Serratolamna

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 caraibaea
 * Serratolamna gafsana White, 1926
 * Serratolamna khderii
 * Serratolamna lerichei (Casier, 1946)
 * Serratolamna serrata (Agassiz, 1843)

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. 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, France, Madagascar, Mexico, Morocco, Sweden and United States.