Gibbs, P. E. (1987). A new species of Phascolosoma (Sipuncula) associated with a decaying whale's skull trawled at 880 m depth in the South-west Pacific. New Zealand Journal of Zoology. 14(1): 135-137.
Based on a large collection of specimens associated with a decaying whale's skull trawled from 880 m depth in the South-west Pacific off Chatham Island, a new species belonging to the genus Phascolosoma (Sipuncula) is described. The presence of oil droplets within the gut suggests these sipunculans were saprophagic, the first evidence of such a habit within the phylum