Classification
Sauropterygia
Suborder
›
Plesiosauria
Order
›
Plesiosauroidea
Superfamily
›
Elasmosauridae
Family
›
Euelasmosaurida
Unranked clade
›
Elasmosaurinae
Unranked clade
Fossil sites 21 geolocated sites
Distribution
Top countries
Geological formations
Temporal distribution
Maastrichtian
(72.2–66 Ma)
2
Campanian
(83.6–72.2 Ma)
10
Santonian
(85.7–83.6 Ma)
5
Coniacian
(89.8–85.7 Ma)
1
Turonian
(93.9–89.8 Ma)
3
Synonyms (1)
Styxosaurinae
subjective synonym of Elasmosaurinae
Images 1
Bibliography
Original description
J. P. O'Gorman. 2019. Elasmosaurid phylogeny and paleobiogeography, with a reappraisal of Aphrosaurus furlongi from the Maastrichtian of the Moreno Formation. Journal of Vertebrate Paleontology 39(5):e1692025:1-24
DOI ↗
Bibliography (15)
D. J. Serratos, P. Druckenmiller, and R. B. J. Benson. 2017. A new elasmosaurid (Sauropterygia, Plesiosauria) from the Bearpaw Shale (Late Cretaceous, Maastrichtian) of Montana demonstrates multiple evolutionary reductions of neck length within Elasmosauridae. Journal of Vertebrate Paleontology 37(2):e1278608
DOI ↗
R. A. Otero. 2016. Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous. PeerJ 4:e1777:1-60
DOI ↗
T. Kubo, M. T. Mitchell, and D. M. Henderson. 2012. Albertonectes vanderveldei, a new elasmosaur (Reptilia, Sauropterygia) from the Upper Cretaceous of Alberta. Journal of Vertebrate Paleontology 32(3):557-572
DOI ↗
T. Sato. 2003. Terminonatator ponteixensis, a new elasmosaur (Reptilia: Sauropterygia) from the Upper Cretaceous of Saskatchewan. Journal of Vertebrate Paleontology 23(1):89-103
DOI ↗
D. J. Cicimurri and M. J. Everhart. 2001. An elasmosaur with stomach contents and gastroliths from the Pierre Shale (Late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science 104(3-4):129-143
DOI ↗
K. Carpenter. 1999. Revision of North American elasmosaurs from the Cretaceous of the Western Interior. Paludicola 2(2):148-173
Y. Kanie, Y. Hasegawa, and Y. Okazaki, M. Tatematsu. 1998. Vampyromorph: past and present - Cretaceous Vampyromorph (Coleoidea: Cephalopoda) as the diet of plesiosaurs. Bulletin of Gunma Museum of Natural History 2:11-22
J. E. Martin and L. E. Kennedy. 1988. A plesiosaur with stomach contents from the Late Cretaceous (Campanian) Pierre Shale of South Dakota: a prelimiinary report. Proceedings of the South Dakota Academy of Sciences 67:76-79
I. Obata, Y. Hasegawa, and H. Otsuka. 1972. Preliminary report on the Cretaceous reptile fossils from Hokkaido. Memoirs of the National Science Museum 5:213-222
S. P. Welles and J. D. Bump. 1949. Alzadasaurus pembertoni, a new elasmosaur from the Upper Cretaceous of South Dakota. Journal of Paleontology 23(5):521-535
S. P. Welles. 1940. Revision of Elasmosaurid Plesiosaurs.
F. B. Loomis. 1915. A new mosasaur from the Fort Pierre. American Journal of Science 39(233):555-566
DOI ↗
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. 1890. A new plesiosaur from the Niobrara Cretaceous of Kansas. Transactions of the Kansas Academy of Science 12:174-178
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E. D. Cope. 1868. On a new large enaliosaur. The American Journal of Science, series 2 46(137):263-264