Diagnosis: Test compressed, elongated pyriform with a relatively long neck and with bulges around the two lateral pores. Nucleus with some spherical nucleoli,
Dimensions: Test L: 212 µm (n=1).
Ecology: permafrost, in wet Sphagnum vegetation
Remarks: I found one single specimen in a sample provided to me by Maria Holzmann. The sample was relatively poor in testate amoeba shells. Other related species were P. carinata and L. tubulosa.