Biology:Johnlonginae
From HandWiki
Short description: Extinct subfamily of sharks
| Johnlonginae | |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Subdivision: | Selachimorpha |
| Superorder: | Galeomorphii |
| 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.[1]
References
Wikidata ☰ Q21348218 entry
 |  |
