• Polymorphina d'Orbigny, 1826
• Polymorphina aculeata d'Orbigny, 1850
• Polymorphina acuta d'Orbigny, 1846
• Polymorphina amygdaloides Reuss, 1856
• Polymorphina angusta Egger, 1857
• Polymorphina burdigalensis Parker, Jones & Brady, 1865
• Polymorphina chapmani Heron-Allen & Earland, 1924
• Polymorphina charlottensis
• Polymorphina communis d'Orbigny, 1826 accepted as Guttulina communis d'Orbigny, 1826
• Polymorphina complanata d'Orbigny
• Polymorphina complexa Sidebottom, 1907
• Polymorphina compressa d'Orbigny, 1846
• Polymorphina concava Williamson, 1858 accepted as Webbinella concava (Williamson, 1858)
• Polymorphina cylindroides Roemer, 1838
• Polymorphina digitata d'Orbigny, 1843 accepted as Pseudopolymorphina digitata (d'Orbigny in Guerin-Meneville, 1843)
• Polymorphina elegantissima Parker & Jones, 1870
• Polymorphina elongata d'Orbigny, 1902
• Polymorphina eximia McCulloch, 1977
• Polymorphina extensa Cushman, 1923 accepted as Francuscia extensa (Cushman, 1923)
• Polymorphina flintii Cushman, 1923
• Polymorphina frondea (Cushman)
• Polymorphina frondiformis Wood
• Polymorphina fusiformis Roemer, 1838 accepted as Pyrulina fusiformis (Roemer, 1838)
• Polymorphina gibba Deshayes, 1830 accepted as Globulina gibba Deshayes, 1830
• Polymorphina glacialis (Cushman & Ozawa, 1930) accepted as Globulina glacialis Cushman & Ozawa, 1930
• Polymorphina gutta d'Orbigny, 1826 accepted as Pyrulina gutta (d'Orbigny, 1839)
• Polymorphina hispida Terquem, 1878
• Polymorphina hordeola
• Polymorphina howchini Cushman & Ozawa
• Polymorphina inaequalis d'Orbigny, 1852
• Polymorphina inflata Williamson, 1876
• Polymorphina irregularis
• Polymorphina kincaidi Cushman & Todd, 1947
• Polymorphina lactea (Walker & Jacob, 1798) accepted as Laryngosigma lactea (Walker & Jacob, 1798)
• Polymorphina lanceolata Reuss, 1851
• Polymorphina lingulata Stache
• Polymorphina longicollis Brady, 1881 accepted as Francuscia extensa (Cushman, 1923)
• Polymorphina lucida d'Orbigny, 1902
• Polymorphina minuta Roemer, 1838 accepted as Globulina minuta (Roemer, 1838)
• Polymorphina myrae Chapman & Parr, 1938
• Polymorphina myristiformis Williamson, 1858 accepted as Globulina myristiformis (Williamson, 1858)
• Polymorphina oblonga d'Orbigny, 1846 accepted as Guttulina oblonga (d'Orbigny, 1846)
• Polymorphina obtusa d'Orbigny, 1850
• Polymorphina ovata d'Orbigny, 1826 accepted as Guttulina ovata (d'Orbigny, 1826)
• Polymorphina pliocaena Silvestri, 1898 accepted as Lenticulina pliocaena (Silvestri, 1898)
• Polymorphina problema d'Orbigny, 1826 accepted as Guttulina problema (d'Orbigny, 1826)
• Polymorphina pulchella (d'Orbigny, 1839) accepted as Guttulina pulchella d'Orbigny, 1839
• Polymorphina pupa d'Orbigny, 1902
• Polymorphina regina Brady, Parker & Jones, 1870 accepted as Globulina regina (Brady, Parker & Jones, 1870)
• Polymorphina rochefortiana
• Polymorphina rotundata (Bornemann, 1855) accepted as Globulina rotundata (Bornemann, 1855)
• Polymorphina rugosa d'Orbigny, 1839
• Polymorphina seguenzana Brady, 1884 accepted as Sigmoidella seguenzana (Brady, 1884)
• Polymorphina semitecta Reuss, 1867 accepted as Sigmomorphina semitecta (Reuss, 1867)
• Polymorphina soldanii d'Orbigny, 1826
• Polymorphina sororia Brady, 1884
• Polymorphina spinosa (d'Orbigny, 1846)
• Polymorphina subnodosa Reuss, 1861 accepted as Pseudopolymorphina subnodosa (Reuss, 1861)
• Polymorphina sulcata d'Orbigny, 1902
• Polymorphina thouini d'Orbigny, 1826
• Polymorphina truncata d'Orbigny, 1852
• Polymorphina tuberosa d'Orbigny, 1826
• Polymorphina undulosa Terquem, 1878 accepted as Sigmomorphina undulosa (Terquem, 1878)
• Polymorphina vitula Saidova, 1975
• Polymorphina williamsoni (Terquem, 1878) accepted as Laryngosigma williamsoni (Terquem, 1878)
• Polymorphina yabei Asano, 1937