Rusophycus communitas Sennikov, 2022

Description. Individual pits-excavations made by an individual host organism in the form of distinct hemispheres, more often contiguous groupings: larger rounded and oval depressions of a truncated hemispherical shape.

Measurements. Pits-excavations are from 6– 8 mm до 10 cm along long axis, from 4–6 mm to 9 cm along short axis. The width-to-length ratio is 0.75 on average, less often 1.0. Pits-excavations in groupings vary in size from 3–5 to 12 cm