Brown ribbed snailfish
soft rays: 52;
Vertebrae: 65. Caudal-fin rays 8; pectoral fin deeply notched, pectoral girdle with 4 round radials, one rudimentary fenestra present; about 7 anterior epineural and epipleural ribs long, stout; chin pores in common wide-oval depression, interspace equals twice their diameter; pectoral without rudimentary notch rays; prominent costal ridge present; head 21% SL, wide (67% HL); eye diameter half interorbital width; preanal length 34% SL; color light-nut-brown, skin semitransparent, peritoneum black (Ref. 42734).