Protolamna
Extinct genus of sharks
From Wikipedia, the free encyclopedia
Protolamna is an extinct genus of mackerel shark from the Cretaceous Period.[1] The genus is known from Europe, Asia and North America.[2]
| Protolamna | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Division: | Selachii |
| Order: | Lamniformes |
| Family: | †Pseudoscapanorhynchidae |
| Genus: | †Protolamna Cappetta, 1985 |
| Type species | |
| Protolamna sokolovi Cappetta 1980 | |
Species
Seven species are currently attributed to this genus, including the following:[1]
- P. borodini (Maastrichtian, New Jersey)
- P. carteri (Cenomanian, Texas)
- P. compressidens (Turonian-Coniacian, Belgium, France, Texas)
- P. gigantea (Cenomanian, Minnesota)
- P. ricaurtei (Barremian-Aptian Paja Formation, Colombia)[3]
- P. roanokeensis (Albian, Texas)
- P. sokolovi (Aptian-Albian, Russia)