Durotrigensia

Durotrigensia is a genus of ammonites (Ammonitida) in the perisphinctoid family Parkinsoniidae. Durotrigensia is sometimes considered a subgenus of and is related also to and Okribites. These cephalopods lived during the Bajocian stage of the Middle Jurassic some 170 to 164 million years ago.

Durotrigensia

Durotrigensia is a genus of ammonites (Ammonitida) in the perisphinctoid family Parkinsoniidae. Durotrigensia is sometimes considered a subgenus of and is related also to and Okribites. These cephalopods lived during the Bajocian stage of the Middle Jurassic some 170 to 164 million years ago.