"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.