Description
There is little known about their life histories. Most species are only known from their shells.
Most species have a white of yellowish, minute, conical to ovate-conical shell, usually between 2 mm and 5 mm. The apex is rather obtuse or nipple-shaped, sinistrally or dextrally oriented to the teloconch. The protoconch is usually deeply immersed in the first of the succeeding turns. The shells are variously sculptured, usually with a microsculpture. The teleoconch contains in most cases between 4 and 6 whorls. The body whorl is usually large, comprising 50-60% of the total length. The aperture is suboval to ovate with the peristome incomplete behind. There is usually a tooth-like fold on the columella. The shells usually have a small umbilicus or none at all.
Read more about this topic: Odostomia
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