Chironius laurenti

Chironius laurenti in the Pantanal (Brazil )

Chironius laurenti is a family of snakes ( Colubridae ) associated with non-toxic snake. It occurs in Bolivia and Brazil.

Features

The oldest known male and female specimens had an overall length of 2.15 and 1.78 meters. The head (top, sides, upper part of the Rostralschilds and upper part of the upper lip shield ) of adults is olive color, grayish or gray - brown. There are 32 to 36 maxillary teeth present.

The upper ( dorsal) coloring varies between grayish, gray - olive, brown -olive brown and olive color. The rear end of the dorsum is usually greyish, whereas the anterior two-thirds of the body and tail are brownish in color. The Subcaudalia are uniformly yellow. In males 2-10 scale rows are present in females and 2-6 in the middle of the body up to 12 Ventralia it has between 163 and 181 In females, a longitudinal ridge is present on the back.

Subadult and some adults have indistinct whitish transverse bands, which represent remnants of the juvenile patterning on the body and tail.

Habitat

The well-known habitat extends over Beni, Cochabamba and Santa Cruz in Bolivia and Mato Grosso in Brazil.

System

Chironius laurenti belongs to the genus Chironius in the subfamily of the Colubridae family Colubrinae. Was first described the species in 1993 by herpetologist James R. Dixon, John A. Wiest and José M. Cei. The type comes from the Río Mamoré in Beni. The species is named after the Belgian herpetologist Raymond Laurent.