Rhizoprionodon
Encyclopedia
Rhizoprionodon is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of requiem shark
Requiem shark
Requiem sharks are a family, Carcharhinidae, of sharks in the order Carcharhiniformes, containing migratory, live-bearing sharks of warm seas such as the tiger shark, the blue shark, the bull shark, and the milk shark.The name may be related to the French word for shark, "requin", itself of...

s, family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Carcharhinidae, commonly known as sharpnose sharks because of their long, pointed snouts.

Species

  • Rhizoprionodon acutus (Rüppell
    Eduard Rüppell
    Wilhelm Peter Eduard Simon Rüppell was a German naturalist and explorer. Rüppell is occasionally transliterated to "Rueppell" for the English alphabet....

    , 1837)
    (Milk shark)
  • Rhizoprionodon lalandii (J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1839)
    (Brazilian sharpnose shark)
  • Rhizoprionodon longurio (D. S. Jordan
    David Starr Jordan
    David Starr Jordan, Ph.D., LL.D. was a leading eugenicist, ichthyologist, educator and peace activist. He was president of Indiana University and Stanford University.-Early life and education:...

     & C. H. Gilbert
    Charles Henry Gilbert
    Charles Henry Gilbert was a pioneer ichthyologist and fishery biologist of particular significance to natural history of the western United States. He collected and studied fishes from Central America north to Alaska and described many new species...

    , 1882)
    (Pacific sharpnose shark)
  • Rhizoprionodon oligolinx V. G. Springer, 1964 (Grey sharpnose shark)
  • Rhizoprionodon porosus (Poey, 1861) (Caribbean sharpnose shark)
  • Rhizoprionodon taylori (Ogilby
    James Douglas Ogilby
    James Douglas Ogilby was an Australian ichthyologist.Ogilby was born in Belfast, Ireland, and was the son of zoologist William Ogilby. He received his education at Winchester College, England, and Trinity College, Dublin.Ogilby worked for the British Museum before joining the Australian Museum in...

    , 1915)
    (Australian sharpnose shark)
  • Rhizoprionodon terraenovae (J. Richardson
    John Richardson (naturalist)
    Sir John Richardson was a Scottish naval surgeon, naturalist and arctic explorer.Richardson was born at Dumfries. He studied medicine at Edinburgh University, and became a surgeon in the navy in 1807. He traveled with John Franklin in search of the Northwest Passage on the Coppermine Expedition of...

    , 1836)
    (Atlantic sharpnose shark)
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