Genus Messemvriella Golemansky, 1973
Diagnosis: Shape resembles Corythionella, but circular in transverse section, with circular, regularly overlapping siliceous scales. Apertural funnel less developed than in Corythionella. Typical ovular nucleus. Few thin filopodia.
Type species: Messemvriella filosa Golemansky, 1973
Ecology: Marine, littoral sands, bacterivorous and algivorous.
Remarks: This genus differs from Pseudocorythion by the lack of a caudal horn.
Test cylindrical. Pseudostome undulated, diameter > width of test …M. chardezi
Test conical. Pseudostome circular, diameter < width of test …M. filosa