Cyclolobidae

Cyclolobidae
Temporal range: Middle Permian–Upper Permian
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Superfamily: Cyclolobaceae
Family: Cyclolobidae
Schindewolf, 1931

Cyclolobidae: Goniatitid Ammonoidea belonging to the Cyclolobaceae with thickly discoidal to subgloblar shells with a small but open unbilicus and ammonitic sutures with numerous lobes that have subparallel sides.

The Cyclolobidae is one of three families of the Superfamily Cyclolobaceae; an extinct group of ammonoid cephalopods from the Late Paleozoic

References