Two new species of the genus Islamia Radoman, 1973 (Gastropoda : Hydrobiidae) from the north of Spain

catalaEs descriuen dues noves especies del genere Islamia procedents de les comunitats autonomes de Cantabria i Asturies (nord d'Espanya). Aquest genere actualment esta representat a Ja peninsula Iberica i Balears per vuit especies i subespecies. Les noves especies es comparen amb altres especies congeneriques, de les quals es diferencien per diversos caracters conquiliologics. EnglishTwo new species of the genus Islamia are described from the autonomous communities of Cantabria and Asturias (north of Spain). This genus is currently represented in the Iberian Peninsula and the Balearic Islands by eight species and subspecies. The new species are compared wit11 other congeneric species from which they differ in conchological characteristics.