TAXONOMIC AND ZOOGEOGRAPHIC CONSIDERATIONS ON LECANIDAE (ROTIFERA, MONOGONONTA) OF THE BALEARIC ARCHIPELAGO, WITH DESCRIPTION OF A NEW SPECIES, LECANE-MARGALEFI N-SP

Twenty species of rotifers of the genus Lecane were found in inland fr esh and brackish waterbodies of the Balearic archipelago L. margalefi n. sp. has been found in a semi-arid area of Majorca island, and it is probably endemic. It is an illoricate species related to the L. luna group by its foot morphology, but similar in shape and size to L. boor ali Koste & Shiel. The taxonomy of some other species of the genus, re corded from the archipelago, is discussed (L. bifurca (Bryce), L. gran dis (Murray), L. lamellata (Daday), L. latissima Yamamoto, L. ohioensi s (Herrick), L. punctata (Murray), L. pyriformis (Daday)).