Parkinsonia (ammonite)

Parkinsonia is a genus of ammonites belonging to the family Parkinsoniidae.^[2]

Parkinsonia Temporal range: Bajocian–Bathonian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Parkinsonia parkinsoni from Great Britain, on display at the Natural History Museum, London
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Parkinsoniidae
Subfamily:	†Parkinsoniinae
Genus:	†Parkinsonia Bayle, 1878

These fast-moving nektonic carnivores lived from the Bajocian age to the Bathonian age of the Middle Jurassic.^[1]

Description

Parkinsonia species have a compressed spiral shell with strong ribbing.^[3]

Distribution

Fossils of species within this genus have been found in the Jurassic of France, Germany, Iran, Russia, United Kingdom, and United States.^[2]