Species: Platygillellus bussingi, Bussing's sand-stargazer, Costarican sand-stargazer

Platygillellus bussingi Dawson, 1974

Costarican sand-stargazer, Bussing's sand-stargazer

Body elongate, compressed, tapering to tail; head robust, snout broadly rounded;  eyes not on stalks, without papillae; top and bottom lips with skin flaps, lower lip with 30 (21-33) flaps, those about 2X abundance of top flaps; tubular nostrils; dorsal fin originates on nape, in two sections, III-spined front finlet that is 10-25% higher than rest of spines,usually separate from rest of fin , III + XIV-XVI, 15-17; segmented anal rays 26-28; pectoral rays 13-15 (usually 14); pelvic fins inserted under throat, each with I, 3, rays thickened and free at the tips; tail fin with some branched rays; lateral line continuous, bends down under last dorsal spine; scales smooth; no scales on head or preoperculum; pectoral base scaled;  belly with a narrow band of scales along midline;  lateral-line scales 47 (45-48); scales in straight (posterior) part of lateral line 16-17.