Michaelsen, 1905
Type species Propappus glandulosus Michaelsen, 1905
Number of species 3. In NWE, one species:
Propappus volki Michaelsen, 1916
Description
Small white worms. Prostomium with or without tentacle. Chaetae mostly 3 (seldom 2 or 4) per bundle as bifid crotchets, with slightly shorter upper tooth. Two large glands attached to the back side of each chaetal bundle, inside body. Clitellum in 1/2 XII-XIV, male pores at its anterior edge. Spermathecal pores ventrally in the anterior half of IV. Considering chaetae, can be confused with some small tubificid, but distinguishable on the ground of a different position of reproductive system.
Crawling in interstitial crevices, probably also burrowing in sediment.
Distribution
Palaearctic.
Ecology
In freshwater.
Reproduction
Sexual only, with eggs laid in cocoons.
Literature
Michaelsen, 1905: 24; Nielsen and Christensen, 1959: 29-30; Kasprzak, 1986: 87-88; Coates, 1986: 419-421.