Goniatites – an ammonite

(gon-ee-a-tie-tees)

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Model of the cephalopod, Goniatites.
Image: Jon Augier
Source: Museum Victoria

Fossil of the cephalopod, Goniatites crenistria.
Image: Jon Augier
Source: Museum Victoria

Carboniferous

HOW BIG IT WAS

Goniatites relative size depiction as described below
The shell of Goniatites was 5–15 cm in diameter.

Goniatites was an ammonite; a cephalopod with a distinctive round, coiled shell. Goniatites and related ammonites were abundant in the oceans of the Carboniferous, but were relatively small. The distinctive zig-zag markings on the fossil indicate the internal chambers of the shell.

A TRAIL THROUGH TIME

Cephalopods first appeared in the Silurian and survive to this day. See how this group has changed over time.

NautiloidsPtenoceras ParalegocerasCladiscitesBelemnitesBostrychoceras

WHERE IT WAS FOUND

Goniotites map

This fossil of Goniatites crenistria was discovered in Germany.

RELATED OBJECTS

Other objects from the Carboniferous

Giant invertebratesPederpesPentremitesStethacanthus