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Xenophora mediterranea Tiberi, 1863
Mediterranean to W. Africa, Canarias. Detritus feeder on sedimentary bottoms of the lower circalittoral, the continental shelf and the slope. Often listed as Xenophora crispa (König, 1825), but König’s taxon refers to a fossil species, which shows, inter alia, a coarser basal sculpture.
200-300m deep, Strait of Gibraltar. 36mm.
800m deep, Almería, Andalucia, S. Spain.
Same spot, 38mm.
Same spot, 34-35mm.
A specimen from western Cádiz, trawled in the gulf at 100-150m deep, on muddy bottom. Collected on nets in local harbour, Sanlúcar de Barrameda, Cádiz, SW. Spain, november 2009. Only two specimens found in 10 years! Size: 54 mm.
Original picture provided B.J. Muñoz Sanchez (ES).
Specimens from western Africa.
Dakar area, Sénégal. 36-40mm.
The species in W. Kobelt:
Iconographie der schalentragenden europäischen Meeresconchylien vol. IV, Wiesbaden 1908, plates CV & CVII.
The african X. senegalensis Fischer, 1873. Smaller, with a more pronounced sculpture. See Le Loeuff, Intes & Marche-Marchad: Les Xenophora de l’Afrique de l’ouest, 1971.

Dakar, Sénégal. 22-30mm.
The species in N. Tiberi: “Description d’une espèce nouvelle de Xenophora”, Journal de conchyliologie vol. XI, Paris 1863, plate VI fig.1.
 
« On several occasions we have received some copies of a species of the genus Xenophora, which have attracted our attention: these shells, which we have had with the dried animal still bearing its operculum, had always been fished on coralligenous bottoms around Bône (Algeria), and there can be no doubt about the exactitude of this habitat. […] it should be noted that the mollusk in question has so far only been encountered on the coasts of Algeria, in the southern part of the Mediterranean, and never on the more northerly points frequented by coralers. […] The shell figured on the plate belongs to the collection of Mr. Petit de la Saussaye. »

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