Cylichnella

Cylichnella is a genus of sea snails or bubble snails, marine gastropod molluscs in the family Cylichnidae, the "chalice bubble snails".

Species
Subgenus Cylichnella (Cylichnium) Dall, 1908 : synonym of Cylichnium Dall, 1908 (original rank)
 * Cylichnella agulhasensis (Thiele, 1925)
 * Cylichnella bidentata (d'Orbigny, 1841)
 * Cylichnella defuncta F. Baker & Hanna, 1927
 * † Cylichnella duqmensis Harzhauser, 2007
 * Cylichnella gonzagensis (F. Baker & Hanna, 1927)
 * Cylichnella goslineri Valdés & Camacho-Garcia, 2004
 * Cylichnella oryza (Totten, 1835)
 * Cylichnella takekosugei Thach, 2020
 * Taxa inquirenda:
 * Cylichnella meridionalis (E.A. Smith, 1902)
 * Cylichnella minuscula (W. H. Turton, 1932)
 * Species brought into synonymy:
 * Subgenus Cylichnella (Bullinella) Newton, 1891 : synonym of Cylichna Lovén, 1846
 * Cylichnella (Bullinella) diegensis Dall, 1919 : synonym of Cylichna diegensis (Dall, 1919) (basionym)
 * Cylichnella bistriata Tomlin, 1920 : synonym of Cylichna bistriata (Tomlin, 1920) (original combination)
 * Cylichnella diegensis Dall, 1919 : synonym of Cylichna diegensis (Dall, 1919) (original combination)
 * Cylichnella nitens (E. A. Smith, 1872) : synonym of Cylichna nitens E. A. Smith, 1872
 * Cylichnella rolleri (Ev. Marcus, 1977) : synonym of Acteocina culcitella (Gould, 1853)
 * † Cylichnella soror Suter, 1917 : synonym of † Retusa soror (Suter, 1917) (original combination)