I typed in as follows:
Water dragon "latin name" -came up as Physignathus
Leopard gecko "latin name" -came up Eublepharis Macularius
Bearded Dragon "latin name" - Pagona vitticeps

You also didn’t specify what you wanted to know...it depends on what your looking for... family, genus, species? It only took me a minute or two to look them up, so give it a try.

varanus exanthematicus- savanna monitor

V. niloticus- nile monitor

V. acanthuras acanthuras- red ackie

V. acanthuras brochyuras- yellow ackie

V. acanthuras insulanicus- forgot common name, but it is an ackie

V. idicus- mangrove monitor

V. jobiensis- peach throat monitor

V. doreanus- blue tail monitor

V. salvator- water monitor

V. albigularis- white or black throat monitor

V. timorensis- timor monitor

V. auffenbergi- blue spot timor monitor

V. beccari- black tree monitor

V. prasinus- green or emerald tree monitor

V. macraei- blue tree monitor

V. bohmei- yellow spotted tree monitor

V. salvadorii- crocodile monitor

V. panoptes hornii- argus monitor, much debate over the scientific names of the entire gouldii complex

V. gouldii- gould’s monitor

V. flavirufus- sand monitor

V. griseus- desert monitor

V rosenbergi- rosenberg’s goanna

V. varius- lace monitor

V. giganteus- perentie

V. storii- storr’s monitor

V. glauerti- kimberly rock monitor

V. pilbarensis- plibara rock monitor

V. melinus- yellow monitor

V. breivcauda- short tailed goanna

V. mertensi- merten’s water monitor

V. eremius- desert pygmy monitor

V. tristis tristis- black headed monitor

V. tristis oreientalis- freckled monitor

V. semiremex- rusy’s goanna

V. komodoensis- komodo monitor

V. rudicolis- black rough neck monitor

V. dumerelii- brown rough neck or dumerils monitor