Pseudophryotrocha gracilis Hilbig & Blake, 1991

Hilbig, Brigitte and Blake, J. A. 1991. Dorvilleidae (Annelida: Polychaeta) from the U. S. Atlantic slope and rise. Description of two new genera and 14 new species, with generic revision of Ophryotrocha. Zoologica Scripta, 20(2): 147-183.