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Other names for this species include fish shark, grey dog shark, little blue shark, Longmans dogshark, milk dog shark, sharp-nosed (milk) shark, Walbeehm's sharp-nosed shark, and white-eye shark. [4] A 1992 phylogenetic analysis by Gavin Naylor, based on allozymes , found that the milk shark is the most basal of the four Rhizoprionodon species ...
Rhizoprionodon acutus (Rüppell, 1837) (milk shark) Rhizoprionodon lalandii (J. P. Müller & Henle, 1839) (Brazilian sharpnose shark) Rhizoprionodon longurio (D. S. Jordan & C. H. Gilbert, 1882) (Pacific sharpnose shark) Rhizoprionodon oligolinx V. G. Springer, 1964 (grey sharpnose shark) Rhizoprionodon porosus (Poey, 1861) (Caribbean sharpnose ...
Identification of the 8 extant shark orders. Shark is the naming term of all members of Selachimorpha suborder in the subclass Elasmobranchii, in the class Chondrichthyes.The Elasmobranchii also include rays and skates; the Chondrichthyes also include Chimaeras.
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Read more:Ocean images may be first of newborn great white shark in the wild. His photos come months after a UC Riverside researcher and a filmmaker captured, in the water off Santa Barbara, what ...
LeeBeth, a 14-foot, 2,600-pound great white shark, was caught in December at Hilton Head and outfitted with a GPS transmitter. Her last known location was 20 miles south of Gulfport, Mississippi ...
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The only fossil records of the cow shark consist of mainly only isolated teeth. Although skeletal remains for this species have been found from the Jurassic time period, these have been very rare and have only been found in the "Late Jurassic lithographic limestones of South Germany, Nusplingen, Solnhofen, and late Cretaceous calcareous sediments of Lebanon."