Xenodrepanites
Encyclopedia
Xenodrepanites is an extent ammonoid cephalopod genus belonging to the Ceratitida
from the Upper Triassic of the Himalayas. Xenodrepanites has a very compressed, discoidal shell with a ventral furrow bordered by crenulated keels and a sub-ammonitic suture.
Some put Xenodrepanites in the Clydonitacan family, Cyrtopleuritidae instead.
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....
from the Upper Triassic of the Himalayas. Xenodrepanites has a very compressed, discoidal shell with a ventral furrow bordered by crenulated keels and a sub-ammonitic suture.
Some put Xenodrepanites in the Clydonitacan family, Cyrtopleuritidae instead.