Genus Dysomma Alcock 
Dysomma ALCOCK» Ann. Mag. Hist., ser. 6, vol. 4, 1889, p. 
459# 'i'yp« Dysomma bupephalus ALCOCK, monotypio. 
Tail tapering, ^nout short, projects beyond mouth and lower 
jaw» Eyes very small, subcutaneous. Mouth cleft wide. Small sharp 
teeth uniserial or extremely narrow band in each jaw; short row of 
large teeth on vomer. Tongue not free. Gill openings rather small, 
well separated, branchial openings in pharynx wide slits. Heart 
placed between gillSf No scales# Lateral line of minute pores. 
Dorsal begins immediately behind gill openings. ^al begins close 
behind vent. Paired fins well developed. Vent placed immediately 
behind gill openings; between bases of pectoral fins. 
