Pyxidicula arctica (Grunow) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis turris f. arctica Grunow, 1884 (new combination reference)
Pyxidicula barbadensis (Greville) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula biseriata (Strelnikova) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis biseriata Strelnikova, 1974 (new combination reference)
Pyxidicula charkoviana (Jousé) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula corona (Ehrenberg) Strelnikova & Nilolaev, 1986 accepted as
Systephania corona Ehrenberg, 1844 (1845) † (new combination reference)
Pyxidicula crenata (Sheshukova-Poretzkaya) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis crenata Sheshukova-Poretzkaja in Sheshukova-Poretzkaja & Gleser, 1964 (new combination reference)
Pyxidicula defecta (Strelnikova) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis defectus Strelnikova in Dzinoridze, Jouse & Strelnikova, 1979 accepted as
Eupyxidicula defecta (Streln.) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula dissonus (Schulz) Strelnikova & Nikolaev, 1986 accepted as
Coscinodiscus dissonus Schulz, 1935 accepted as
Eupyxidicula dissona (P.F.F.Schulz) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula dissonus f. dissoniformis (Strelnikova) Strelnikova & Nikolaev, 1986 accepted as
Coscinodiscus dissoniformis N.I.Strelnikova, 1965 † (new combination reference)
Pyxidicula edita (Jousé) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis edita Jousé, 1955 accepted as
Eupyxidicula edita (Jousé) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula ferox (Greville) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula grunowii (Grove & Sturt) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis grunowii f. grunowii Grove & Sturt in Schmidt et al., 1888 (new combination reference)
Pyxidicula inermis (Jousé) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula joynsonii (A. Schmidt) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis joynsonii Schmidt in Schmidt et al., 1888 accepted as
Eupyxidicula joynsonii (A.W.F.Schmidt) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula lavrenkoi (Jousé) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis lavrenkoi Jousé in Proschkina-Lavrenko, 1949 accepted as
Eupyxidicula lavrenkoi (Jousé) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula marginata (Grunow) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis marginata var. marginata Grunow, 1884 (new combination reference)
Pyxidicula megapora (Grunow) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis megapora Grunow, 1884 accepted as
Eupyxidicula megapora (Grunow) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula moelleri (A. Schmidt) Strelnikova & Nikolaev, 1986 accepted as
Coscinodiscus moelleri var. moelleri Schmidt in Schmidt et al., 1878 (new combination reference)
Pyxidicula nipponica (Gran & Yendo) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis nipponica Gran & Yendo, 1913 (1914) accepted as
Eupyxidicula nipponica (Gran & Yendo) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula palmeriana (Greville) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula polaris (Grunow) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis turris var. polaris Grunow, 1884 accepted as
Eupyxidicula polaris (Grunow) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula punctata (Jousé) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis punctata Jousé, 1955 accepted as
Eupyxidicula punctata (Jousé) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula schenkii (Kanaya) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula similis (Sheshukov-Poretzkaya) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis similis Sheshukova-Poretskaya, 1967 accepted as
Eupyxidicula similis (Shesh.-Por.) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula spinosa (Jousé) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis spinosa Jousé, 1955 accepted as
Eupyxidicula spinosa (Jousé) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula spinosissima (Grunow) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis spinosissima Grunow, 1884 (new combination reference)
Pyxidicula superba (Grunow) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula turris f. cylindrus (Ehrenberg) N.I.Strelnikova & Nikolaev accepted as
Stephanopyxis turris var. cylindrus (Ehrenberg) Grunow (new combination reference)
Pyxidicula turris f. turris (Greville & Arnott) Strelnikova & Nikolaev, 1986 (new combination reference)
Pyxidicula uralensis (Strelnikova) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis uralensis N.I. Strelnikova, 1971 † accepted as
Eupyxidicula uralensis (Streln.) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Pyxidicula weissflogii (A. Schmidt) Strelnikova & Nikolaev, 1986 accepted as
Stephanopyxis weissflogii Schmidt in Schmidt et al., 1888 accepted as
Eupyxidicula weissflogii (A.W.F.Schmidt) S.Blanco & C.E.Wetzel, 2016 (new combination reference)