FIGURE 19. Alvania spp. A, B in Revision of the Recent Alvania scabra (Philippi, 1844) complex (Mollusca, Gastropoda Rissoidae) from the Mediterranean Sea with the description of a new species

FIGURE 19. Alvania spp. A, B. Alvania canariensis (d'Orbigny, 1840), Candelara la Caleta, Tenerife, Canary Island (Spain), height 2 mm (BA). C, D. Alvania sp. aff. canariensis (d'Orbigny, 1840), Gando Bay, Gran Canaria, Canary Islands (Spain), height 1. 85 mm (BA). E, F. Alvania canariensis (d'Orbigny, 1840), Monterosato coll. ex Mac Andrew coll., MCZR-M-30074, Canary Islands (Spain), height 1.8 mm with original label. G, H. Alvania angioyi van Aartsen, 1982, Biscoitos, Terceira (Azores), 1 m depth, height 1.7 mm (JT, JDO). I–K. Alvania sp., Monterosato coll. ex Mac Andrew coll., MCZR-M-30074, Azores, height 2 mm. L–P. Alvania grancanariensis Segers, 1999, Maspalomas, Gran Canaria, Canary Islands (Spain) height 1.7 mm (L: JT, JDO), 1.7 mm (M: JT, JDO), 1.85 mm (N–P: JT, JDO).