Hosselkus Limestone
Encyclopedia

Paleofauna

Vertebrates of the Hosselkus Limestone
Genus Species Location Member Abundance Notes Images

Merriamia

M. zitteli


Nectosaurus
Nectosaurus
Nectosaurus is a genus of marine diapsid reptile which lived during the Late Triassic of what is now California. The type species is N. halinus, described by John C. Merriam in 1905. A 2002 analysis of Nectosaurus classifies it as a thalattosaurian, one of a group of marine reptiles which lived...


N. halius

Shastasaurus
Shastasaurus
Shastasaurus is an extinct genus of ichthyosaur from the middle and late Triassic, and is the largest marine reptile that has yet been found. Specimens have been reported from the United States, Canada, and China...


S. alexandrae

Now referred to S. pacificus.

S. altispinus

Now referred to S. pacificus.

S. careyi

Remains formerly attributed to S. careyi are now thought to be from an indeterminate species of Shonisaurus.

S. osmonti

Now referred to S. pacificus.

S. pacificus

Shonisaurus

Indeterminate.

Thalattosaurus
Thalattosaurus
Thalattosaurus is an extinct genus of marine reptile in the family Thalattosauridae that lived during the Triassic period. It includes two known species.Thalattosaurus was a shellfish-eating reptile around 2 meters in length....


T. alexandrae

T. perrini

T. shastensis

Toretocnemus
Toretocnemus
Toretocnemus is an extinct genus of Ichthyosaur. Its remains have been found in California, U.S.A....


T. californicus

T. perrini
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