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: | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Superorder: | Selachimorpha |
| Order: | Lamniformes |
| Family: | Odontaspididae |
| Subfamily: | †Johnlonginae Shimada, 2015 |
| Genera | |
References
- "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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