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When counting dorsal scales, numbers are often given for three points along the body, for example 19:21:17. These numbers correspond to the number of dorsal scales around the body at a head's length behind the head, at midbody and at a head's length before the vent. If only one number is given, it is for the midbody count. [1] Dorsal scale are ...
The scales on the body of the snake are called the dorsal or costal scales. Sometimes there is a special row of large scales along the top of the back of the snake, i.e., the uppermost row, called the vertebral scales.
This snake grows to an average of about .5 to 1 m. A fossorial species, the head is wedge-shaped and narrow with little neck delineation, which makes it easy to push through the soil. Its most defining characteristic is its iridescent, highly polished scales that give this snake its common name (sunbeam snake). The dorsal scales a layer of dark ...
The scales may be ossified or tubercular, as in the case of lizards, or modified elaborately, as in the case of snakes. [1] The scales on the top of lizard and snake heads has also been called pileus, after the Latin word for cap, referring to the fact that these scales sit on the skull like a cap. [2]
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 ...
In snakes, the paraventral scales are the longitudinal rows of dorsal scales that contact the ventral scales. These are the first rows of dorsal scales on either side of the body and are usually slightly larger than the scales located more dorsally. In species that have mostly keeled scales, the paraventrals are usually smooth or only weakly ...
Dorsal scales smooth, without apical pits, in 19 rows. Ventrals 266–278; anal divided; subcaudals 56–64. Blackish above, with white transverse bands, which widen towards the abdomen. These bands are very narrow in the typical form, wider in the var. dayana, but constantly much narrower than the black interspaces. Some white spots on the head.
The dorsal scales are arranged in more than 30 rows around the body, and at least some of these are keeled, albeit faintly. All species lack subocular scales. [4] Each of the ten or so species can be further distinguished based on subtle characteristics, such as color markings, scale nuances, and geographic range. [4]