tatenectes laramiensis) è un rettile marino estinto, appartenente ai plesiosauri. Visse all'inizio del Giurassico superiore (Oxfordiano, circa 160 milioni di anni fa) e i suoi resti fossili sono stati ritrovati in Nordamerica (Wyoming). Possedeva un insolito corpo piatto. (it) |
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| dbp:align | right (en) |
| dbp:authority | [originally Cimoliosaurus] (en) |
| dbp:footer | Restored cross-sections of the torsos of Tatenectes and Muraenosaurus . Note the much flatter shape of the former, and its thickened midline gastralium (en) |
| dbp:fossilRange | Late Jurassic, (en) |
| dbp:image | Muraenosaurus Torso Reconstruction.svg (en) Tatenectes Torso Reconstruction.svg (en) |
| dbp:imageCaption | Front paddle of the holotype (en) |
| dbp:name | Tatanectes (en) |
| dbp:parentAuthority | O'Keefe and Wahl, 2003 (en) |
| dbp:synonyms | * Cimoliosaurus laramiensis (Knight, 1900) * Tricleidus? laramiensis (Mehl, 1912) (en) |
| dbp:taxon | Tatenectes laramiensis (en) |
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| rdfs:comment | Tatenectes es un género extinto de plesiosaurio criptoclídido o aristonéctido cuyos restos se han encontrado en estratos del Jurásico Superior en la época del Oxfordiense en la de Wyoming, Estados Unidos. La especie tipo, Tatenectes laramiensis fue nombrada en 2003 por y . (es) Il tatenecte (Tatenectes laramiensis) è un rettile marino estinto, appartenente ai plesiosauri. Visse all'inizio del Giurassico superiore (Oxfordiano, circa 160 milioni di anni fa) e i suoi resti fossili sono stati ritrovati in Nordamerica (Wyoming). Possedeva un insolito corpo piatto. (it) Tatenectes is a genus of cryptoclidid plesiosaur known from the Upper Jurassic of Wyoming. Its remains were recovered from the Redwater Shale Member of the Sundance Formation, and initially described as a new species of Cimoliosaurus by Wilbur C. Knight in 1900. It was reassigned to Tricleidus by Maurice G. Mehl in 1912 before being given its own genus by O'Keefe and Wahl in 2003. Tatenectes laramiensis is the type and only species of Tatenectes. While the original specimen was lost, subsequent discoveries have revealed that Tatenectes was a very unusual plesiosaur. Its torso had a flattened, boxy cross-section and its gastralia (belly ribs) exhibit pachyostosis (thickening). The total length of Tatenectes has been estimated at 2–3 meters (6.6–9.8 ft). (en) Tatenectes laramiensis( Vous lisez un « bon article » labellisé en 2022. ) Tatenectes Palette natatoire avant du spécimen holotype de Tatenectes laramiensis. Genre † Tatenectes (d) & (d), 2003 Espèce † Tatenectes laramiensis(Knight, 1900) Synonymes * Cimoliosaurus laramiensis Knight, 1900 * Tricleidus? laramiensis Mehl, 1912 (fr) |
| rdfs:label | Tatenectes (es) Tatenectes (fr) Tatenectes laramiensis (it) Tatenectes (nl) Tatenectes (en) |
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