Difflugia nodosa

All shells on scale, 197-330 µm

 

These shells were present in sediment of a small pond near Huizen, in the central part of the Netherlands (2016).

row 1 tests of the pyriformis group (265-330 µm)

row 2 species of the acuminata group (209-230 µm)

row 3-4 Difflugia curvicaulis (197-241 µm)