Species
Valid Extinct

Polycotylus latipinnis

Cope 1869

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
7
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
Classification
Sauropterygia Suborder
Plesiosauria Order
Plesiosauroidea Superfamily
Polycotylidae Family
Polycotylinae Subfamily
Polycotylus Genus
Polycotylus latipinnis Species
Fossil sites 7 geolocated sites
Distribution
Top countries
🇺🇸 United States
7
Geological formations
Mooreville Chalk
1
Temporal distribution
Campanian (83.6–72.2 Ma)
2
Santonian (85.7–83.6 Ma)
3
Coniacian (89.8–85.7 Ma)
2
Synonyms (1)
Polycotylus dolichopus subjective synonym of Polycotylus latipinnis
Bibliography
Original description
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 ↗
Bibliography (7)
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. 1903. North American plesiosaurs, part 1. Geological Series Field Museum of Natural History 3(1):1-77 DOI ↗
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 ↗