Costigymnites is an extinct genus of cephalopods belonging to the Ammonite subclass that lived in lower Anisian (Bithynian, Ismidicus zone) in what is now Iran. The only known species is C. asiaticus, which is known from 2 incomplete specimens.[1]

Costigymnites
Temporal range: Lower Anisian 243.7–242.5 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ceratitida
Family: Gymnitidae
Genus: Costigymnites
Krystyn and Tatzreiter, 1991
Species

C. asiaticus

References edit

  1. ^ KRYSTYN, Leopold; TATZREITER, Franz. Middle Triassic ammonoids from Aghdarband (NE-Iran) and their paleobiogeographical significance. Abhandlungen der Geologischen Bundesanstalt, 1991, 38: 139-163.