Archaediscus (Neoarchaediscus) exiguus Bozorgnia, 1973 † accepted as Propermodiscus tenuissimus Skvortsov, 1965 † accepted as Nodosarchaediscus tenuissimus (Skvortsov, 1965) † accepted as Nodasperodiscus tenuissimus (Skvortsov, 1965) † (source of synonymy)
Archaediscus (Rugosoarchaediscus) stellatus Bozorgnia, 1973 † accepted as Neoarchaediscus akchimensis (Grozdilova & Lebedeva, 1954) † (source of synonymy)
Archaediscus saleei subsp. hirta Conil & Lys, 1964 † accepted as Nodasperodiscus saleei (Conil & Lys, 1964) † (source of synonymy)
Archaediscus saleei var. hirta Conil & Lys, 1964 † accepted as Nodasperodiscus saleei (Conil & Lys, 1964) † (source of synonymy)
Archaediscus stilus Grozdilova & Lebedeva, 1953 † (status source)
Cepekia compacta (Lin, 1984) † (new combination reference)
Cepekia explanata (Vdovenko, 1970) † (new combination reference)
Cepekia guangdongensis (Lin, 1981) † (new combination reference)
Cepekia hubeiensis (Lin, 1984) † (new combination reference)
Cepekia longissima (Lin, 1981) † (new combination reference)
Cepekia nana (Reitlinger, 1969) † (new combination reference)
Cepekia perlucida (Lin, 1981) † (new combination reference)
Cepekia songziensis (Lin, 1984) † (new combination reference)
Climacammina mixta (Ye, Lin & Gu, 1987) † (new combination reference)
Donodiscus Vdovenko, 1988 † accepted as Cepekia Vašíček & Růžička, 1957 † (additional source)
Endostaffella adducta (Ganelina, 1956) † (new combination reference)
Endothyranella stormi (Cushman & Waters, 1928) † (new combination reference)
Eoglomospiroides donicus (Brazhnikova in Aizenverg et al., 1983) † (new combination reference)
Eoglomospiroides multivolutus (Hance, Hou & Vachard, 2011) † (new combination reference)
Eoglomospiroides subquadratus (Potievskaya & Vakarchuk in Brazhnikova et al., 1967) † (new combination reference)
Eoglomospiroides subquadratus subsp. evolutus (Reitlinger, 1980) † (new combination reference)
Eostaffella ikensis Vissarionova, 1948 † (additional source)
Eostaffella japonica (Sada, 1975) † (new combination reference)
Eostaffella mosquensis var. acuta Rauzer-Chernousova, 1948 † accepted as Eostaffella acuta Rauzer-Chernousova, 1948 † (additional source)
Eostaffella postmosquensis var. evoluta Potievskaya, 1958 † (additional source)
Eostaffella yowarensis (Ota, 1971) † (new combination reference)
Eoturrispiroides Kobayashi & Vachard, 2022 † (original description)
Eoturrispiroides compactus (Brazhnikova & Potievskaya in Manukalova-Grebenyuk et al., 1969) † (new combination reference)
Eoturrispiroides compactus subsp. maximus (Potievskaya, 1958) † (new combination reference)
Eoturrispiroides curvus (Potievskaya, 1958) † (new combination reference)
Eoturrispiroides multivolutus (Reitlinger, 1949) † (new combination reference)
Eoturrispiroides reitlingerae (Hallett, 1971) † (new combination reference)
Eoturrispiroides umbonatus (Potievskaya, 1958) † (new combination reference)
Globivalvulina paramoderata (Cózar & Somerville, 2012) † (new combination reference)
Globoomphalotis altaica (Bogush, 1987) † (new combination reference)
Globoomphalotis definita (Shlykova & Ganelina, 1974) † (new combination reference)
Globoomphalotis insigna (Postoyalko in Postoyalko & Garan, 1972) † (new combination reference)
Globoomphalotis magna (Grozdilova & Lebedeva, 1954) † (new combination reference)
Globoomphalotis omphalotiformis (Bogush, 1987) † (new combination reference)
Granuliferella concavacamerata (Lipina, 1960) † (new combination reference)
Granuliferella pauciseptata Okimura, 1958 † (additional source)
Granuliferella sibirica Bogush, 1980 † (new combination reference)
Iriclinella spirilliniformis (Brazhnikova & Potievskaya, 1948) † accepted as Planoendothyra spirilliniformis (Brazhnikova & Potievskaya, 1948) † (new combination reference)
Latiendothyranopsis campinei (Conil & Lys, 1964) † (new combination reference)
Latiendothyranopsis directa (Conil & Lys, 1964) † (new combination reference)
Latiendothyranopsis incognata (Lin, 1981) † (new combination reference)
Latiendothyranopsis okimurai Kobayashi & Vachard, 2022 † (original description)
Latiendothyranopsis pauca (Postoyalko, 1975) † (new combination reference)
Latiendothyranopsis perita (Grozdilova & Lebedeva, 1978) † (new combination reference)
