Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ceratitida
Suborder: Ceratitina
Suborder: Prolecanitina
Order: Ammonitida
Suborder: Ammonitina
Suborder: Acanthoceratina
Suborder: Ancyloceratina
Suborder: Phylloceratina
Suborder: Lytoceratina
Order: Goniatitida
Suborder: Goniatitina
Suborder: Anarcestina
Suborder: Clymeniina
