Cryptodifflugia collum, after Chardez, 1971 Cryptodifflugia collum  (Chardez, 1971) Bobrov et Mazei, 2017 Difflugiella collum Chardez, 1971 Diagnosis: Shell globose, transparent, hyaline, chitinous, aperture topped

Cryptodifflugia brevicolla, after Golemansky, 1979 Cryptodifflugia brevicolla  Golemansky, 1979 Diagnosis: Shell ovate, laterally compressed, with clearly expressed chitinous collar around an aperture, neck circular in

Cryptodifflugia bassini, after Bobrov, 2001 Cryptodifflugia bassini  Bobrov, 2001 Diagnosis: Shell small, axially symmetrical, circular in transverse section, flattened in longitudinal section, widely elliptical. Aperture

Cryptodifflugia apiculata, after Cash, 1904 Cryptodifflugia apiculata  (Cash, 1904) Page, 1966 Difflugiella apiculata  Cash, 1904 Diagnosis: Shell ovoid, not compressed laterally, chitinous, smooth, transparent, colorless,

Cryptodifflugia angusta, after Schönborn, 1965 Cryptodifflugia angusta  (Schönborn, 1965) Page, 1966 Difflugiella angusta  Schönborn, 1965 Diagnosis: Shell small, organic, elongated-ovate, not transparent, yellow-brown, covered with

Cryptodifflugia angulata, after Playfair Cryptodifflugia angulata Playfair, 1917 Diagnosis: Shell small, oval, transparent, lateral sides flattened, fundus rounded-conic, widest shell part in the middle, lateral