Koloonella ignorabilis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2015). Koloonella ignorabilis (Peñas & Rolán, 1997). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=731425 on 2015-04-15
Description The size of the shell varies between 3.5 mm and 5.2 mm.
Distribution This species occurs in the Atlantic Ocean between Mauritania, Guinea and Angola at depths between 0 m and 75 m.J.J. van Aartsen, E. Gittenberger & J. Goud, Pyramidellidae (Mollusca, Gastropoda, Heterobranchia) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern part of the North Atlantic Ocean (part 2)
References
Robba E. (2013) Tertiary and Quaternary fossil pyramidelloidean gastropods of Indonesia. Scripta Geologica 144: 1-191
External links World Register of Marine Species