Varanus Merrem, 1820

Maryan, Brad, Oliver, Paul M., Fitch, Alison J. & O’Connell, Morgan, 2014, Molecular and morphological assessment of Varanus pilbarensis (Squamata: Varanidae), with a description of a new species from the southern Pilbara, Western Australia, Zootaxa 3768 (2), pp. 139-158 : 144

Varanus Merrem, 1820

Type species: Lacerta varia Shaw in: White, 1790 (= Varanus varius , by subsequent designation of Gray, 1827).

Diagnosis. The monotypic genus Varanus differs from all other squamate genera in possessing the following combination of character states: head long and flat, neck long; tongue long and forked, legs well developed, each with 5 strongly-clawed digits; tail long, gradually tapering, in cross section circular, rounded-triangular or laterally compressed; skin smooth to rough, somewhat loose-fitting; head covered by small juxtaposed polygonal scales and body and limbs by oblong or squarish, juxtaposed, non-glossy scales often bearing a low central keel.