Genus Macrobrachium Bate, 1868

Macrobrachium Bate, 1868: 363

Macrobrachium, Holthuis, 1952: 10 .— Chace & Hobbs, 1969: 89.— Rodríguez, 1980: 113.— Williams, 1984: 66.— Melo, 2003: 334.

(For detailed synonymy refer to Holthuis, 1952, and Holthuis, 1993).

Diagnosis. Rostrum well developed, compressed with teeth on upper and lower margins; carapace with antennal and hepatic spines; branchiostegal groove present; telson with two pairs of spines dorsally, and two pair of spines on posterior margin; mandible with three-joint palp; dactylus of the last three pairs of pereopods simple.

Type species. Macrobrachium americanum Bate, 1868 .