Reptilia - Plesiosauria - Elasmosauridae

Full reference: J. P. O'Gorman and R. A. Coria. 2017. A new elasmosaurid specimen from the upper Maastrichtian of Antarctica: new evidence of a monophyletic group of Weddellian elasmosaurids. Alcheringa 41(2):240-249

Parent taxon: Elasmosauridae according to J. P. O'Gorman et al. 2021

See also O'Gorman 2019, O'Gorman 2021, O'Gorman and Coria 2017, O'Gorman et al. 2018, O'Gorman et al. 2019, O'Gorman et al. 2021, O'Gorman et al. 2018 and O’Gorman et al. 2024

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, 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, Woolungasaurus, Woolungasaurus glendowerensis, Zarafasaura, Brimosaurus

Subtaxa: Aphrosaurus Aristonectinae Futabasaurus Kaiwhekea Kawanectes Marambionectes Morenosaurus Tuarangisaurus Vegasaurus

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Ecology: aquatic carnivore

Distribution:

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