Fresnosaurus Welles 1943 (elasmosaur)

Reptilia - Plesiosauria - Elasmosauridae

Full reference: S. P. Welles. 1943. Elasmosaurid plesiosaurs with description of new material from California and Colorado. Memoirs of the University of California 13:125-254

Parent taxon: Elasmosauridae according to J. P. O'Gorman 2016

See also Carroll 1988, Sepkoski 2002, Welles 1943, Welles 1949 and Welles 1962

Sister taxa: Alexeyisaurus, Alzadasaurinae, Alzadasaurus kansasensis, Alzadasaurus tropicus, Callawayasaurus, Callowayosaurus, Cardiocorax, Chubutinectes, Cimoliasaurus, Cimoliasaurus andium, Cimoliasaurus cantabrigiensis, Cimoliasaurus caudalis, Elasmosaurus amalitskii, Elasmosaurus kurskensis, Elasmosaurus orskensis, Elasmosaurus serdobensis, Elasmosaurus sternbergi, Eromangasaurus, Euelasmosaurida, Fluvionectes, 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: Fresnosaurus drescheri

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Ecology: aquatic carnivore

Distribution: found only at LACM (CIT) 346 (Cretaceous of California)

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