Image: Opalised stegosaurid ulna

Opalised stegosaurid ulna

Stegosaurid ulna (forearm bone), opalised fossil. Lightning Ridge, about 110 million years old.

Photographer:
Robert Jones
Rights:
© Australian Museum

Last Updated:

Tags opalised, fossils, stegosaurs, arm bone, mineralised, opals, Lightning Ridge, NSW,