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MarBEF Data System |
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ERMS taxon details
original description
(of Colombella psilla Duclos, 1846) Chenu J.C. (1842-1854). Illustrations conchyliologiques, ou description et figures de toutes les coquilles connues, vivantes et fossiles. Paris. 85 parts in 4 volumes.
page(s): pl. 15 fig. 5-6 [details] 
basis of record
Rolán E. 2005. Columbellidae (Gastropoda, Neogastropoda) of the gulf of Guinea with the description of eight new species. Iberus 23(2): 119-156 [details]
additional source
Antit, M.; Gofas, S.; Azzouna, A. (2009). A gastropod from the tropical Atlantic becomes an established alien in the Mediterranean. <i>Biological Invasions</i>. 12(5): 991-994., available online at https://doi.org/10.1007/s10530-009-9532-2 [details] Available for editors 
additional source
Nappo A., Strizzi M.N.T., Mancini E. & Marcelli M. (2019). First record of <i>Mitrella psilla</i> (Duclos, 1846) (Gastropoda: Columbellidae) in Italy. <em>Bollettino Malacologico.</em> 55(1): 62-64. [details] Available for editors
 Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Biology Type of larval development: direct (non-planktotrophic, intracapsular) [details]
Diagnosis Shell 4.5-5.4 mm high, fusiform with last whorl mote than half the height. Protoconch a little more than one whorl, teleoconch four whorls. Outer surface smooth except for fine spiral striae on the abapical part of last whorl. Aperture subquadrangular, with 4-5 denticles on the inner side of outer lip and minute tubercles on the columella. Colour pattern very characteristic on protoconch, whitish with median brown spiral line; teleoconch brown with large subsutural white patches, white rounded blotches arranged in a quincuncial pattern over the shell and a pale median band on the last whorl. [details]
Distribution West Africa, from Mauritania to Senegal and again in the provinces of Benguela and Namibe, Angola (Rolán, 2005). Introduced in Gulf of Tunis, Mediterranean Sea (Antit et al., in press). [details]
From editor or global species database
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