Peritrochia

Peritrochia is an extinct genus of ammonite belonging to the order Goniatitida and family Vidrioceratidae.^[2] Specimens have been recovered from Permian beds in North America^[3] and East Timor.^[4]

Peritrochia Temporal range: Permian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Goniatitida
Family:	†Vidrioceratidae
Genus:	†Peritrochia Girty 1908
Species
P. erebus Girty 1908[1]