Microstelma
Microstelma is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Zebinidae.
Description
The shell is turreted-ovate with a narrow slit and features a conical spire. The whorls are adorned with prominent longitudinal folds. The aperture is oblong, extended anteriorly, and subtly channeled. The inner lip is thickened and nearly straight, while the outer lip is simple.Species
Species within the genus Microstelma include:- † Microstelma arescum
- † Microstelma bellardii O. Semper, 1865Microstelma canaliculatum
- † Microstelma cepula Microstelma columbella Microstelma daedalum A. Adams, 1863Microstelma gabbi Microstelma glabratum
- † Microstelma italicum Tabanelli, 1994Microstelma japonicum
- † Microstelma lapernai Landau, Marquet & Grigis, 2004
- † Microstelma limonense Microstelma lutaoi Chang & Wu, 2004
- † Microstelma melanoides
- †Microstelma obliquecostatum Microstelma oshikatai Lan, 2003Microstelma semistriatum
- †Microstelma sophiae Gardella & Tabanelli, 2016Microstelma vestale
- † Microstelma altispira : synonym of † Hemisinus altispira
- † Microstelma capula : synonym of † Microstelma cepula Microstelma concinna A. Adams, 1870: synonym of Microstelma concinnum A. Adams, 1870 synonym of Moerchiella dorbignyi Microstelma concinnum A. Adams, 1870 : synonym of Moerchiella dorbignyi Microstelma daedala : synonym of Microstelma daedalum A. Adams, 1863Microstelma egregia : synonym of Costaclis egregia Microstelma flava Okutani, 1964: synonym of Punctulum flavum Microstelma formosa Chang & Wu, 2004: synonym of Rissoina formosa Microstelma glabrata : synonym of Microstelma glabratum
- † Microstelma italica Tabanelli, 1994: synonym of † Microstelma italicum Tabanelli, 1994 Microstelma japonica : synonym of Microstelma japonicum Microstelma japonicus : synonym of Microstelma japonicum
- † Microstelma limonensis : synonym of † Microstelma limonense Microstelma semistriata : synonym of ''Microstelma semistriatum''