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

Habitat: Marine, littoral sands, bacterivorous and algivorous.

Remarks: This genus differs from Pseudocorythion by the lack of a caudal horn.

Species diagnosis:

Shell cylindrical. Pseudostome undulated, diameter > width of test …M. chardezi

Shell conical. Pseudostome circular, diameter < width of test …M. filosa