Aegasteroceras

Aegasteroceras is an extinct cephalopod genus from the Lower Jurassic belonging to the arietitid subfamily Asteroceratinae. The shell of Aegasteroceras is evolute with curve forward and meet at a broad low ventral keel.^[1] Aegasteroceras, named by Spath, 1925, has been found in the Sinemurian (Lower Jurassic) of England.^[1]

Aegasteroceras
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Arietitidae
Subfamily:	†Asteroceratinae
Genus:	†Aegasteroceras Spath, 1925