Serratolamna Temporal range:
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Fossil teeth of Serratolamna gafsana from Khouribga (Morocco) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Subdivision: | Selachimorpha |
Order: | Lamniformes |
Family: | †Serratolamnidae |
Genus: | †Serratolamna Landemaine, 1991 |
Serratolamna is an extinct genus of mackerel sharks that is placed in the monotypic family Serratolamnidae.
Species within this genus include:[1]
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]
Fossils of species within this genus have been found in Late Cretaceous of Cuba,[3] France, Madagascar, Mexico, Morocco, Sweden and United States.[4]