FAMILY : SPIRULIDAE
Nautilus macromphalus Sowerby, 1849

A broken Chambered Nautilus shell covered in Gooseneck barnacles found cast up on Brunswick
Heads beach. A rarer species than the more common Nautilus pompilus (below) and with a distribution restricted to the
southwestern Pacific Ocean, off north-eastern Australia, New Caledonia and Loyalty Islands.

© All images Copyright 2025 Denis Riek. All rights reserved.