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Temporal range: 53–0 Ma[1]
Early Eocene to Present
Rhizoprionodon acutus mangalore.jpg
Milk shark (R. acutus)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Superorder: Selachimorpha
Order: Carcharhiniformes
Family: Carcharhinidae
Genus: Rhizoprionodon
Whitley, 1929
Type species
Carcharias (Scoliodon) crenidens
Klunzinger, 1879
  • Protozygaena Whitley, 1940
  • Rhizoprion Ogilby, 1915

Rhizoprionodon is a genus of requiem sharks, and part of the family Carcharhinidae, commonly known as sharpnose sharks because of their long, pointed snouts.


See also[edit]


  1. ^ Carrier, J.C., J.A. Musick and M.R. Heithaus, eds. (2004). Biology of Sharks and Their Relatives. CRC Press. pp. 52–53. ISBN 0-8493-1514-X.