Hrabe, 1966
Type species Limnodrilus baicalensis Michaelsen, 1901c
Number of species 12. In NWE, one species:
Isochaetides michaelseni Lastockin, 1936
Description
Smooth tubificids with similar bifid crotchets both in dorsal and ventral bundles. Spermathecal chaetae often present. Penial sheaths present in some species but different from those in Limnodrilus. Differing from the other tubificid genera with uniform bifid crotchets, in structure of internal reproductive organs.
Burrowing in sediment.
Distribution
Holarctic, including Lake Baikal.
Ecology
In freshwater.
Reproduction
Sexual only. Eggs laid in cocoons.
Literature
Michaelsen, 1901c: 140; Pointner, 1911: 637; Hrabe, 1966: 74; Hrabe, 1981: 88-89; Brinkhurst and Jamieson, 1971: 472-474; Kasprzak, 1981: 166.