Macrostomum inductum Kolasa, 1971 | Feb 10, 1970 | | | Palmhouse in Poznan, big basin. Sand, water plants. Aquarium: deposit of algae. Water temperature in the basin about 25 degrees C. Scores of specimens. |
Stenostomum corderoi poznanensis Kolasa & Young, 1974 | 1974 or earlier | | | Palmhouse in Poznan, in mosses. |
Stenostomum anops Nuttycombe & Waters, 1938 | 1974 or earlier | | | Two specimens found in the Poznan vicinity: in weeds of Carex sp. in a pond and a helocrene spring. |
Stenostomum glandulosum Kepner & Carter, 1931 | 1974 or earlier | | | About 20 specimens obtained from the Zoological Garden in Poznan, and from the Laboratory of Animal Morphology aquaria, Poznan University. |
Stenostomum anatirostrum Marcus, 1945 | 1974 or earlier | | | warmed up lake near Poznan. |