Description of a new species of marginellid - Marginella stephmani nov. sp. occurring off the east coast of South Africa - Transkei area. - Family Marginellidae Fleming, 1828, sub-family Marginellinae, tribe Marginellini, genus Marginella Lamarck, 1799. Malacologia Mostra Mondiale, 77, ottobre 2012: 9-12. 9 [Zoological Record Volume 149]