Parkinsonia (ammonite)
Parkinsonia is a genus of ammonites belonging to the family Parkinsoniidae.[2]
| Parkinsonia | |
|---|---|
 | |
| 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]
gollark: It's not one of those weird retroactive ones.
gollark: You can't be affected by LATER cognitohazards.
gollark: It's not a very useful cognitohazard, honestly?
gollark: It makes you unable to be affected by cognitohazards.
gollark: Now THIS is a cognitohazard.
References
- Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2017-10-18.
- Paleobiology Database - Parkinsonia. 2017-10-19.
- Ammonites.fr
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