Murex tenuirostrum is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Subspecies Murex tenuirostrum africanus Ponder & E. H. Vokes, 1988: synonym of Murex africanus Ponder & E. H. Vokes, 1988
Distribution This marine species occurs off Papua New Guinea.
References