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Lamnidae

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Title: Lamnidae  
Author: World Heritage Encyclopedia
Language: English
Subject: Lamniformes, Great white shark, Longfin mako shark, Porbeagle, Lamna
Collection: Lamnidae, Late Cretaceous First Appearances, Ovoviviparous Fish
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Lamnidae

Mackerel sharks
Temporal range: Upper Cretaceous–Recent
Є
O
S
D
C
P
T
J
K
Pg
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[1]
Great white shark
Carcharodon carcharias
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Superorder: Selachimorpha
Order: Lamniformes
Family: Lamnidae
J. P. Müller and Henle, 1838
Genera

Carcharodon
Isurus
Lamna

Lamnidae is a family of sharks, commonly known as mackerel sharks or white sharks. They are large, fast-swimming sharks, found in oceans worldwide. The name of the family is formed from the Greek word, lamna, which means fish of prey, and was derived from the Greek legendary creature, the Lamia.[2]

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 sharks in the family are among the fastest-swimming fish, although the massive Carcharodon is slower due to its great size.

Genera and species

The family contains five living species in three genera and the following selected extinct genera and species:[1]

See also

References

  1. ^ a b Froese, Rainer, and Daniel Pauly, eds. (2009). "Lamnidae" in FishBase. January 2009 version.
  2. ^ ISBN 9781258302863: A source-book of biological names and terms, 1944, Edmund Carroll Jaeger
  • Froese, Rainer, and Daniel Pauly, eds. (2006). "Lamnidae" in FishBase. March 2006 version.
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