Scientists find hidden "chainmail" that shapes ancient Australian lizards' evolution

Osteoderms, familiar in crocodiles, armadillos and some dinosaurs, but rare in lizards, are now known to occur in nearly half of all lizard species, an 85 percent increase over previous estimates,

Australian goannas adapted remarkably well to harsh climates. Scientists looking for hidden bone structures in lizards may be a step closer to learning why.

(Source: www.unilad.com)

(Source: www.australiangeographic.com.au)

(Source: www.cnn.com)