Serratolamna
| Serratolamna Temporal range: Cretaceous - Eocene | |
|---|---|
 | |
| Fossil teeth of Serratolamna gafsana from Khouribga (Morocco) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Superorder: | Selachimorpha |
| Order: | Lamniformes |
| Family: | Cretoxyrhinidae |
| Genus: | Serratolamna Landemaine 1991 |
Serratolamna is an extinct genus of mackerel sharks belonging to the family Cretoxyrhinidae.
These sharks lived during from the Cretaceous period to the Eocene epoch, approximately from 99.7 to 50.3 million years ago.[1]
Similar and related genera include Cretodus, Cretolamna, Cretoxyrhina, Dallasiella, Paraisurus, Plicatolamna.[1]
Species
Species within this genus include:[2]
- Serratolamna africana
- Serratolamna amonensis
- Serratolamna caraibaea
- Serratolamna gafsana White, 1926
- Serratolamna khderii
- Serratolamna lerichei (Casier, 1946)
- Serratolamna serrata (Agassiz 1843) [3]
Description
The fossils of Serratolamna mainly consist of teeth and scattered vertebrae. The teeth are asymmetrical with smooth crowns and multiple cusplets. The basal margin of the roots are V-shaped.[2]
Distribution
Fossils of species within this genus have been found in the Eocene sediments in United States and in the Cretaceous of France, Madagascar, Mexico, Morocco, Sweden and United States.[1]
See also
References
- 1 2 3 4 "Fossilworks: Serratolamna". fossilworks.org. Retrieved 2015-05-16.
- 1 2 "Gli squali fossili: Serratolamna". squali.com. Retrieved 2015-05-16.
- ↑ CHARLIE J.UNDERWOOD and SIMON F.MITCHELL Serratolamna serrata (Agassiz) (Pisces, Neoselachii) from the Maastrichtian (Late Cretaceous) of Jamaica
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