Taxons
Unktaheela
Skull diagram of Unktaheela specta, primarily based on the holotype specimen UCM 35059. Dotted lines indicate poorly defined sutures or missing bone. Scale bar=10 cm.
References
"A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops"
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Premaxilla
Maxilla
Frontal
Supraorbital ledge
Prefrontal
Jugal
Scleral ring
Postorbital
Parietal
Supraorbital ridge
Squamosal
Quadrate
Epipterygoid
Dentary
Angular
Surrangular
Articular