{{Short description|Species of gastropod}} {{Speciesbox | name = ''Ondina modiola'' | image = | image_caption = | taxon = Ondina modiola | authority = (Monterosato, 1884)<ref>Monterosato, II Nat. Sicil., p. 203, 1885</ref> | synonyms_ref = | synonyms = ''Auriculina modiola'' Monterosato 1884 (basionym) }}
'''''Ondina modiola''''' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.<ref name="WoRMS">Gofas, S. (2010). ''Ondina modiola'' (Monterosato, 1884). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=367555 on 2012-01-12</ref> It was originally described as ''Auriculina modiola'' in 1884 by Italian malacologist Tommaso Di Maria Allery Monterosato.<ref name=":0">{{Cite book |last=Di Monterosato |first=T. A. |url=https://www.biodiversitylibrary.org/item/109711 |title=Nomenclatura generica e specifica di alcune conchiglie mediterranee |last2=Di Monterosato |first2=T. A. |date=1884 |publisher=Stab. Tip. Virzì |location=Palermo}}</ref>
==Description== The shell is glassy and translucent, with a dotted and sometimes striped spiral structure, and reaches a length of 2 mm. The columellar fold is almost absent and the inner edge of the columella is folded over the umbilical rim.<ref name=":0" /> Monterosato wrote of it consisting of "3 ½ recesses, descending, compressed, finely striated" and the original publication of the species described them as "elegant and rare shells."<ref name=":0" /> It is most likely a simultaneous hermaphrodite.<ref>{{Cite web |title=Ondina modiola |url=https://www.sealifebase.se/Summary/speciesSummary.php?id=140320&lang=english |access-date=2025-09-09 |website=www.sealifebase.se}}</ref>
==Distribution== This species occurs in the Western Mediterranean Sea (Sicily, Spain).<ref name="WoRMS" /> It is found in coastal areas and occasionally muddy sediment and coral zones.<ref name=":0" /> ''Ondina modiola'' is known to occur around the Magnisi Peninsula in Sicily.<ref>''Ondina modiola'' Auriculina in Appolloni M, Smriglio C, Amati B, Lugliè L, Nofroni I, Tringali L P, Mariottini P, Oliverio M, plazi (2018). Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma. Plazi.org taxonomic treatments database. Checklist dataset https://doi.org/10.11646/zootaxa.4477.1.1 accessed via GBIF.org on 2025-09-09. </ref>
==References== {{reflist}} * Templado, J. and R. Villanueva 2010 ''Checklist of Phylum Mollusca''. pp. 148–198 In Coll, M., et al., 2010. The biodiversity of the Mediterranean Sea: estimates, patterns, and threats. PLoS ONE 5(8):36pp. * Oliver Baldoví D., 2007 : ''Catálogo de los Gasterópodos testáceos marinos de la parte Sur del Golfo de Valencia (España)'' Iberus 25(2): 29-61
==External links== * [http://www.eol.org/pages/10299678 Encyclopedia of Life] * [http://www.marinespecies.org/aphia.php?p=taxdetails&id=367555 World Register of Marine Species] {{Taxonbar|from=Q7092186}}
Category:Pyramidellidae Category:Gastropods described in 1884 Category:Taxa named by Tommaso Di Maria Allery Monterosato
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