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: Why bother posting the sha(sha(X) + privatesalt) one?
gollark: Dictionary attack? I was just going to do `echo -n name | sha256sum` really fast.
gollark: Fascinating.
gollark: Is this part of some convoluted plan to extract hashes of everyone's names?
gollark: Æh.
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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