Eunoe abyssorum is a scale worm first described in 1885. The type locality is in the Great Australian Bight, which is south of mainland Australia.
Number of segments 35âÂÂ40; elytra 15 pairs. Violet-coloured prostomium. Anterior margin of prostomium with an acute anterior projection. Lateral antennae inserted ventrally (beneath prostomium and median antenna). Notochaetae distinctly thicker than neurochaetae. Bidentate neurochaetae absent.