Cylichnium

This article is about a genus of snails. For the genus of plants, see Gaudinia.

Cylichnium is a genus of very small sea snails, unassigned in a family in the order Cephalaspidea (bubble snails).^[1][3]

Cylichnium
Shell of Cylichnium mucronatum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Cephalaspidea
Genus:	Cylichnium Dall, 1908
Type species
Utriculus domitus Dall, 1889
Synonyms[1]
Cylichnella (Cylichnium) Dall, 1908[2] Volvulopsis Schepman, 1913

Species

• Cylichnium africanum (Locard, 1897)
• Cylichnium ancillarioides (Schepman, 1913)
• Cylichnium chinense (G.-Y. Lin & W.-L. Wu, 1994)
• Cylichnium cylindrellum (Dall, 1908)
• Cylichnium domitum (Dall, 1908)
• Cylichnium guineense Thiele, 1925
• Cylichnium jucundum Thiele, 1925
• Cylichnium mucronatum Valdés, 2008
• Cylichnium nanum Valdés, 2008
• Cylichnium oliviforme (R. B. Watson, 1883)
• Cylichnium spatha (R. B. Watson, 1883)
• Cylichnium waldae Bouchet, 1975

Species brought into synonymy

• Cylichnium matsumotoi Habe, 1955: synonym of Cylichnium ancillarioides (Schepman, 1913)
• Cylichnium sumatrense Thiele, 1925: synonym of Cylichnium ancillarioides (Schepman, 1913)