Clionitidae is a family of generally evolute, Upper Triassic, ammonoids with a ventral furrow usually bordered by rows of tubercles and whorl sides ornamented...

family Clionitidae. C. californicus A genus of the clydonitacean family Clionitidae. C. careyi A genus of the clydonitacean family Clionitidae. C. compactus...

Alloclionites is a genus of extinct ammonoid cephalopods within the family Clionitidae which is part of the ceratitid superfamily Clydonitoidea. Alloclionites...

Californites is a genus of the Upper Triassic clydonicoidean family Clionitidae with a discoidal, evolute shell and radial tuberculate ribs that end in...

rise in the lower Upper Triassic to the Buchitidae, Choristoceratidae, Clionitidae, Distichitidae, and Thisbitidae. The Choristoceratidae gave rise in the...

Clionites is a genus of the clydonitoidean family Clionitidae, and its type. The shell is evolute so as to expose all whorls which are covered with generally...