Apogromia spec., the same shell, in Phase Contrast (left) and in normal light. Shell 7.8 µm long.
Apogromia spec.
Diagnosis: Shell hyaline, small, pyriform or nearly circular, with one side fastened to the substrate; outline sometimes irregular. Shell without neck. Pseudopodia granular, very thin, branching.
Dimensions: My measurement: 7.7-7.8 µm (n=2).
Ecology: freshwater; peat bogs, the Netherlands.
Shell 7.8 µm long, outline irregular
Shell 7.8 µm long, with some filopodia.