Serratolamna
Serratolamna Temporal range: [1]
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Fossil teeth of Serratolamna gafsana from Khouribga (Morocco) | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
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 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, , Paraisurus, .[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] Based on the size of its teeth, it appears Serratolamna grew no larger than 1.5 metres.[3]
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[]
- Prehistoric fish
References[]
- ^ a b c d "Fossilworks: Serratolamna". fossilworks.org. Retrieved 17 December 2021.
- ^ a b "Gli squali fossili: Serratolamna". squali.com. Retrieved 2015-05-16.
- ^ a b CHARLIE J.UNDERWOOD and SIMON F.MITCHELL Serratolamna serrata (Agassiz) (Pisces, Neoselachii) from the Maastrichtian (Late Cretaceous) of Jamaica
- Cretoxyrhinidae
- Late Cretaceous sharks
- Eocene sharks
- Paleocene sharks
- Fossils of France
- Fossils of Sweden
- Mooreville Chalk
- Fossil taxa described in 1991
- Prehistoric cartilaginous fish stubs