Constantia is a genus of extremely small sea snails, marine gastropod mollusks or micromollusks in the family Vanikoridae.Bouchet, P. (2012). Constantia A. Adams, 1860. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=525631 on 2012-08-28
General characteristics (Original description in Latin) The shell is sharply pointed at one end and oval, with a narrow umbilical fissure, and possesses an elevated and attenuated spire. The whorls are rounded, with the body whorl being ventricose. The surface is decussate with fine longitudinal folds and elevated transverse spiral ridges. The aperture is oval, being longer than wide. The peristome is free and continuous, with a margin that is entire and sharp.Adams A. (1860). On some new genera and species of Mollusca from Japan. Annals and Magazine of Natural History (3) 5: 299-303 405-413
Species Species within the genus Constantia include: Constantia acutocostata Bandel & Kowalke, 1997 Constantia elegans A. Adams, 1860 Constantia standeni (Melvill, 1899) Constantia tantilla A. Adams, 1861
References
Warén A. & Bouchet P. (1988) A new species of Vanikoridae from the western Mediterranean, with remarks on the Northeast Atlantic species of the family. Bollettino Malacologico 24(5-8): 73-100.