Serratolamna Explained

Serratolamna is an extinct genus of mackerel sharks that is placed in the monotypic family Serratolamnidae.

Species

Species within this genus include:

• Serratolamna africana
• Serratolamna amonensis
• Serratolamna aschersoni
• Serratolamna caraibaea
• Serratolamna gafsana White, 1926
• Serratolamna khderii
• Serratolamna lerichei (Casier, 1946)
• Serratolamna serrata (Agassiz, 1843) ^[1]

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.

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

• Prehistoric fish

Notes and References

1. Underwood . Charlie J. . Mitchell . S. F. . Serratolamna serrata (Agassiz) (Pisces, Neoselachii) from the Maastrichtian (Late Cretaceous) of Jamaica . Caribbean Journal of Earth Science . 2000 . 34 . 25–30 .
2. Web site: Gli squali fossili: Serratolamna . squali.com. 2015-05-16.
3. Ceballos-Izquierdo . Yasmani . Viñola-López . Lázaro W. . Borges-Sellén . Carlos Rafael . Arano-Ruiz . Alberto F. . Late Cretaceous sharks from Cuba, first record of Serratolamna serrata (Agassiz) (Lamniformes, Serratolamnidae) . Geobios . April 2021 . 65 . 1–6 . 10.1016/j.geobios.2021.01.002 . 2021Geobi..65....1C .
4. Web site: Fossilworks: Serratolamna . 17 December 2021 . fossilworks.org.