Californites
Encyclopedia
Californites is a genus of the Upper Triassic clydonicacean
Clydonitaceae
The Clydonitaceae is a superfamily in the ammonoid cephalopod order Ceratitida characterized by generally costate and turberculate shells with smooth, grooved, or keeled venters and sutures that are commonly ceratitic or ammonitic but goniatic in a few offshoots.-Taxonomy:The Clydonitaceae unites...

 family Clionitidae
Clionitidae
Clionitidae is a family of generally evolute, Upper Triassic, ammonoids with a ventral furrow usually bordered by rows of tubercles and whorl sides ornamented by sigmoidal ribs which may bear spiral rows of tubercles. The suture is ceratitic....

 with a discoidal, evolute shell and radial tuberculate ribs that end in strong ventrolateral spines. The whorl section is described as trapezoidal. The venter is low-arched, smooth, and has a strong but narrow median groove.

Californites comes from the Carnian
Carnian
The Carnian is the lowermost stage of the Upper Triassic series . It lasted from about 228.7 till 216.5 million years ago . The Carnian is preceded by the Ladinian and is followed by the Norian...

of California.

references

Treatise on Invertebrate Paleontology, Part L, Ammonoidea. R. C. Moore (ed). Geological Society of America and Univ of Kansas press, 1957
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