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Varanus varius has the typical body built of a true monitor. True monitors are characterized by their wide skulls and strong jaws, with the nostrils cranially positioned on the sides of their snout. Their teeth are curved, serrated and concealed by thick lips, making them invisible even if their mouths are open.
The authors noted that the lizard has "short and wide skull, large orbits, elongated and robust lingual process, frontal with parallel margins, incipient prefrontal boss, reduced vomers, absent retroarticular process, low presacral vertebral count (between 15 and 17) and extremely short, curled tail"; the authors considered these traits to be ...
Agama atra male, showing the tympanum.Compare coloration with the picture of a female below Agama atra gravid female, note how coloration differs from male.. Agama (from Sranan Tongo meaning "lizard") is a genus of small-to-moderate-sized, long-tailed, insectivorous Old World lizards.
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.
In many cases the cast skin peels backward over the body from head to tail, in one piece like an old sock. A new, larger, and brighter layer of skin has formed underneath. [ 5 ] [ 7 ] An older snake may shed its skin only once or twice a year, but a younger snake that is still growing may shed up to four times a year.
It was a small, lizard-like animal, about 20 to 30 centimetres (7.9 to 11.8 in) long, with numerous sharp teeth indicating an insectivorous diet. [40] Other examples include Westlothiana (for the moment considered a reptiliomorph rather than a true amniote ) [ 41 ] and Paleothyris , both of similar build and presumably similar habit.
They are characterized by their tall heads and nostrils positioned close to their eyes. Their jaws are short and equipped with round, thick teeth. They have long necks and muscular tails, like all monitors do. [2] Varanus albigularis has the typical body build of an African monitor. African monitors produced the two largest species of monitors ...
Diagram of a prawn, with the carapace highlighted in red. A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises.