Protocurbitella or Netzelia?

 

Protocucurbitella coroniformis var. pusilla f. ecornis Gauthier-Lièvre & Thomas, 1960

Diagnosis: This form only differs from the var. pusilla by the absence of horns; individuals were of variable shape, subglobose or ovoid and the collar sometimes well marked.

Dimensions: Height 130 μm; width 120 μm; pseudostome 50 μm.

Ecology: various wetlands, Africa, Uganda:

Remarks:

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