Genre
Valide Éteint

Polycotylus

Cope 1869

Polycotylus est un genre fossile de plésiosaures appartenant à la famille fossile des Polycotylidae.

Plage temporelle
Trias
Jurassique
Crétacé
Paléogène
Néogène
252 201 145 66 0 Ma
Occurrences PBDB
10
Groupe
Sauroptérygiens
Carnivore aquatic, depth=surface Marin
Polycotylus
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Polycotylus latipinnis specimen (LACM 129639) containing a fetus on display at the Natural History Museum of Los Angeles County. © Jonathan Chen · CC BY-SA 4.0 · Wikimedia

Légende en anglais — traduction française non disponible.

PBDB Wikipedia
Classification
Sauropterygia Sous-ordre
Plesiosauria Ordre
Plesiosauroidea Superfamille
Polycotylidae Famille
Polycotylinae Sous-famille
Polycotylus Genre
Sites de découverte 10 sites géolocalisés
Répartition
Principaux pays
🇺🇸 États-Unis
8
🇫🇷 France
1
🇷🇺 Russie
1
Formations géologiques
Argiles de Châtillon
1
Frontier
1
Mooreville Chalk
1
Distribution temporelle
Campanien (83.6–72.2 Ma)
3
Santonien (85.7–83.6 Ma)
3
Coniacien (89.8–85.7 Ma)
2
Cénomanien (100.5–93.9 Ma)
1
Kimméridgien (154.8–149.2 Ma)
1
Espèces (4)
Polycotylus dolichopus subjective synonym of Polycotylus latipinnis 90 Ma
Polycotylus latipinnis 90 Ma
Polycotylus sopozkoi 84 Ma
Polycotylus suprajurensis 152 Ma
Images 1
Bibliographie
Description originale
E. D. Cope. 1869. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part I. Transactions of the American Philosophical Society, New Series 14:1-104 DOI ↗
Bibliographie (10)
V. M. Efimov, I. A. Meleshin, and A. V. Nikiforov. 2016. A New Species of the Plesiosaur Genus Polycotylus from the Upper Cretaceous of the Southern Urals. Paleontological Journal 50(5):494-503 DOI ↗
B. A. Schumacher and J. E. Martin. 2016. Polycotylus latipinnis Cope (Plesiosauria, Polycotylidae), a nearly complete skeleton from the Niobrara Formation (Early Campanian) of southwestern South Dakota. Journal of Vertebrate Paleontology 36(1):e1031341:1-15 DOI ↗
F. R. O'Keefe and L. M. Chiappe. 2011. Viviparity and K-selected life history in a Mesozoic marine Plesiosaur (Reptilia, Sauropterygia. Science 333(870):870-873 DOI ↗
F. R. O'Keefe. 2004. On the cranial anatomy of the polycotylid plesiosaurs, including new material of Polycotylus latipinnis, Cope, from Alabama. Journal of Vertebrate Paleontology 24(2):326-340 DOI ↗
G. W. Storrs. 1999. An examination of Plesiosauria (Diapsida: Sauropterygia) from the Niobrara Chalk (Upper Cretaceous) of Central North America. Paleontological Contributions of the University of Kansas 11:1-15
S. W. Williston. 1906. North American plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus. The American Journal of Science, series 4 21:221-236 DOI ↗
S. W. Williston. 1905. A new armored dinosaur from the Upper Cretaceous of Wyoming. Science 22(564):503 DOI ↗
S. W. Williston. 1903. North American plesiosaurs, part 1. Geological Series Field Museum of Natural History 3(1):1-77 DOI ↗
H.-E. Sauvage. 1876. Notes sur les reptiles fossiles [Notes on fossil reptiles]. Bulletin de la Société Géologique de France, 3e série 4:435-444
E. D. Cope. 1869. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part I. Transactions of the American Philosophical Society, New Series 14:1-104 DOI ↗