Rostrum low, triangular.
Antennal scale lanceolate, 6 times as long as broad.
Endopod of uropods with about 40 spines along inner ventral margin.
Telson 1.6 times as long as broad; lateral margin naked on proximal half except for one spine near base, distal half with 8 short spines; each apex of distal lobes with 2 spines, outer one more than twice as long as inner; apical cleft 1/6 of telson length, with 8 small spines on each margin.
Ref.: Illig (1930), as Doxomysis valdiviae.