Brachystomia pizzinii
Nofroni, Renda & Vannozzi, 2022
Mediterranean. Ectoparasit on benthic mollusca (but there is, for now, only one reported example of association: with a Littorinid). Usual habitat of the hosts: rocky shores under stones, or in empty shells such as Bolma rugosa, Buccinum undatum… Depth range: from intertidal-subtidal grounds down to at least the lower circalittoral.

30-40m deep, Gibraltar Strait, S. Spain. 2,5mm.
The sister species Brachystomia carrozzai (van Aartsen, 1987) is living outside Mediterranean, from Norway to Canarias. Above: a specimen collected at 50cm deep, Vir island, Zadar Comitat, W. Croatia. The columellar tooth is hardly visible in front view. Original pictures provided by R. Stanić (HR).
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