Pristimantis inguinalis Pristimantis inguinalis Pristimantis inguinalis is a species of frog in the family Craugastoridae. It is found in Guyana, Suriname, French Guiana, and northern Brazil (Amapá state). The type locality is "the New River, British Guiana", in the disputed area claimed by both Guyana and Suriname. Common names New River robber frog and New River South American rain frog have been coined for it. Adult males measure on average in snout–vent length. Specimens from French Guiana have light brown dorsal surface with large brownish black markings. The marking behind the head is W-shaped, and another is a chevron. Supralabial bars are
White-fronted manakin north of the Amazon River. The species is not found south of the Amazon River into the southeast Amazon Basin. The contiguous range in the Guianas, in the east encompasses all of French Guiana, and in the center country of Suriname, divides the country diagonally, being found in the southeast parts bordering French Guiana. Some disjunct locale areas of Guyana besides the southeast continuous range occur in Guyana's southwest at the headwaters of the Essequibo River and the Guiana Shield. This bird has a very wide range, is fairly common and is presumed to have a large total population. The