Hypermastus
# Hypermastus

Hypermastus is a genus of sea snails, marine gastropod mollusks in the family Eulimidae.

## Species

Species within this genus include the following:

* Hypermastus acutus (G. B. Sowerby I, 1834)
* Hypermastus araeosomae (Habe, 1992)
* Hypermastus auritae (Warén, 1991)
* Hypermastus boschorum (Warén, 1991)
* Hypermastus bulbulus (Murdoch & Suter, 1906)
* Hypermastus casta (A. Adams, 1861)
* Hypermastus colmani (Warén, 1991)
* Hypermastus coxi (Pilsbry, 1899)
* Hypermastus cylindricus (Sowerby III, 1900)
* Hypermastus echinocardiophilus (Habe, 1976)
* Hypermastus echinodisci (Warén, 1980)
* Hypermastus epeterion (Melvill, 1889)
* Hypermastus epiphanes (Melvill, 1897)
* Hypermastus georgiregis (Cotton & Godfrey, 1932)
* Hypermastus indistinctus (Thiele, 1925)
* Hypermastus kilburni (Warén, 1991)
* Hypermastus lacteus (A. Adams, 1864)
* Hypermastus mareticola (Warén & Norris, 1994)
* Hypermastus minor (Warén, 1991)
* Hypermastus mucronatus (Sowerby II, 1866)
* Hypermastus obliquistomum (Warén, 1991)
* Hypermastus orstomi (Warén, 1994)
* Hypermastus peronellicola (Kuroda & Habe, 1950)
* Hypermastus philippianus (Dunker, 1860)
* Hypermastus placentae (Warén & Crossland, 1991)
* Hypermastus productus (Sowerby III, 1894)
* Hypermastus pusillus (Sowerby I, 1834)
* Hypermastus randolphi (Vanatta, 1900)
* Hypermastus roemerianus Matsuda, Uyeno & Nagasawa, 2013
* Hypermastus rosa (Willett, 1944)
* Hypermastus ryukyeunsis (Matsuda, Uyeno & Nagasawa, 2010)
* Hypermastus sauliae (Warén, 1980)
* Hypermastus serratus (Warén, 1991)
* Hypermastus subula (A. Adams, 1864)
* Hypermastus tenuissimae (Warén, 1991)
* Hypermastus tokunagai (Yokoyama, 1922)
* Hypermastus williamsi (Cotton & Godfrey, 1932)

### Species brought into synonymy

* Hypermastus bountyensis (Powell, 1933): synonym of Pelseneeria bountyensis (Powell, 1933)
* Hypermastus bulbula (R. Murdoch & Suter, 1906): synonym of Hypermastus bulbulus (Murdoch & Suter, 1906)
* Hypermastus cookeanus (Bartsch, 1917): synonym of Stilapex cookeanus (Bartsch, 1917)
* Hypermastus dunkerianus (Pilsbry, 1901): synonym of Hypermastus philippiana (Dunker, 1860)
* Hypermastus lacteus (A. Adams, 1864): synonym of Melanella tanabensis Takano, Tanaka & Kano, 2019
* Hypermastus roemeriana Matsuda, Uyeno & Nagasawa, 2013 a: synonym of Hypermastus roemerianus Matsuda, Uyeno & Nagasawa, 2013
