Serratolamna
Extinct genus of sharks From Wikipedia, the free encyclopedia
Serratolamna is an extinct genus of mackerel sharks that is placed in the monotypic family Serratolamnidae.
| Serratolamna Temporal range: | |
|---|---|
| |
| Fossil teeth of Serratolamna gafsana from Khouribga (Morocco) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Division: | Selachii |
| Order: | Lamniformes |
| Family: | †Serratolamnidae |
| Genus: | †Serratolamna Landemaine, 1991 |
Species
Species within this genus include:[1]
- Serratolamna africana
- Serratolamna amonensis
- Serratolamna aschersoni
- Serratolamna caraibaea
- Serratolamna gafsana White, 1926
- Serratolamna khderii
- Serratolamna lerichei (Casier, 1946)
- Serratolamna serrata (Agassiz, 1843) [2]
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.[1] Based on the size of its teeth, it appears Serratolamna grew no larger than 1.5 metres.[2]
Distribution
Fossils of species within this genus have been found in Late Cretaceous of Cuba,[3] France, Madagascar, Mexico, Morocco, Sweden and United States.[4]
See also
References
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