Parkinsonia (ammonite)
Genus of molluscs (fossil)
From Wikipedia, the free encyclopedia
Parkinsonia is a genus of ammonites belonging to the family Parkinsoniidae.[2]
| Parkinsonia Temporal range: | |
|---|---|
| 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]