Genus Bathymyrus Alcook 
Bathymyrus ALCOCK, Journ. Asiatic Soc. Bengal, vol« 58» pt« 2* 
p* 1889# p* 305* Type Bathymyrus echinorhynchus ALCOCKt mono- 
typic* 
Body cylindrical, little shorter than compressed tail# Head 
cylindrical, slightly tapering# Snout projects beyond lower jaw, tip 
formed by massive upward and lateral expansion, studded with small 
curved teeth of premaxillaries# Eye moderate# Mouth cleft moderate. 
Single series of close set, uniform, small, sharp teeth in jaws# Few 
similar teeth on vomer at junction with premaxillaries and cluster of 
sharp down curved teeth on extra oral expansion of premaxillaries# 
Tongue long, attached up to tip by extensible frenum# Nostrils labial 
in contact with edge of upper lip, anterior tubular near snout end, 
posterior valved before lower front eye edge# Gill openings extend 
obliquely from upper edge of pectoral base almost to middle line of 
abdomen, interspace narrow. Branchial openings wide slits in pharynx# 
Branchiostegal region 1/3 of head. Oblique bony stay across opercle# 
No scales# Dorsal begins close behind gill opening, fin confluent 
with caudal and anal# Pectoral longer than body depth# 
One speciesf India# 
