Allomorphina marmaroschensis Dain, 1952 † (original description)
Cassidulina caucasica Subbotina, 1952 † (original description)
Cassidulina complanata Voloshinova, 1952 † accepted as Islandiella curvicamerata (Voloshinova, 1952) † (original description)
Cassidulina curvicamerata Voloshinova, 1952 † accepted as Islandiella curvicamerata (Voloshinova, 1952) † (original description)
Cassidulina excavata Voloshinova, 1952 accepted as Islandiella excavata (Voloshinova, 1952) (original description)
Cassidulina limbata var. monstruosa Voloshinova, 1952 † accepted as Cassidulina monstruosa Voloshinova, 1952 † (original description)
Cassidulina magna Voloshinova, 1952 † (original description)
Cassidulina miocenica Voloshinova & Borovleva, 1952 † accepted as Islandiella miocenica (Voloshinova & Borovleva, 1952) † (original description)
Cassidulina miocenica var. carinata Voloshinova, 1952 accepted as Islandiella excavata (Voloshinova, 1952) (original description)
Cassidulina miocenica var. crassa Voloshinova, 1952 † accepted as Islandiella miocenica (Voloshinova & Borovleva, 1952) † (original description)
Cassidulina miocenica var. miocenica Voloshinova & Borovleva, 1952 † accepted as Islandiella miocenica (Voloshinova & Borovleva, 1952) † (original description)
Cassidulina monstruosa Voloshinova, 1952 † (original description)
Cassidulina pygmea Voloshinova, 1952 † (original description)
Cassidulina smechovi Voloshinova, 1952 † accepted as Islandiella smechovi (Voloshinova, 1952) † (original description)
Cassidulina smechovi var. carinata Voloshinova, 1952 † accepted as Islandiella umbonata (Voloshinova, 1952) † (original description)
Cassidulina smechovi var. smechovi Voloshinova, 1952 † accepted as Islandiella smechovi (Voloshinova, 1952) † (original description)
Cassidulina smechovi var. sulcata Voloshinova, 1952 † accepted as Islandiella sulcata (Voloshinova, 1952) † (original description)
Cassidulina smechovi var. umbonata Voloshinova, 1952 † accepted as Islandiella umbonata (Voloshinova, 1952) † (original description)
Cassidulina tarchanensis Khutsieva, 1952 † (original description)
Cassidulinella Suzin in Voloshinova & Dain, 1952 † accepted as Cassidulinita Suzin, 1952 † (original description)
Cassidulinita Suzin, 1952 † (original description)
Cassidulinita prima Suzin, 1952 † (original description)
Cassidulinoides tarchanensis Khutsieva, 1952 † (original description)
Chilostomella azerbaidjanica Khalilov, 1952 † (original description)
Chilostomella balkhanensis Dain & Khalilov, 1952 † (original description)
Elphidium jannae Voloshinova & Borovleva, 1952 † accepted as Elphidiella jannae (Voloshinova & Borovleva, 1952) † (original description)
Elphidium katangliense Voloshinova & Borovleva, 1952 † accepted as Elphidiella katangliensis (Voloshinova & Borovleva, 1952) † (original description)
Elphidium lautenschlaegeri Voloshinova, 1952 † (original description)
Elphidium macellum var. maeotica Gerke in Voloshinova & Dain, 1952 † (original description)
Elphidium mironovi Voloshinova, 1952 † (original description)
Elphidium nabilense Voloshinova & Borovleva, 1952 † accepted as Elphidiella nabilensis (Voloshinova & Borovleva, 1952) † (original description)
Elphidium noniformis Gerke in Voloshinova & Dain, 1952 † (original description)
Elphidium nutovoense Borovleva, 1952 † accepted as Elphidiella nutovoensis (Borovleva, 1952) † (original description)
Elphidium orientale Voloshinova, 1939 † (additional source)
Elphidium tenerum Voloshinova, 1952 † accepted as Elphidiella tenera (Voloshinova, 1952) † (original description)
Elphidium vulgare Voloshinova, 1952 † (original description)
Elphidium vulgare var. subglobosa Voloshinova, 1952 † accepted as Cribroelphidium subglobosum (Voloshinova, 1952) † (original description)
Elphidium vulgare var. vulgare Voloshinova, 1952 † represented as Elphidium vulgare Voloshinova, 1952 † (original description)
Nonion anomalinoides Gerke in Voloshinova & Dain, 1952 † (original description)
Nonion bogdanowiczi Voloshinova, 1952 † (original description)
Nonion matchigaricus Voloshinova, 1952 † (original description)
Nonion subbotinae Khutsieva, 1952 † accepted as Porosononion subbotinae (Khutsieva, 1952) † (original description)
Nonionella bykovae Voloshinova, 1952 † (original description)
Nonionella kalinini Voloshinova, 1952 † (original description)
Notorotalia clarki Voloshinova, 1952 † accepted as Porosorotalia clarki (Voloshinova, 1952) † (original description)
Pseudoparrella suzini Khutsieva, 1952 † (original description)
Pseudoparrellidae Voloshinova, 1952 (original description)
Pseudoparrellinae Voloshinova, 1952 (original description)
Pullenia dampelae Dain, 1952 † (original description)
Pullenia kasakhstanica Dain, 1952 † (original description)
Pullenia sexacamerata Pishvanova, 1952 † (original description)