habitus images of a few dalyellids. A. Microdalyellia armigera from Finnland, Lapvik. length 0.8-0.9 mm. B. Gieysztoria cuspidata, also from Finnland, Lapvik, length 0.8-0.9 mm. C. Fulinskiella bardeaui, from Italy, collected by F. Papi, length around 0.7 mm. D. Vaillantiella algerica, Algeria, drawing of F. Vaillant. E. Varsoviella kozminskii from Gieysztor & Wiszniewski, length 0.5-0.6 mm.
A. M. armigera (microphthalma?), copulation organ, Tvaerminne. B-I and L,N,O. M. kupelwieseri B Ekenaes, Dagmarkaellan, C Tvaerminne, 'Haesthagsdiket', D Tvaerminne, Langskaer, pond by a brook, E Kittilae, Sirkka, cold spring, F as in B, G (M. schmidtii) Helsingfors, Haga, small wood ditch, H tvaerminne, Braennskaer, pond, I Tvaerminne Kohagen (total length of the cuticular apparatus 135 micrometers) u) K (M. schmidtii) Tvaerminns, Haesthagen. L as in D. M M. microphtalma?, Tvaerminne, small ditch with flowing water 'Haesthagsdiket'. N. M. kupelwieseri Bursa copulatrix, found at same place as D, O egg from the same example as M.