Glyphidites
Encyclopedia
Glyphidites is a Late Triassic ceratitid
included in the family Thisbitidae, characterized by an essentially involute shell with a compressed whorl section, nearly straight sides and arched venter, bearing a serrated keel and granular sinuous ribs.
Glyphidites comes from the Upper Triassic (Norian) of Sicily and the Alps. Related genera include Thisbites and Jellinekites. The Thisbitidae, to which it is assigned, has been removed from the Clydonitaceae in Akell et al, 1957 to the Tropitaceae in E.T. Tozer, 1981
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....
included in the family Thisbitidae, characterized by an essentially involute shell with a compressed whorl section, nearly straight sides and arched venter, bearing a serrated keel and granular sinuous ribs.
Glyphidites comes from the Upper Triassic (Norian) of Sicily and the Alps. Related genera include Thisbites and Jellinekites. The Thisbitidae, to which it is assigned, has been removed from the Clydonitaceae in Akell et al, 1957 to the Tropitaceae in E.T. Tozer, 1981