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The black rough-necked monitor (V. rudicollis) was previously in the closely related subgenus Empagusia, but genomic analyses show it is actually the basalmost member of Soterosaurus, having split from the V. salvator species complex (which is composed of all the other Southeast Asian water monitor species) 14 million years ago during the middle Miocene.
Skulls of various varanoids A baby monitor lizard rests in the crevice of a tree. Monitor lizards are lizards in the genus Varanus, the only extant genus in the family Varanidae. They are native to Africa, Asia, and Oceania, and one species is also found in the Americas as an invasive species. [1] About 80 species are recognized.
The crocodile monitor (Varanus salvadorii), also known as the Papuan monitor or Salvadori's monitor, is a species of monitor lizard endemic to New Guinea. It is the largest monitor lizard in New Guinea and is one of the longest lizards , verified at up to 255 cm (100 in).
It is verified that like all monitors or possibly all lizards, true monitors have special glands in their jaws, which is almost certainly a homologous feature for these reptiles. However, not all agree that these can be called venom glands, especially since the effect of them are too mild for prey to most lizard and especially true monitors ...
Varanoidea is a superfamily of lizards, including the well-known family Varanidae (the monitors and goannas). Also included in the Varanoidea are the Lanthanotidae (earless monitor lizards), and the extinct Palaeovaranidae. Throughout their long evolutionary history, varanoids have exhibited great diversity, both in habitat and form.
Nile monitors usually measure 1 m (3 ft 3 in) in length and weighs around 5 kg (11 lb), with exceptionally large specimens exceeding 2.4 m (7 ft 10 in) in length and 20 kg (44 lb) in mass, making it not only the fourth largest lizard after the Komodo dragon, Asian water monitor and crocodile monitor, but also the second largest reptile in the ...
The Varanidae are a family of lizards in the superfamily Varanoidea and order Anguimorpha.The family, a group of carnivorous and frugivorous lizards, [1] includes the living genus Varanus and a number of extinct genera more closely related to Varanus than to the earless monitor lizard (Lanthanotus). [2]
The clouded monitor (Varanus nebulosus) is a species of monitor lizard, native to Myanmar, Thailand and Indochina to West Malaysia, Singapore, Java, Sumatra, and Vietnam. They are excellent tree climbers. It belongs to the subgenus Empagusia along with the Bengal monitor, the Dumeril's monitor and other monitor lizards. [3]