Hemifusus
# 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 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 Lenifusus elongatus (Lamarck, 1822)
* 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 Lenifusus elongatus (Lamarck, 1822)
