Ondina
# Ondina

Ondina is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

## Description

The thin shell has an oval shape. The whorls of the teleoconch are smooth or spirally striated. The columellar tooth is obsolete.

## Species

Species within the genus Ondina include:

* Ondina anceps (Gaglini, 1992)
* Ondina coarctata (Sars G.O., 1878)
* Ondina crystallina Locard, 1892
* Ondina diaphana (Jeffreys, 1848)
* Ondina dilucida (Monterosato, 1884)
* Ondina divisa (Adams J., 1797)
* Ondina elachisinoides Hori & Fukuda, 1999
* Ondina fragilissima Peñas & Rolán, 2002
* Ondina jansseni van Aartsen & Menkhorst, 1996
* Ondina modiola (Monterosato, 1884)
* Ondina mosti (van Aartsen, Gittenberger & Goud, 1998)
* Ondina neocrystallina Gaglini, 1991
* Ondina normani (Friele, 1886)
* Ondina obliqua (Alder, 1844)
* Ondina perezi (Dautzenberg & Fisher, 1925)
* Ondina scandens (Monterosato, 1884)
* Ondina strufaldii Peñas & Rolán, 1999
* Ondina vitrea (Brusina, 1866)
* Ondina warreni (Thompson W., 1845)
