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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  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Lamniformes |
| Family: | †Pseudoscapanorhynchidae |
| Genus: | †Protolamna Cappetta, 1985 |
| Type species | |
| Protolamna sokolovi Cappetta 1980 | |
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)
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