Somewhere between 200 and 3,000 metres below the surface of the Coral Sea, in canyons and on seamounts that had never been sampled with modern gear, more than 110 species were waiting to be found.
Echinoderms are a phylum of exclusively marine deuterostome invertebrates characterized by pentaradial symmetry in adults, a calcareous endoskeleton composed of ossicles, and a unique water vascular ...