Bucardia (Meiocardia) cumingi A. Adams, 1864 accepted as Meiocardia cumingi (A. Adams, 1864)
Bucardia communis Schumacher, 1817 accepted as Glossus humanus (Linnaeus, 1758)
Bucardia cumingi A. Adams, 1864 accepted as Meiocardia cumingi (A. Adams, 1864)
Buccardium commune Megerle von Mühlfeld, 1811 accepted as Glossus humanus (Linnaeus, 1758)
Glossus cor (Linnaeus, 1767) accepted as Glossus humanus (Linnaeus, 1758)
Glossus humanus (Linnaeus, 1758)
Glossus lamarckii (Reeve, 1845) accepted as Meiocardia moltkiana (Gmelin, 1791)
Glossus lunulatus (Nyst, 1835) †
Glossus lunulatus crassus (Nyst & Westendorp, 1839) †
Glossus lunulatus lunulatus (Nyst, 1835) †
Glossus major (Hölzl, 1958) †
Glossus neocomiensis (Agassiz, 1842) †
Glossus olearii (O. Semper, 1861) †
Glossus rubicundus Poli, 1795 accepted as Glossus humanus (Linnaeus, 1758)
Glossus subtransversus (A. d'Orbigny, 1852) †
Glossus subtransversus kumsuatensis (Ilyina, 1960) † accepted as Glossus subtransversus (A. d'Orbigny, 1852) †
Glossus vulgaris (Reeve, 1845) accepted as Meiocardia vulgaris (Reeve, 1845)
Isocardia (Meiocardia) subcumingii H. Woodward, 1879 † accepted as Meiocardia subcumingii (H. Woodward, 1879) †
Isocardia (Miocardiella) taurinensis Sacco, 1904 † (uncertain > unassessed )
Isocardia aegyptiaca L. R. Cox, 1955 † (uncertain > unassessed )
Isocardia antiqua Goldfuss, 1837 † (uncertain > unassessed )
Isocardia astartiformis Münster, 1841 † accepted as Schafhaeutlia astartiformis (Münster, 1841) †
Isocardia ataxensis A. d'Orbigny, 1844 † (uncertain > unassessed )
Isocardia brevis C. H. d'Orbigny, 1822 † (uncertain > unassessed )
Isocardia buchii Klipstein, 1845 † accepted as Neomegalodon buchii (Klipstein, 1845) †
Isocardia carantonensis A. d'Orbigny, 1844 † (uncertain > unassessed )
Isocardia carinthiaca Boué, 1835 † accepted as Physocardia carinthiaca (Boué, 1835) †
Isocardia cingulata Goldfuss, 1837 † (uncertain > unassessed )
Isocardia concentrica J. De C. Sowerby, 1825 † (uncertain > unassessed )
Isocardia cor (Linnaeus, 1767) accepted as Glossus humanus (Linnaeus, 1758)
Isocardia cor var. valentiana Pallary, 1903 accepted as Glossus humanus (Linnaeus, 1758)
Isocardia cordiformis Zieten, 1833 † accepted as Isoarca cordiformis (Zieten, 1833) †
Isocardia cornuta Klöden, 1834 † (uncertain > unassessed )
Isocardia crassa Nyst & Westendorp, 1839 † accepted as Glossus lunulatus crassus (Nyst & Westendorp, 1839) †
Isocardia cretacea Goldfuss, 1837 † (uncertain > unassessed )
Isocardia cryptoceras A. d'Orbigny, 1844 † (uncertain > unassessed )
Isocardia cyprinoides Sandberger, 1861 † accepted as Pygocardia cyprinoides (Sandberger, 1861) †
Isocardia cyrenoides O. Boettger, 1880 † (uncertain > unassessed )
Isocardia cytheroides Mayer, 1868 † accepted as Cytherocardia cytheroides (Mayer, 1868) †
Isocardia dicerata C. H. d'Orbigny, 1822 † (uncertain > unassessed )
Isocardia elongata Zieten, 1833 † (uncertain > unassessed )
Isocardia eocaenica de Raincourt, 1876 † accepted as Cytherocardia eocaenica (de Raincourt, 1876) †
Isocardia exaltata Pusch, 1836 † (uncertain > unassessed )
Isocardia excentrica F. A. Roemer, 1836 † accepted as Ceratomya excentrica (F. A. Roemer, 1836) †
Isocardia floridana Dall, 1900 † accepted as Meiocardia floridana (Dall, 1900) †
Isocardia globosa Lamarck, 1801 accepted as Glossus humanus (Linnaeus, 1758)
Isocardia grandicornis Schafhäutl, 1851 † (uncertain > unassessed )
Isocardia harpa Goldfuss, 1841 † (uncertain > unassessed )
Isocardia hibernica Reeve, 1845 accepted as Glossus humanus (Linnaeus, 1758)
Isocardia hodgei Meek, 1871 † accepted as Procardia hodgei (Meek, 1871) †
Isocardia inversa Goldfuss, 1837 † (uncertain > unassessed )
