Rhizoprionodon

Rhizoprionodon Temporal range: 53–0 Ma PreЄ Є O S D C P T J K Pg N Early Eocene to Present
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
Synonyms
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.