Parkinsonia (ammonite)

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

Parkinsonia
Temporal range: Bajocian–Bathonian[1]
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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: Observe, the AVIF esolime.
gollark: I should convert it to AVIF because AVIF good.
gollark: If you want, for whatever reason, I can make a webp out of it, but it probably isn't a big file anyway.
gollark: Right now we have https://cdn.discordapp.com/icons/346530916832903169/42b9c6fccf143598a4ded96496f8ef17.png
gollark: What do you mean `-q 75`? Can you not just steal our current one?

References
  1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2017-10-18.
  2. Paleobiology Database - Parkinsonia. 2017-10-19.
  3. Ammonites.fr


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