Hemifusus is a genus of sea snails, marine gastropod molluscs in the family Melongenidae, the crown conches and their allies.

Description The type description of genus Hemifusus by English malacologist William Swainson reads as follows:

Species Species within the genus Hemifusus include: Hemifusus alfi Thach, 2021 Hemifusus boucheti Thach, 2017 † Hemifusus charlieleei Harzhauser, Raven & Landau, 2018 Hemifusus colosseus Lamarck, 1816 Hemifusus crassacauda Philippi, 1849 Hemifusus hitoshiikedai Thach, 2020 Hemifusus kawamurai Kira, 1965 Hemifusus schuetti Alf & Thach, 2021 Hemifusus treudei Alf & Thach, 2021 Hemifusus tuba Gmelin, 1791 Hemifusus vietnamensis Thach, 2023 Hemifusus yurikantori Thach, 2017 Species brought into synonymy Hemifusus crassicaudus Philippi, 1849: synonym of Hemifusus crassacauda (Philippi, 1849) Hemifusus elongatus Lamarck, 1822: synonym of Pugilina elongata Lamarck, 1822: synonym of Brunneifusus ternatanus Gmelin, 1791 Hemifusus ternatanus Gmelin, 1791: synonym of Brunneifusus ternatanus Gmelin, 1791 † Hemifusus washingtonianus Weaver, 1912: synonym of † Whitneyella washingtoniana Weaver, 1912 (original combination) Hemifusus zhangyii Kosuge, 2008: synonym of Pyrula elongata Lamarck, 1822: synonym of Brunneifusus ternatanus Gmelin, 1791

References This article incorporates public domain text from the reference. Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp

Dekkers A. (2018). Two new genera in the family Melongenidae from the Indo-Pacific and comments on the identity of Hemifusus zhangyii Kosuge, 2008 and Pyrula elongata Lamarck, 1822 (Gastropoda, Neogastropoda: Buccinoidea). Gloria Maris. 57(2): 40-50

External links Swainson, W. (1840). A treatise on malacology or shells and shell-fish. London, Longman. viii + 419 pp