Johnlonginae

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.[1]

Johnlonginae
Temporal range: Late Cretaceous
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Superorder: Selachimorpha
Order: Lamniformes
Family: Odontaspididae
Subfamily: โ€ Johnlonginae
Shimada, 2015
Genera

Johnlongia
Pseudomegachasma

References

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