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Varanidae
Varanidae is a family of lizards of the superfamily Varanoidea. The family, a group of carnivorous and frugivorous lizards, includes the extinct Megalania (the largest known lizard), the Komodo dragon (the largest living lizard), and the crocodile monitor. The Varanidae contain the living genus ''Varanus'' and a number of extinct taxa. Their closest living relatives are the anguid and helodermatid lizards.
==Taxonomy==
Varanidae was defined by Estes, de Queiroz and Gauthier (1988) as the clade containing the most recent common ancestor of ''Lanthanotus'' and ''Varanus'' and all of its descendants. A similar definition was formulated by Conrad ''et al.'' (2008), who defined Varanidae as the clade containing ''Varanus varius'', ''Lanthanotus borneensis'', and all descendants of their last common ancestor. Using one of these definitions leads to the inclusion of the earless monitor lizard (''Lanthanotus borneensis'') in the family Varanidae.
Lee (1997) created a different definition of Varanidae, defining it as the clade containing ''Varanus'' and all taxa more closely related to ''Varanus'' than to ''Lanthanotus''; this definition explicitly excludes the earless monitor lizard from Varanidae. Whether ''Lanthanotus borneensis'' is included in or excluded from Varanidae depends on the author: for example, Vidal ''et al.'' (2012) classify the earless monitor lizard as a member of a separate family Lanthanotidae, while Gauthier ''et al.'' (2012) classify it as a member of Varanidae.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Varanidae」の詳細全文を読む
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