Taxons
Omphalosaurus
The incomplete skull and vertebrae of the holotype of Omphalosaurus nevadanus, seen in dorsal (left) and ventral view (right). This image was derived by combining plates 8 and 9 of Merriam (1906), done by an uncredited artist.
Legend:
A - angular
D - dentary
Pl - palatine
Pt - pterygoid
Sa - surangular
Sp - splenial
V - vertebrae
a, b, c - "doubtful elements"