This unusal form is larger than Apedinella and has a very distinctive rhizopod base, which may or may not attach to
substrate. The four flagella keeps it moving. It is large in comparison to Pseudopedinella pyriforme. The lobed top would likely appear as a flower in anterior view. Pseudopedinellas, in general, can be present in all seasons, but are likely to be appear more in winter and spring. It is euryhaline, from 6 - 33 ppt salinity.