"Goniatites henslowi. GONIOTITES. A genus of fossil ammonites, giving name to the family Goniatitidae, having a discoid shell with angulated lobed sutures." -Whitney, 1911

Ammonoid

"Goniatites henslowi. GONIOTITES. A genus of fossil ammonites, giving name to the family Goniatitidae,…

The extinct ammonoid mollusk, Goniatites sphericus.

Goniatites sphericus

The extinct ammonoid mollusk, Goniatites sphericus.

Scaphites equalis is a species of extinct cephalopods that thrived during the Cretaceous period. "A genus of ammonites, or fossil ammonoid cephalopods of scaphoid shape, typical of the family <i>Scaphitidae</i>; the scaphites. The have the early walls regularly involute, but the last whorl detached, and straight for some distance, when it becomes again recurved toward the body." &mdash;Whitney, 1889

Scaphites equalis, Extinct Cephalopod Fossil

Scaphites equalis is a species of extinct cephalopods that thrived during the Cretaceous period. "A…