(Juget and Lafont, 1979)
Description
Small worms. Body armoured with fine secretory papillae arranged in irregular transversal rows; besides them, two rows of small light sensory papillae per segment. Dorsal bundles with 1(2) hair chaetae, 125-320 µm long, and one pectinate chaeta with 3-4 fine intermediate teeth. Ventral bundles consist of 1-3(4) bifid crotchets, 42-56 µm long, with thin slightly curved teeth, upper tooth 2-2.5 times as long as lower one. In X and XI, single genital chaetae at each spermathecal and male pore, 60-70 µm long, with sharp furrowed distal portion. Length 1.3-2.6 mm, segment number 13-27.
Burrowing in sediment.
Distribution
France.
Ecology
In freshwater.
Reproduction
Sexual only. Eggs laid in cocoons.
Literature
Juget and Lafont, 1979: 112-115, Figs 5-7.