monitor V. rasmusseni Rasmussen's water monitor V. salvator, Asian water monitor V. s. salvator, Sri Lankan water monitor V. s. andamanensis, Andaman water monitor V. s. bivittatus, two-striped water monitor, Javan water monitor V. s. macromaculatus, Southeast Asian water monitor V. s. ziegleri, Ziegler's water monitor V. samarensis, Samar water monitor V. togianus, Togian water monitor Subgenus Varanus: V. giganteus, perentie V. gouldii, Gould's monitor, sand monitor, sand goanna V. komodoensis, Komodo dragon V. mertensi, Mertens' monitor V. panoptes V. p. panoptes, Argus monitor V. p. horni, Horn's monitor V. p. rubidus, yellow-spotted monitor V. priscus, megalania V. rosenbergi, Rosenberg's monitor, heath monitor V. spenceri, Spencer's monitor V. varius, lace monitor References Further reading Merrem B (1820). Versuchs eines Systems der Amphibien: Tentamen Systematis Amphibiorum. Marburg: J.C. Krieger. xv + 191 pp. + one plate. (Varanus, new genus, p. 58). (in German and Latin). External links Western Australian Museum photos Scientific American article Extant Miocene first appearances Taxa named by Blasius Merrem