Alloclionites
Encyclopedia
Alloclionites is an extinct ammonoid cephalopod genus within the family Clionitidae
which is part of the ceratitid
superfamily Clydonitaceae
. Alloclionites comes from the Upper Triassic of the Alps, Balkans, Himalayas, Timor, and British Columbia and is recognized by its many tubercles which tend to diminish on the body chamber.
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....
which is part of the ceratitid
Ceratitida
The Ceratitida is an order that contains almost all ammonoid cephalopod genera from the Triassic as well as ancestral forms from the Upper Permian, the exception being the phylloceratids which gave rise to the great diversity of post Triassic ammonites....
superfamily Clydonitaceae
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...
. Alloclionites comes from the Upper Triassic of the Alps, Balkans, Himalayas, Timor, and British Columbia and is recognized by its many tubercles which tend to diminish on the body chamber.