Reptilia - Plesiosauria - Elasmosauridae
Alternative spelling: Cimoliosaurus
Synonyms: Hunosaurus Fritsch 1905, Iserosaurus Fritsch 1905
Parent taxon: Elasmosauridae according to F. R. O'Keefe and H. P. Street 2009
See also Bayer 1914, Bayer 1916, Brown 1981, Carrano 2025, Cope 1869, Cope 1871, Cope 1875, Delair 1960, Fritsch 1905, Hay 1902, Hay 1930, Lydekker 1889, Persson 1963, Seeley 1892, Sepkoski 2002, Wegner 1914, Welles 1943, White 1940, Williston 1903 and Williston 1906
Sister taxa: Alexeyisaurus, Alzadasaurinae, Alzadasaurus kansasensis, Alzadasaurus tropicus, Callawayasaurus, Callowayosaurus, Cardiocorax, Chubutinectes, Cimoliasaurus andium, Cimoliasaurus cantabrigiensis, Cimoliasaurus caudalis, Elasmosaurus amalitskii, Elasmosaurus kurskensis, Elasmosaurus orskensis, Elasmosaurus serdobensis, Elasmosaurus sternbergi, Eromangasaurus, Euelasmosaurida, Fluvionectes, Fresnosaurus, Gronausaurus, Jucha, Lagenanectes, Leivanectes, Leurospondylus, Mauisaurus gardneri, Plesiosaurus constrictus, Plesiosaurus crassicostatus, Plesiosaurus gulo, Plesiosaurus gurgitis, Plesiosaurus helmersenii, Plesiosaurus holmesii, Plesiosaurus hoodii, Plesiosaurus mackayii, Plesiosaurus mauritanicus, Plesiosaurus sutherlandi, Pliosaurus gigas, Pliosaurus macrospondylus, Scanisaurus, Stereosaurus, Thalassiosaurus, Thalassiosaurus ischiadicus, Thalassonomosaurus, Thalassonomosaurus nobilis, Wapuskanectes, Weddellonectia, Woolungasaurus, Woolungasaurus glendowerensis, Zarafasaura, Brimosaurus
Subtaxa: Brimosaurus grandis Cimoliasaurus brevior Cimoliasaurus maccoyi Cimoliasaurus magnus Cimoliosaurus laramiensis Cimoliosaurus magnus Cimoliosaurus snowii
Type: Cimoliosaurus magnus
Ecology: aquatic carnivore
Distribution:
• Cretaceous of Australia (1 collection), Canada (1: Northwest Territories), Chile (1), Czechia (1), the United Kingdom (2), United States (11: Arkansas, Maryland, Montana, New Jersey, Texas)
• Jurassic of the United Kingdom (1)
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.