Crassitoniella

Crassitoniella is a genus of taxonomic family of minute sea snails, marine gastropod molluscs in the family Eatoniellidae. All currently identified species in the family are endemic to the waters of Australia and New Zealand. The type specimen of the genus is Crassitoniella carinata.

Species
Species within the genus Crassitoniella include:
 * Crassitoniella carinata Powell, 1965
 * † Crassitoniella cirsophora (Cossmann, 1888)
 * Crassitoniella erratica May, 1913
 * † Crassitoniella europaea Lozouet, 1998
 * Crassitoniella flammea Frauenfeld, 1867
 * † Crassitoniella lozoueti Landau, Ceulemans & Van Dingenen, 2018
 * Crassitoniella thola Ponder, 1965
 * Synonyms:
 * † Crassitoniella subbicolor (Ludbrook, 1956) : synonym of † Crassitoniella erratica subbicolor (Ludbrook, 1956) (superseded rank)