''Arnioceltites'' is a genus of Late Triassic
ammonite
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...
s that has been found in the Alps, Sicily, and possibly in California. The shell is evolute and ribbed, with the outer whorls becoming smooth.
''Arnioceltities'' is included in the
Tropiceltitidae family of the ceeratitid superfamily
Tropitaceae
Tropitoidea, formerly Tropitaceae, is an extinct superfamily of ammonite cephalopods in the order Ceratitida, containing the following families:
* Didymitidae
* Episculitidae
*Haloritidae
The Haloritidae is a family of subglobular, involute, Tr ...
.
References
*
Tropitaceae
Triassic ammonites of Europe
Ceratitida genera
Late Triassic ammonites
{{Ceratitida-stub