Diagnosis: Cardinal extremities round to obtusely round; lateral slopes smooth to weakly ribbed; ... for taxon Mentzeliidae Dagys, 1974 †

Note "Diagnosis: Cardinal extremities round to obtusely round; lateral slopes smooth to weakly ribbed; ventral median septum high; dental adminicula usually absent, but subparallel to convergent when occurring; cardinal process mostly ctenophoridium-type." for taxon Mentzeliidae Dagys, 1974 † has been added by Tristan Verhoeff via the webinterface on 2024-05-15T23:06:22+00:00