• Pyxidicula Ehrenberg, 1833 accepted as Rhopalodia O. Müller, 1895 [Order: Rhopalodiales]
• Pyxidicula Ehrenberg, 1837 [Order: Arcellinida]
• Pyxidicula N.I. Strelnikova & V.A. Nikolajev, 1986 accepted as Stephanopyxis (Ehrenberg) Ehrenberg, 1845 [Order: Stephanopyxales]
• Pyxidicula actinocyclus Ehrenberg
• Pyxidicula actinoptychus Ehrenberg
• Pyxidicula aculeata Ehrenberg, 1844
• Pyxidicula adriatica Kützing
• Pyxidicula africana B.J. Cholnoky
• Pyxidicula alata (Ehrenberg) Kützing
• Pyxidicula apiculata Ehrenberg
• Pyxidicula appendiuclata Ehrenberg
• Pyxidicula arctica (Grunow) N.I. Strelnikova & Nikolaev
• Pyxidicula arctica (Grunow) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula areolata Ehrenberg
• Pyxidicula areolata P. Harting
• Pyxidicula aspera Ehrenberg
• Pyxidicula barbadensis (Greville) N.I. Strelnikova & Nikolaev
• Pyxidicula barbadensis (Greville) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula biseriata (N.I. Strelnikova) N.I. Strelnikova & Nikolaev
• Pyxidicula biseriata (N.I. Strelnikova) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula bollensis A. Rothpletz
• Pyxidicula calva Cleve-Euler
• Pyxidicula cellosa P. Harting
• Pyxidicula charkoviana (A.P. Jousé) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula charkoviana (Jousé) N.I. Strelnikova & Nikolaev
• Pyxidicula compressa Bailey, 1851 accepted as Prorocentrum compressum (J.W. Bailey, 1850) Abé ex Dodge, 1975
• Pyxidicula constricta (Ehrenberg) Kützing
• Pyxidicula corona (Ehrenberg) N.I. Strelnikova & Nikolaev
• Pyxidicula corona (Ehrenberg) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula coscinodiscus Ehrenberg, 1844 accepted as Craspedodiscus coscinodiscus (Ehrenberg) Ehrenberg, 1844
• Pyxidicula crenata (Sheshukova-Poretskaya) N.I. Strelnikova & Nikolaev
• Pyxidicula crenata (V.S. Sheshukova-Poretzkaja) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula cristata Ehrenberg
• Pyxidicula cruciata Ehrenberg, 1838
• Pyxidicula cyclindrus Ehrenberg
• Pyxidicula cymbalum Penard, 1902
• Pyxidicula decussata Ehrenberg
• Pyxidicula defecta (N.I. Strelnikova) N.I. Strelnikova & Nikolaev
• Pyxidicula defecta (N.I. Strelnikova) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula dentata Ehrenberg
• Pyxidicula diadema (Ehrenberg) Kützing
• Pyxidicula dissona (A. Schulz) N.I. Strelnikova & Nikolaev
• Pyxidicula dissona (A. Schulz) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula distans Ehrenberg
• Pyxidicula edita (A.P. Jousé) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula edita (Jousé) N.I. Strelnikova & Nikolaev
• Pyxidicula ferox (Greville) N.I. Strelnikova & Nikolaev
• Pyxidicula ferox (Greville) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula gemmifera Ehrenberg
• Pyxidicula gigas Ehrenberg
• Pyxidicula globata J. Ralfs
• Pyxidicula globosa (Ehrenberg) Kützing
• Pyxidicula grunowii (E. Grove & G. Sturt) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula grunowii (Grove & Sturt) Strelnikova & Nikolaev, 1986 accepted as Stephanopyxis grunowii Grove & Sturt, 1888
• Pyxidicula hellenica Ehrenberg
• Pyxidicula hirsuta Ehrenberg
• Pyxidicula inermis (A.P. Jousé) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula inermis (Jousé) N.I. Strelnikova & Nikolaev
• Pyxidicula joynsonii (A. Schmidt) N.I. Strelnikova & Nikolaev
• Pyxidicula joynsonii (A. Schmidt) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula lavrenkoi (A.P. Jousé) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula lavrenkoi (Jousé) N.I. Strelnikova & Nikolaev
• Pyxidicula lens Ehrenberg
• Pyxidicula liasica A. Rothpletz
• Pyxidicula limbata Ehrenberg
• Pyxidicula longa Ehrenberg
• Pyxidicula major Kützing
• Pyxidicula marginata (Grunow) N.I. Strelnikova & Nikolaev
• Pyxidicula mariginata (Grunow) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula mediterranea Grunow, 1881
• Pyxidicula megapora (Grunow) N.I. Strelnikova & Nikolaev
• Pyxidicula megapora (Grunow) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula minor Kützing
• Pyxidicula minuta Grunow
• Pyxidicula minutissima A.L. Brodskii
• Pyxidicula moelleri (A. Schmidt) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula naegelii Kützing
• Pyxidicula nipponica (Gran & Yendo) N.I. Strelnikova & Nikolaev
• Pyxidicula nipponica (H.H. Gran & K. Yendo) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula oblonga (Ehrenberg) Kützing
• Pyxidicula oculus-chamaeleontis Ehrenberg
• Pyxidicula operculata (C.A. Agardh) Ehrenberg
• Pyxidicula palmeriana (Greville) N.I. Strelnikova & Nikolaev
• Pyxidicula palmeriana (Greville) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula polaris (Grunow) N.I. Strelnikova & Nikolaev
• Pyxidicula polaris (Grunow) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula praetexta Ehrenberg
• Pyxidicula prisca Ehrenberg
• Pyxidicula punctata (A.P. Jousé) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula punctata (Jousé) N.I. Strelnikova & Nikolaev
• Pyxidicula radiata O'Meara, 1877 accepted as Hyalodiscus radiatus (O'Meara) Grunow, 1880
• Pyxidicula reniformis T.V. Desikachary & K.A. Ranjitha Devi
• Pyxidicula scarabaeus (Ehrenberg) J. Ralfs
• Pyxidicula schenckii (Kanaya) N.I. Strelnikova & Nikolaev
• Pyxidicula schenckii (T. Kanaya) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula similis (Sheshukova-Poretskaya) N.I. Strelnikova & Nikolaev
• Pyxidicula similis (V.S. Sheshukova-Poretzkaja) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula spinosa (A.P. Jousé) N.I. Strelnikova & V.A. Nikolajev
• Pyxidicula spinosa (Jousé) N.I. Strelnikova & Nikolaev
• Pyxidicula spinosissima (Grunow) N.I. Strelnikova & Nikolaev