Genus
Valid Extinct

Callawayasaurus

Carpenter 1999

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 as Alzadasaurus colombiensis before being moved into its current genus by Kenneth Carpenter in 1999.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
Callawayasaurus
click to enlarge
Cráneo de Callawayasaurus colombiensis exhibido en el Museo Paleontológico de Villa de Leyva © Petruss · CC BY-SA 3.0 · Wikimedia
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Classification
Sauropterygia Suborder
›
Plesiosauria Order
›
Plesiosauroidea Superfamily
›
Elasmosauridae Family
›
Callawayasaurus Genus
Measurements
Length
8 m ⓘ
Fossil sites 2 geolocated sites
Distribution
Top countries
🇨🇴 Colombia
2
Temporal distribution
Aptian (121.4–113.2 Ma)
2
Species (1)
Callawayasaurus colombiensis 121 Ma
Images 1
Bibliography
Original description
K. Carpenter. 1999. Revision of North American elasmosaurs from the Cretaceous of the Western Interior. Paludicola 2(2):148-173
Bibliography (1)
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