Type species: Ilamnemacheilus longipinnis new sp. by original designation
and monotypy.
Etymology: Ilam, the name of a western Iranian region and Nemacheilus a
well known genus in the family Nemacheilidae.
The body is high, laterally compressed (Fig. 1 a); head large, eyes small,
mouth small (Fig. 1 b). The entire anterior lip has no interruption in its middle;
posterior lip with widened mental lobes; small rounded papillae cover only mental
lobes, the rest of lips being unfurrowed; processus dentiformes absent.
The lateral line is complete and ends slightly before the posterior margin of
caudal peduncle. Scales (Fig. 1 e ) are very small, with a quite large eccentric focal
area, and they are sparsely present in second half of body; stomach (Fig. 1 c) is
syphonal and intestine straight without loops; gas-bladder with two encapsuled
chambers united by a short encapsuled duct. Paired fins very long. Dorsal fin long
with 10 branched rays. Caudal fin well forked.