Posterior margin of carapace with a well developed reflexed lobe on each side.
Exopod of male 3rd pleopod 3 times as long as endopod, distal segment with 2 unequal strong setae terminally.
Endopods of uropods with 6 long irregularly spaced spines.
Telson less than 3 times as long as broad; lateral margin armed with 6 large, irregularly spaced spines, of which the terminal one is the longest, distal cleft 1/9 of telson length.
Remark: this species has previously been known as Gastrosaccus sanctus.
Ref.: Bacescu (1970).