TWO NEW GENERA OF THE FAMILY NIPHARGIDAE FROM GREECE (CONTRIBUTION TO THE KNOWLEDGE OF THE AMPHIPODA 287)

From the subterranean waters of Tzanis spilios Cave, Lefka Ori Massif, W. part of Crete Island, Greece, a new genus and species of the family Niphargidae (Crustacea, Amphipoda) is described and figured, Exniphargus tzanisi, gen. nov., sp. n., and its relationship to other genera of the family Niphargidae is discussed. The species Niphargobates lefkodemonaki Sket, 1990, known from Crete Island. Greece, is removed to the new genus Niphargobatoides, gen. nov. as typus generis (type species); differences and relationship of this genus regarding other genera are presented. New diagnosis of the genus Niphargobates Sket, 1981 is given and the key to the genera of the family Niphargidae is composed.