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Lamnidae
Great White Shark
Great White Shark
Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Chondrichthyes
Order Lamniformes
Family Lamnidae

Lamnidae is a family of sharks, commonly known as mackerel sharks or white sharks. They are large, fast-swimming sharks, found in oceans worldwide.

These sharks have pointed snouts, spindle-shaped bodies, and large gill openings. The first dorsal fin is large, high, stiff and angular or somewhat rounded. The second dorsal and anal fins are minute. The caudal peduncle has a couple or less distinct keels. The teeth are gigantic. The fifth gill opening is in front of the pectoral fin and spiracles are sometimes absent. They are heavily-built sharks, sometimes weighing nearly twice as much as sharks of comparable length from other families. Many in the family are among the fastest-swimming fish, although the massive Carcharodon are slower due to their great size.

Genera and Species

The family contains five living species in three genera:

Genus Carcharodon

Great White Shark, Carcharodon carcharias
†Megalodon, Carcharodon megalodon
†Carcharodon hubbelli

Geanus Isurus

Shortfin Mako Shark, Isurus oxyrinchus
Longfin Mako Shark, Isurus paucus
†Isurus retroflexusIsurus desoriIsurus escheriIsurus planusBroad-toothed Mako Shark, Isurus hastalis

Genus Lamna

Salmon Shark, Lamna ditropis
Porbeagle, Lamna nasus
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