Nathorstitidae

Systematics

Class: Cephalopoda

Subclass: Ammonoidea

Order: Ceratitida

Superfamily: Nathorstitaceae

Family: Nathorstitidae

The Nathorstitidae is a family in the ammonite order Ceratitida that forms part of the Nathorstitaceae. Adult shells are involute, discoidal and compressed, with a sharp venter (i.e.outer rim). Inner whorls are globose.

Genera include Eonathorstites, Indigirites, Metasphingites, Nathorstites, Stolleyites, and Tsvetkovites.