Biology:Progeronia
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Revision as of 01:40, 21 April 2022 by imported>WikiGary (fixing)
Short description: Genus of molluscs (fossil)
| Progeronia | |
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| Progeronia lictor from Tulear (Madagascar), Kimmeridgian stage | |
| Scientific classification | |
| Kingdom: | Animalia
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| Family: | |
| Genus: | Progeronia (Arkell 1953)
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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
Species within this genus include:[3]
- Progeronia breviceps
- Progeronia lictor
- Progeronia polyplocoides
Description
Shells of Progeronia species can reach a diameter of 6–23 millimetres (0.24–0.91 in).[1] These large shell are large and involute, with a bifurcated or trifurcated ribs.[1]
Distribution
Fossils of species within this genus have been found in the Jurassic sediments of Algeria and Hungary.[2]
References
- ↑ 1.0 1.1 1.2 Corbieres Fossiles
- ↑ 2.0 2.1 Fossilworks
- ↑ Almeras Yves, 1963: Application des methodes biometriques et statistiques a letude de quelques Perisphinctides kimmeridgiens du genre Progeronia, Arkell, 1953 Bulletin du Bureau de Recherches Geologiques et Minieres, Section 2: Geologie Appliquee, Chronique des Mines 3 – Pg. 1-28
External links
Wikidata ☰ Q20721487 entry
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