Predator in the infralittoral.
Original taxon: Columbella pumila. Synonyms: atomella, bifasciata, dora, minuscula…
The colour is variable (see the Colombella (sic) atomella in the Duclos collection at the MNHN Paris) but the shape remains constant, as well as the strength of the sculpture.
« Testa minima, elongata, utrinque attenuata, unicolore fusca; anfractibus senis per longitudinem costatis, ultimo spira paullo longiore, semicostato, ad basin lirato; columella sinuata, labro paullulum incrassato, intus plicato vel subdenticulato; apertura angusta » – W. Dunker: “Neue japanische Mollusken”, Malakozoologische Blätter Bd.6, Cassel 1860, p.224.
Above and below: 8m deep, in grit, Taşucu, Silifke, Mersin province, SE. Turkey. 3,17mm.
« Related to the Columbella exilis of Philippi, this species has the habit of certain very small miters. In uninjured specimens, the ribs at the suture, which disappear downward [A], appear somewhat knobby [B]. » – Ibid.