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Genus Hastulopsis Oyama, 1961 (Fig. 10B) Type species: Terebra melanacme E. A. Smith, 1873; OD. Diagnosis: Shell small to medium-sized (to 60 mm), shiny, faintly axially ribbed, with numerous fine spiral incisions. Subsutural band generally not spirally decorated, bordered by relatively deep incision (Terryn, 2007). Distribution: Indian and western Pacific Oceans. Remarks: The genus comprises two groups of shallow-water species, one found from the eastern coast of Africa to the Arabian Gulf and another in waters of mainland Japan to Australia. Similar, but deeper-water species are found in the genus Maculauger n. gen., most of which can be recognized by having a row of large spots on the periphery. The species of Myurella have much stronger and more distinct sculpture features, and generally a brown basal area. Included species: Hastulopsis baliensis Terryn & Dekker, 20174; H. blanda (Deshayes, 1859) 4; H. cebuensis Gargiulo, 20144; H. elialae (Aubry, 1994) 4; H. gotoensis (E. A. Smith, 1879) 4; H. loisae (E. A. Smith, 1903) 4; H. maestratii Terryn & Rosado, 20114; H. marmorata (Deshayes, 1859) 4; H. masirahensis Terryn & Rosado, 20164; H. melanacme (E. A. Smith, 1873) 4; H. mirbatensis Terryn & Rosado, 20164; H. suspensa (E. A. Smith, 1904) 4; H. whiteheadae (Aubry & Marquet, 1995) 4., Published as part of Fedosov, Alexander E, Malcolm, Gavin, Terryn, Yves, Gorson, Juliette, Modica, Maria Vittoria, Holford, Mandë & Puillandre, Nicolas, 2019, Phylogenetic classification of the family Terebridae (Neogastropoda: Conoidea), pp. 359-388 in Journal of Molluscan Studies The Malacological Society of London 85 (4) on page 21, DOI: 10.1093/mollus/eyz004, http://zenodo.org/record/4469844, {"references":["OYAMA, K. 1961. On some new facts of the taxonomy of Terebridae. Venus, 21: 176 - 189.","TERRYN, Y. 2007. A collectors' guide to Recent Terebridae (Mollusca: Neogastropoda). Conchbooks, Hackenheim."]}