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Species identification using scales requires a fair degree of knowledge about snakes, their taxonomy, snake-scale nomenclature as well as familiarity with and access to scientific literature. Distinguishing by using scale diagrams whether a snake is venomous or not in the field cannot be done in the case of uncaught specimens.
Keeled scales of a colubrid snake (banded water snake; Nerodia fasciata) In zoology, a scale (Ancient Greek: λεπίς, romanized: lepís; Latin: squāma) is a small rigid plate that grows out of an animal's skin to provide protection. In lepidopterans (butterflies and moths), scales are plates on the surface of the insect wing, and provide ...
Squamata (/ s k w æ ˈ m eɪ t ə /, Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes.With over 12,162 species, [3] it is also the second-largest order of extant (living) vertebrates, after the perciform fish.
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In snakes, the subcaudal scales are the enlarged plates on the underside of the tail. [1] These scales may be either single or divided (paired) ...
Dorsal scales on a banded krait, Bungarus fasciatus. In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. [1] When counting dorsal scales, numbers are often given for three points along the body, for example 19:21:17.
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Nomenclature of scales (top view of head) Parietal scales are the scales of a snake located on the snake's head and are connected to the frontals towards the posterior. [1] These plate-like scales are analogous to and take their name from the parietal bone, which forms the roof and sides of the cranium in humans.