Eunoe crassa is a scale worm described from off Punta Arenas, Chile in the South Pacific Ocean.Treadwell, Aaron L. 1924. A new marine annelid from Chile. Proceedings of the United States National Museum, 65(2536): 1–3.

Description Elytra 15 pairs (presumably). 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.

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