Temporal range: Early Cretaceous, 125.45–122.46 Ma
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Skull of Callawayasaurus colombiensis displayed in the Paleontological Museum of Villa de Leyva
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Reptilia
Superorder:
†Sauropterygia
Order:
†Plesiosauria
Family:
†Elasmosauridae
Genus:
†Callawayasaurus Carpenter, 1999
Species:
†C. colombiensis
Binomial name
†Callawayasaurus colombiensis
(Wells, 1962 [originally Alzadasaurus])
Synonyms
Alzadasaurus colombiensis Wells, 1962
Callawayosaurus lapsus calami
Callawayasaurus is a genus of plesiosaur from the family Elasmosauridae. When the holotype was first described by Samuel Paul Welles in 1962,[1] it was described as Alzadasaurus colombiensis before being moved into its current genus by Kenneth Carpenter in 1999.[2]
^S. P. Welles. (1962). A new species of elasmosaur from the Aptian of Colombia and a review of the Cretaceous plesiosaurs. University of California Publications in Geological Sciences 44(1):1-96
^Carpenter, K. 1999. "Revision of North American elasmosaurs from the Cretaceous of the Western Interior". Paludicola 2(2):148-173.
Callawayasaurus is a genus of plesiosaur from the family Elasmosauridae. When the holotype was first described by Samuel Paul Welles in 1962, it was described...
L. bernadoi, which was described in 2019. Leivanectes differs from Callawayasaurus, which has been found in the same formation, in having fewer mandibular...
to the Elasmosauridae; one study found it to be a close relative of Callawayasaurus. A phylogenetic analysis of plesiosaurs run by O'Gorman and colleagues...
one containing Libonectes and Terminonatator, the other containing Callawayasaurus and Hydrotherosaurus. Ketchum and Benson's 2010 analysis included Elasmosaurus...
one containing Libonectes and Terminonatator, the other containing Callawayasaurus and Hydrotherosaurus. Ketchum and Benson's 2010 analysis included Elasmosaurus...
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