Ophryotrocha spatula Fournier & Conlan, 1994

Synonyms:
No synonyms.

Distinguishing characteristics
Dorsum of posterior segments laterally expanded into broad, spatulate flange.

Species description
Body with 25-43 chaetigers. Prostomium rounded in front. Dorsally with a pair of short ovate antennae and 2 palps. Peristomium with 2 achaetous and apodus rings. Parapodia with both dorsal and ventral cirri. Simple chaetae unidentate with very finely serrated edges and compound chaetae with pointed serrated blades. Dorsum of posterior 5-12 segments laterally expanded into broad, spatulate flange. Mandibles rod-shaped with jagged bifid leading edge. Pygidium flattened with 2 ovate anal cirri inserted ventrally.

Size
1.3–6 mm long.

Color
In alcohol opaque white.

Habitat
7–15 m, 840–865 m.

Mobility
Mobile.

Feeding
Carnivore.

Life cycle

Distribution
Canadian Arctic, Barents Sea slope.