Eunoe alvinella is a scale worm described from a specimen collected at a depth of 2725 m on the East Pacific Rise.
Number of segments 34; elytra 15 pairs. No distinct pigmentation pattern. Anterior margin of prostomium rounded. Lateral antennae inserted ventrally (beneath prostomium and median antenna). Notochaetae distinctly thicker than neurochaetae. Bidentate neurochaetae absent.