Squamata: Agamidae
Ctenophorus femoralis
How long is the tail of a Long-tailed Sand Dragon? Never-ending.
Harrold Cogger states that it is about 280% of the snout-vent length.*
*Cogger, Harrold G (2014). Reptiles & Amphibians of Australia 7th Ed. CSIRO Publishing, p.710.