South European Russia for
Didacna baeri var. transmittens Pravoslavlev, 1939 †
South European Russia for
Didacna bogatschevi Pravoslavlev, 1939 †
South European Russia for
Didacna bogatschevi var. opima Pravoslavlev, 1939 †
South European Russia for
Didacna carditoides var. kalickii Pravoslavlev, 1939 †
South European Russia for
Didacna carditoides var. uralica Pravoslavlev, 1939 †
South European Russia for
Didacna catilloides Pravoslavlev, 1939 †
South European Russia for
Didacna catilloides var. obtusa Pravoslavlev, 1939 †
South European Russia for
Didacna catillus var. catillata Pravoslavlev, 1939 †
South European Russia for
Didacna catillus var. dilatata Pravoslavlev, 1939 †
South European Russia for
Didacna crassa var. alta Pravoslavlev, 1939 †
South European Russia for
Didacna elongatoovata Pravoslavlev, 1939 †
South European Russia for
Didacna elongatoovata var. bogatschevi Pravoslavlev, 1939 †
South European Russia for
Didacna frequens Pravoslavlev, 1939 †
South European Russia for
Didacna gibba Pravoslavlev, 1939 †
South European Russia for
Didacna gmelini Pravoslavlev, 1939 †
South European Russia for
Didacna grimmi Pravoslavlev, 1939 †
South European Russia for
Didacna grimmi var. cuneata Pravoslavlev, 1939 †
South European Russia for
Didacna grimmi var. subquadrata Pravoslavlev, 1939 †
South European Russia for
Didacna hebes Pravoslavlev, 1939 †
South European Russia for
Didacna hebes var. romboidea Pravoslavlev, 1939 †
South European Russia for
Didacna hians Pravoslavlev, 1939 †
South European Russia for
Didacna incrassa Pravoslavlev, 1939 †
South European Russia for
Didacna incrassata var. sublimis Pravoslavlev, 1939 †
South European Russia for
Didacna lintriculus Pravoslavlev, 1939 †
South European Russia for
Didacna naviculata Pravoslavlev, 1939 †
South European Russia for
Didacna obliquetrigona Pravoslavlev, 1939 †
South European Russia for
Didacna obliquetrigona var. triquerta Pravoslavlev, 1939 †
South European Russia for
Didacna ostroumovi Pravoslavlev, 1939 †
South European Russia for
Didacna ovatocrassa Pravoslavlev, 1939 †
South European Russia for
Didacna ovatula Pravoslavlev, 1939 †
South European Russia for
Didacna pallasi Pravoslavlev, 1939 †
South European Russia for
Didacna pallasi var. angulata Pravoslavlev, 1939 †
South European Russia for
Didacna paracrassa Pravoslavlev, 1939 †
South European Russia for
Didacna praeprotracta Pravoslavlev, 1939 †
South European Russia for
Didacna praeprotracta var. dubia Pravoslavlev, 1939 †
South European Russia for
Didacna praetrigonoides var. incerta Pravoslavlev, 1939 †
South European Russia for
Didacna praetrigonoides var. obliqua Pravoslavlev, 1939 †
South European Russia for
Didacna praetrigonoides var. paucicostata Pravoslavlev, 1939 †
South European Russia for
Didacna prona Pravoslavlev, 1939 †
South European Russia for
Didacna roseni Pravoslavlev, 1939 †
South European Russia for
Didacna roseni var. gibbosa Pravoslavlev, 1939 †
South European Russia for
Didacna rudis f. tumida Pravoslavlev, 1939 †
South European Russia for
Didacna rudis var. amygdaloides Pravoslavlev, 1939 †
South European Russia for
Didacna rudis var. elongata Pravoslavlev, 1939 †
South European Russia for
Didacna rudis var. oblonga Pravoslavlev, 1939 †
South European Russia for
Didacna subartemiana Pravoslavlev, 1939 †
South European Russia for
Didacna subartemiana var. aversa Pravoslavlev, 1939 †
South European Russia for
Didacna subcarditoides Pravoslavlev, 1939 †
South European Russia for
Didacna subcrassa Pravoslavlev, 1939 †
South European Russia for
Didacna subcrassa var. tumulosa Pravoslavlev, 1939 †
South European Russia for
Didacna subimbricata Pravoslavlev, 1939 †
South European Russia for
Didacna sublongipes Pravoslavlev, 1939 †
South European Russia for
Didacna subovalis Pravoslavlev, 1939 †
South European Russia for
Didacna subovalis var. decens Pravoslavlev, 1939 †
South European Russia for
Didacna subovalis var. inflata Pravoslavlev, 1939 †
South European Russia for
Didacna subovalis var. subcompressa Pravoslavlev, 1939 †
South European Russia for
Didacna subpallasi Pravoslavlev, 1939 †
South European Russia for
Didacna subpallasi var. parvuloides Pravoslavlev, 1939 †
South European Russia for
Didacna subpyramidata Pravoslavlev, 1939 †
South European Russia for
Didacna subpyramidata var. obtusa Pravoslavlev, 1939 †
South European Russia for
Didacna subrudis Pravoslavlev, 1939 †
South European Russia for
Didacna subrudis var. pyramidalis Pravoslavlev, 1939 †
South European Russia for
Didacna subrudis var. trapezoides Pravoslavlev, 1939 †
South European Russia for
Didacna surachanica var. monodacnoides Pravoslavlev, 1939 †
South European Russia for
Didacna vicina Pravoslavlev, 1939 †