Ectoceras Stecker, 1875
Genus
Type Species:
Ectoceras bidens Stecker, 1875b, by subsequent designation of *Chamberlin, 1932a: 21.
Order:
Genus
Type Species:
Ectoceras bidens Stecker, 1875b, by subsequent designation of *Chamberlin, 1932a: 21.
Order: