Sabellaria alcocki

 Sabellaria alcocki   is a species of bristle worm described by Charles Joseph Gravier in 1906 and named in honour of Alfred William Alcock.

"Sabellaria spinulosa and S. alcocki are smaller than S. alveolata and inhabit the subtidal and lower intertidal/sublittoral fringes. Sabellaria spinulosa has been described from the North Sea (Leuckart 1849) and S. alcocki from the Indian Ocean (Gravier 1906)."

 Sabellaria alcocki  is included in the genus  Sabellaria  and family Sabellariidae. No subspecies are listed in Catalogue of Life.