Didymoceras stevensoni

Didymoceras stevensoni Temporal range: Upper Campanian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†
Genus:	†Didymoceras
Species:	†D. stevensoni
Binomial name
Didymoceras stevensoni (Whitfield 1877)
Synonyms
Helicoceras stevensoni Whitfield, 1877

Didymoceras stevensoni was an extinct species of heteromorph ammonites from the upper Campanian age.