Genus Tanycypris Triebel, 1959

Type species T. madagascarensis (Müller, 1898)

Diagnosis. Carapace elongated. Height less than half the length. Carapace in dorsal view narrow. Width smaller than height. LV overlaps RV. Anterior margin more broadened than posterior margin. Dorsal and ventral margin almost straight. Anterior part of the inner lamella with a groove, but without an inner list. T1 with two a-setae, one b-seta and one d-seta. T2 with d1 longer than d2. CR symmetric, long (two-third of the length of the valves), claws strongly serrated. CR-attachment with Triebel loop at the middle, vb short, stout or pointed, db well developed (Müller 1898, Triebel 1959, Victor & Fernando 1981, Savatenalinton & Martens 2009a).