Serratolamna

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Serratolamna
Temporal range: Cretaceous - Eocene [1]
Cretoxyrhinidae - Serratolamns gasfana.JPG
Fossil teeth of Serratolamna gafsana from Khouribga (Morocco)
Scientific classification e
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[]

  1. ^ a b c d "Fossilworks: Serratolamna". fossilworks.org. Retrieved 17 December 2021.
  2. ^ a b "Gli squali fossili: Serratolamna". squali.com. Retrieved 2015-05-16.
  3. ^ a b CHARLIE J.UNDERWOOD and SIMON F.MITCHELL Serratolamna serrata (Agassiz) (Pisces, Neoselachii) from the Maastrichtian (Late Cretaceous) of Jamaica


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