Progeronia
From Wikipedia, the free encyclopedia
| Progeronia Temporal range: | |
|---|---|
| Progeronia lictor from Tulear (Madagascar), Kimmeridgian stage | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Perisphinctidae |
| Genus: | †Progeronia (Arkell, 1953) |
Progeronia is a genus of ammonites belonging to the family Perisphinctidae.[1]
These fast-moving nektonic carnivores lived in the Jurassic period, from 155.7 to 150.8 Ma.[2]
Species within this genus include:[3]
- Progeronia breviceps
- Progeronia lictor
- Progeronia polyplocoides