Four Species of the Genus Grandidierella (Crustacea : Amphipoda : Aoridae) from Osaka Bay and the Northern Part of the Kii Channel, Central Japan

Abstract

Four species of the genus Grandidierella were collected from estuaries and coastal area in Osaka Bay and the northern part of the Kii Channel, central Japan. Grandidierella fasciata sp. nov., G. osakaensis sp. nov. and G. japonica Stephensen, 1938 were from brackish area, G. insulae Myers, 1981 from sea area. These amphipods are described and validness of the three brackish species is examined by crossing experi-ments_