"Ammonites bifrons. Side view of ditto." -Taylor, 1904

Ammonite bifrons

"Ammonites bifrons. Side view of ditto." -Taylor, 1904

"Ammonites communis. Side view of ditto." -Taylor, 1904

Ammonites communis

"Ammonites communis. Side view of ditto." -Taylor, 1904

"Ammonites obtusus. Side view of ditto." -Taylor, 1904

Ammonites obtusus

"Ammonites obtusus. Side view of ditto." -Taylor, 1904

The extinct ammonoid mollusk, Goniatites sphericus.

Goniatites sphericus

The extinct ammonoid mollusk, Goniatites sphericus.