Tropitoidea, formerly Tropitaceae, is an extinct
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
of
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 cuttle ...
cephalopod
A cephalopod is any member of the molluscan class Cephalopoda ( Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, ...
s in the
order Ceratitida
Ceratitida is an order that contains almost all ammonoid cephalopod genera from the Triassic as well as ancestral forms from the Upper Permian
The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years from t ...
, containing the following families:
*
Didymitidae
*
Episculitidae
*
Haloritidae
*
Juvavitidae
*
Parathisbitidae
*
Thisbitidae
*
Tropiceltidae
*
Tropiceltitidae
*
Tropitidae
References
The Paleobiology DatabaseAccessed on 1/14/12
Ceratitida superfamilies
{{Ceratitida-stub