Latiendothyranopsis substricta (Durkina, 1959) † (new combination reference)
Mediendothyra eofrequentata Vdovenko, 1973 † (new combination reference)
Mediendothyra exilis (Rauzer-Chernousova, 1948) † (new combination reference)
Mediendothyra frequentata (Ganelina, 1956) † (new combination reference)
Mediendothyra pulchra (Brazhnikova & Potievskaya, 1956) † (new combination reference)
Mediocris cupellaeformis (Ganelina, 1951) † (new combination reference)
Mediocris lenticuliformis Niko, 1985 † (basis of record)
Mediocris mediocris subsp. minima (Durkina, 1959) † (new combination reference)
Mediocris simplex Niko, 1985 † (basis of record)
Neoarchaediscus agapovensis R. M. Ivanova, 1970 † accepted as Neoarchaediscus akchimensis (Grozdilova & Lebedeva, 1954) † (source of synonymy)
Neoarchaediscus borealis (Reitlinger, 1949) † (new combination reference)
Neoarchaediscus borealis subsp. chantonae (Vachard in Termier, Termier & Vachard, 1975) † (new combination reference)
Neoarchaediscus celsus (Conil & Lys, 1964) † (new combination reference)
Neoarchaediscus compactus (Potievskaya, 1958) † (new combination reference)
Neoarchaediscus dissolutus (Bozorgnia, 1973) † (new combination reference)
Neoarchaediscus gregorii (Dain, 1953) † (new combination reference)
Neoarchaediscus jurjuzanensis (Ivanova, 2000) † (new combination reference)
Neoarchaediscus karreriformis (Reitlinger, 1950) † (new combination reference)
Neoarchaediscus latispiralis (Grozdilova & Lebedeva, 1953) † (new combination reference)
Neoarchaediscus minimus (Reitlinger, 1950) † (new combination reference)
Neoarchaediscus occlusus (Hallett, 1971) † (new combination reference)
Neoarchaediscus ovoides (Rauzer-Chernousova, 1948) † (new combination reference)
Neoarchaediscus paraovoides (Brazhnikova, 1956) † (new combination reference)
Neoarchaediscus parvus (Rauzer-Chernousova, 1948) † (new combination reference)
Neoarchaediscus parvus subsp. regularis (Suleymanov, 1948) † (new combination reference)
Neoarchaediscus permodiscoides (Reitlinger, 1950) † (new combination reference)
Neoarchaediscus pirleti (Bozorgnia, 1973) † (new combination reference)
Neoarchaediscus probatus (Reitlinger, 1950) † (new combination reference)
Neoarchaediscus rostratus (Bozorgnia, 1973) † (new combination reference)
Neoarchaediscus subbashkiricus (Reitlinger, 1949) † (new combination reference)
Neoarchaediscus subbashkiricus subsp. grandis (Reitlinger, 1950) † (new combination reference)
Neoarchaediscus tumefactus R. M. Ivanova, 1970 † accepted as Neoarchaediscus akchimensis (Grozdilova & Lebedeva, 1954) † (source of synonymy)
Nodasperodiscus conili (Bozorgnia, 1973) † (new combination reference)
Nodasperodiscus cornua (Conil & Lys, 1964) † (new combination reference)
Nodasperodiscus demaneti (Conil & Lys, 1964) † (new combination reference)
Nodasperodiscus paulus (Marfenkova, 1978) † (new combination reference)
Nodasperodiscus planus (Bozorgnia, 1973) † (new combination reference)
Nodasperodiscus tchaboksarensis (Bozorgnia, 1973) † (new combination reference)
Nodasperodiscus tchalussensis (Bozorgnia, 1973) † (new combination reference)
Nodasperodiscus tenuissimus (Skvortsov, 1965) † (new combination reference)
Nodasperodiscus viae (Vachard, 1977) † (new combination reference)
Nodosarchaediscus planus (Miklukho-Maklay, 1957) † accepted as Archaediscus planus (Miklukho-Maklay, 1957) † (additional source)
Omphalotis brevis Shlykova & Ganelina, 1974 † (new combination reference)
Omphalotis callosa (Conil & Lys, 1964) † (new combination reference)
Omphalotis egregia (Conil & Lys, 1964) † (new combination reference)
Omphalotis hunanica (Lin, Li & Sun, 1990) † (new combination reference)
Omphalotis infrequentis (Shlykova, 1951) † (new combination reference)
Omphalotis koksarekenis (Skvortsov, 1965) † (new combination reference)
Omphalotis koktjubensis (Rauzer-Chernousova, 1948) † (new combination reference)
Omphalotis parapulchra (Mikhno in Mikhno & Balakin, 1975) † (new combination reference)
Omphalotis paraturkestanica (Poyarkov & Skortsov, 1971) † (new combination reference)

 Description

 for Pseudoendothyridae Mamet in Mamet et al., 1970 †

Tests lenticular or nautiloid, planispirally coiled with deviations in the primitive genera. Chomata weak to ... [details]