Gemmula monilifera

The length of the shell varies between 10 mm and 30 mm.

This marine species occurs in the Red Sea, in the Indian Ocean off Durban, South Africa; off Hawaii; off Papua New Guinea and Western Australia

• Pease, W.H. 1861. Descriptions of seventeen new species of marine shells from the Sandwich Islands, in the collection of Hugh Cuming. Proceedings of the Zoological Society of London 28: 397-400
• Weinkauff, H.C. 1875. Ueber eine kritische gruppe des genus Pleurotoma Lam. sensu stricto. Jahrbücher der Deutschen Malakozoologischen Gesellschaft 1875: 285–292
• Paetel 1887. Catalog der Conchylien-Sammlung. I. Die Cephalopoden, Pteropoden und Meeres-Gastropoden. Berlin, Verlag von Gerbrüder Paetel. Berlin : Verlag von Gerbrüder Paetel pp. 1–16, 1–639.
• Iredale, T. 1931. Australian molluscan notes. No. 1. Records of the Australian Museum 18(4): 201–235, pls xxii–xxv
• Tinker (1952), Pacific Sea Shells, p. 46, p1. 1; A handbook of common marine mollusks of Hawaii and the south seas. Tokyo : Tuttle 240 pp.
• Powell, A.W.B. 1964. The Family Turridae in the Indo-Pacific. Part 1. The Subfamily Turrinae. Indo-Pacific Mollusca 1: 227-346
• Kosuge, S. 1990. Report on the family Turridae collected along the north-western coast of Australia. Bulletin of the Institute of Malacology, Tokyo 2(9): 149–156, pls 54, 55
• Steyn, D.G. & Lussi, M. (1998) Marine Shells of South Africa. An Illustrated Collector's Guide to Beached Shells. Ekogilde Publishers, Hartebeespoort, South Africa, ii + 264 pp

• Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1-1295.

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