Diagnosis: Ventral interarea low; lateral slopes smooth; sulcus and fold smooth; dental ... for taxon Tethyspirinae Carter in Carter et al., 1994 †

Note "Diagnosis: Ventral interarea low; lateral slopes smooth; sulcus and fold smooth; dental adminicula converging to form a spondylium; ventral median septum variously developed." for taxon Tethyspirinae Carter in Carter et al., 1994 † has been added by Tristan Verhoeff via the webinterface on 2024-05-15T23:06:22+00:00