Serratolamna

Serratolamna
Temporal range: Late Cretaceous–Paleocene
Fossil teeth of Serratolamna gafsana from Khouribga (Morocco)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
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

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

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


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