
Antarcella pseudarcella; 106 nucleus – from Penard (1917)
Antarcella pseudarcella (Penard, 1917) Deflandre, 1928
Basionym: Arcella pseudarcella Penard, 1917
Diagnosis: General shape as Arcella. Surface with some xenosomes. Yellow to brown. Finely granulated and with some striations. Aperture 12 µm in diameter. Pseudopodia long, pointed or jagged, sometimes branched. Very mobile. Nucleus relatively large with large central nucleolus.
Dimensions: Shell diameter about 40—47 µm.
Ecology: Herbivorous. Ecology: Sphagnum, dry mosses.

Antarcella pseudarcella; dry moss on a rock, Godesende, Portugal, 2024

Antarcella pseudarcella; dry moss on a rock, Godesende, Portugal, 2024

Antarcella pseudarcella; dry moss on a roof, Berlin, 2016

Antarcella pseudarcella; dry moss on a roof, Berlin, 2016

Antarcella pseudarcella; dry moss on a roof, Berlin, 2016