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Johnlonginae

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Extinct subfamily of sharks

Johnlonginae
Temporal range: Late Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Superorder: Galeomorphii
Order: Lamniformes
Family: Odontaspididae
Subfamily: †Johnlonginae
Shimada, 2015
Genera

Johnlongia
Pseudomegachasma

Johnlonginae is an extinct subfamily of sand shark with two genera: Johnlongia and Pseudomegachasma. The latter genus is thought to have evolved from former. They are among the older sand sharks, and are only known from the Cretaceous period.

References

  1. "SHIMADA, K. & POPOV, E.V. & SIVERSSON, M. & WELTON, B.J. & LONG, D.L. (2015) | Literature | Shark-References". shark-references.com. Retrieved 2016-05-08.


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