Isocardia justinensis Mayer-Eymar, 1893 † (uncertain > nomen dubium )
Isocardia karabakhensis Bobkova, 1949 † (uncertain > unassessed )
Isocardia kumsuatense Ilyina, 1960 † accepted as Glossus subtransversus (A. d'Orbigny, 1852) †
Isocardia lamarckii Reeve, 1845 accepted as Meiocardia moltkiana (Gmelin, 1791)
Isocardia laticostata Münster, 1841 † accepted as Schafhaeutlia laticostata (Münster, 1841) †
Isocardia lineata Münster, 1837 † (uncertain > unassessed )
Isocardia linnaei Locard, 1886 accepted as Glossus humanus (Linnaeus, 1758)
Isocardia lunulata Nyst, 1835 † accepted as Glossus lunulatus (Nyst, 1835) †
Isocardia markoei Conrad, 1842 † (uncertain > unassessed )
Isocardia merrilli Hamlin, 1884 † (uncertain > unassessed )
Isocardia minima J. Sowerby, 1821 † (uncertain > unassessed )
Isocardia minuta Klipstein, 1845 † accepted as Neomegalodon minutus (Klipstein, 1845) †
Isocardia moltkiana (Gmelin, 1791) accepted as Meiocardia moltkiana (Gmelin, 1791)
Isocardia moltkiana var. sanguineomaculata Dunker, 1882 accepted as Meiocardia sanguineomaculata (Dunker, 1882)
Isocardia oblonga J. De C. Sowerby, 1825 † accepted as Cardiomorpha oblonga (J. De C. Sowerby, 1825) †
Isocardia olearii O. Semper, 1861 † accepted as Glossus olearii (O. Semper, 1861) †
Isocardia orthocera C. H. d'Orbigny, 1822 † (uncertain > unassessed )
Isocardia ovata Münster, 1837 † (uncertain > unassessed )
Isocardia plana Münster, 1841 † (uncertain > unassessed )
Isocardia pyrenaica A. d'Orbigny, 1844 † (uncertain > unassessed )
Isocardia rimosa Münster, 1837 † accepted as Neomegalodon rimosus (Münster, 1837) †
Isocardia rimosa var. elongata Klipstein, 1845 † (uncertain > unassessed )
Isocardia rostrata J. Sowerby, 1821 † (uncertain > unassessed )
Isocardia semisulcata Lamarck, 1819 accepted as Cardilia semisulcata (Lamarck, 1819)
Isocardia similis J. De C. Sowerby, 1826 † accepted as Tortarctica similis (J. De C. Sowerby, 1826) †
Isocardia striata C. H. d'Orbigny, 1822 † accepted as Ceratomyopsis striata (C. H. d'Orbigny, 1822) †
Isocardia striata Fucini, 1913 † accepted as Cornucardia hornigii (Bittner, 1901) †
Isocardia subspirata Münster, 1837 † accepted as Isoarca subspirata (Münster, 1837) †
Isocardia subtransversa A. d'Orbigny, 1852 † accepted as Glossus subtransversus (A. d'Orbigny, 1852) †
Isocardia subtransversa var. major Hölzl, 1958 † accepted as Glossus major (Hölzl, 1958) †
Isocardia sulcata J. Sowerby, 1821 † (uncertain > unassessed )
Isocardia tener J. Sowerby, 1821 † (uncertain > unassessed )
Isocardia tetragona A. Adams & Reeve, 1850 accepted as Meiocardia samarangiae F. R. Bernard, Y. Cai & B. Morton, 1993
Isocardia texata Münster, 1837 † (uncertain > unassessed )
Isocardia transversa Münster, 1837 † (uncertain > unassessed )
Isocardia truncata Goldfuss, 1837 † (uncertain > unassessed )
Isocardia unioniformis Phillips, 1836 † accepted as Edmondia unioniformis (Phillips, 1836) †
Isocardia vetusta Goldfuss, 1841 † (uncertain > unassessed )
Isocardia vulgaris Reeve, 1845 accepted as Meiocardia vulgaris (Reeve, 1845)
Isocardia zitteli G. Boehm, 1883 † (uncertain > unassessed )
Meiocardia agassizii Dall, 1886 accepted as Glossocardia agassizii (Dall, 1886)
Meiocardia cumingi (A. Adams, 1864)
Meiocardia delicata Kosuge & Kase, 1994 accepted as Meiocardia vulgaris (Reeve, 1845)
Meiocardia floridana (Dall, 1900) †
Meiocardia globosa Matsukuma & Habe, 1995 accepted as Meiocardia cumingi (A. Adams, 1864)
Meiocardia hawaiana Dall, Bartsch & Rehder, 1938
Meiocardia moltkiana (Gmelin, 1791)
Meiocardia nishimurai Kosuge & Kase, 1994 accepted as Meiocardia moltkiana (Gmelin, 1791)
Meiocardia palmerae Nicol, 1968 †