Supplanaxis

Supplanaxis is a genus of small sea snails, marine gastropod mollusks in the subfamily Planaxinae of the family Planaxidae.^[1]

Supplanaxis
Shell of Supplanaxis leyteensis (holotype at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Superfamily:	Cerithioidea
Family:	Planaxidae
Genus:	Supplanaxis Thiele, 1929
Type species
Buccinum nucleus Bruguière, 1789
Synonyms[1]
Planaxis (Proplanaxis) Thiele, 1929 Planaxis (Supplanaxis) Thiele, 1929

Species

Species within the genus Supplanaxis include:

• Supplanaxis acutus (Krauss, 1848)
• † Supplanaxis beaumonti (Bayan, 1870)
• Supplanaxis leyteensis Poppe, Tagaro & Stahlschmidt, 2015
• Supplanaxis nancyae (Petuch, 2013)
• Supplanaxis niger (Quoy & Gaimard, 1833)
• Supplanaxis nucleus (Bruguière, 1789)^[2]
• Supplanaxis obsoletus (Menke, 1851)
• Supplanaxis planicostatus (G. B. Sowerby I, 1825)

Species brought into synonymy

• Supplanaxis abbreviatus (Pease, 1865): synonym of Supplanaxis niger (Quoy & Gaimard, 1833)
• Supplanaxis acuta [sic] : synonym of Supplanaxis acutus (Krauss, 1848)