Cerianthus sp.
Actiniaria
Found associated with: Cirsotrema cf multiperforata, Epitonium aculeatum.

Photograph by: A. Gittenberger

Characterization (by Bas Kokshoorn): Oral disc less than 5 cm in diameter, short (< 5 cm) tentacles around mouth. Tentacles along the edge of the oral disc 5-10 cm in length, acute tip. Stem made of mucous and sand.