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.

Phylum:Chordata
Class:Chondrichthyes
Subclass:Elasmobranchii
Division:Selachii
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Serratolamna
Temporal range: Late Cretaceous–Paleocene
Fossil teeth of Serratolamna gafsana from Khouribga (Morocco)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Division: Selachii
Order: Lamniformes
Family: †Serratolamnidae
Genus: †Serratolamna
Landemaine, 1991
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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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