Varanus gilleni is the scientific name of the Gillen's Monitor (A.K.A. Mulga monitor)
Varanus komodoensis If by scientific name you mean latin name, then it is Varanus Komodoensis
Varanus timorensis was created in 1831.
Varanus bitatawa was created in 2010.
Varanus palawanensis was created in 2010.
Varanus albigularis was created in 1802.
Varanus kordensis was created in 1874.
Varanus indicus was created in 1802.
Varanus lirungensis was created in 2009.
Varanus obor was created in 2010.
Varanus Komodoensis
Varanus giganteus.
The scientific name of monitor lizards is Varanus.