Rhizoprionodon is a genus of requiem sharks, and part of the family Carcharhinidae, commonly known as sharpnose sharks because of their long, pointed snouts. 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 shark) Rhizoprionodon taylori (Ogilby, 1915) (Australian sharpnose shark) Rhizoprionodon terraenovae (J. Richardson, 1836) (Atlantic sharpnose shark)
