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