STYGOFAUNA OF OMAN .1. A NEW FRESH-WATER STYGOBIONT CYATHURA (ISOPODA, ANTHURIDAE), FROM INTERSTITIA OF COARSE WADI SEDIMENTS IN OMAN

A well-characterized new species of Cyathura (Stygocyathura) is descri bed from the underflow of a wadi in Oman where a large population is p resent. Sixteen species have been attributed to this entirely stygobio nt subgenus; they are either from the Caribbean - Gulf of Mexico regio n, or from the western Pacific, whereas a single species has been reco rded from the realm of the Indian Ocean: C. (S.) milloti Chappuis, Del amare & Paulian from Reunion Island. The new species could be remotely related to C. (S.) milloti.