Hemifusus

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 John Swainson reads as follows: Unequally fusiform, the spire being shorter than aperture; shell ponderous, coronated with compressed spines; and internal and ascending canal at the top of aperture.

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