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In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that contacts the paraventral (lowermost) row of dorsal scales on either side. The anal scale is not counted. [1]
Scales in the central or throat region, which are in contact with the first ventral scales of a snake's body and are flanked by the chin shields, are called gular scales. The mental groove is a longitudinal groove on the underside of the head between the large, paired chin shields and continuing between the smaller gular scales.
The shape and arrangement of scales is used to identify snake species. The shape and number of scales on the head, back and belly are characteristic to family, genus and species. Scales have a nomenclature analogous to the position on the body. In "advanced" (Caenophidian) snakes, the broad belly scales and rows of dorsal scales correspond to ...
This category contains articles on snake scales. ... Ventral scales; Vertebral scales This page was last edited on 15 August 2015, at 01:11 (UTC). ...
The Narrow-banded burrowing snake has cream to white coloured ventral scales, of which there are 140-175, and 15-30 subcaudal scales of which are divided. [2] The anal scale is also divided. [ 2 ] The dorsal scales are brightly coloured with a pale reddish-brown to cream coloured background and black-tipped scales that form 50 or more narrow ...
A new snake species, the northern green anaconda, sits on a riverbank in the Amazon's Orinoco basin. “The size of these magnificent creatures was incredible," Fry said in a news release earlier ...
This internasal pair is either present or absent in species of Vermicella; (2) Number of black bands on the body and tail combined; (3) Number of ventral scales. The ventral scales are elongated, horizontal scales that occur on the belly of the snake up until the anal plate. After the anal plate, the scales are subcaudal scales. [3]
The head scales are made up of large plates much like those of the Colubridae, while the ventral scales are only slightly reduced. Pelvic vestiges are not present. [7] The dorsal color pattern is a reddish-brown, brown, or blackish color. The belly is an unpatterned whitish-gray. [8] The scales are highly iridescent. [7]