Aspinoceras

Aspinoceras
Temporal range: Early Cretaceous
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Suborder: Ancyloceratina
Family: Ancyloceratidae
Genus: Aspinoceras
Anderson, 1938

Aspinoceras is an extinct genus of heteromorph ammonites that lived during the Early Cretaceous. The shell small; starts off with a few loosely wound whorls not in contact followed by a short moderately curved shaft ending in a broad hook. Surface covered with mostly fine, close spaced ribs, with periodic larger ribs. In general form it resembles Ancyloceras.

Aspinoceras has been found in upper Hauterivian - lower Barremian formations in Europe and California.