Classification of the genus Exogyra

G. †Exogyra Say 1820
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Subg. †Exogyra (Aetostreon) Bayle 1878
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Aetostreon latissimum Lamarck 1801
Aetostreon neocomiensis d'Orbigny 1851
Aetostreon subsinuatum Leymerie 1842
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Invalid names: Aetostreon putnami Imlay 1937 [synonym]
Subg. †Exogyra (Costagyra) Vialov 1936
Subg. †Exogyra (Exogyra) Say 1820
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Exogyra africana Lamarck 1801
Exogyra americana Marcou 1858
Exogyra auriformis von Koenen 1897
Exogyra californica Packard 1922
Exogyra conica Sowerby 1813
Exogyra contorta Eichwald 1868
Exogyra davidsoni Whidborne 1883
Exogyra ganhamoroba Maury 1936
Exogyra griepenkerli Böhm 1891
Exogyra inornata Packard 1922
Exogyra lancha Stoyanow 1949
Exogyra miotaurinensis Sacco 1897
Exogyra mutatoria White 1887
Exogyra ostracina Lamarck 1801
Exogyra overwegi von Buch 1852
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Invalid names: Exogyra decussata Goldfuss 1834 [synonym], Exogyra matheroniana Orbigny 1923 [synonym], Ostrea (Exogyra) overwegi Buch 1953 [synonym], Ostrea fourneti Coquand 1862 [synonym]
Exogyra quitmanensis Cragin 1893
Exogyra reedi Imlay 1937
Exogyra scheibei Bohm 1926
Exogyra sergipensis Maury 1936
Exogyra solea Müller 1900
Exogyra tamaulipana Imlay 1937
Exogyra upatoiensis Stephenson 1914
Exogyra wetzleri Boehm 1882
Exogyra woolmani Richards 1947
Exogyra yabei Nagao 1934
Invalid names: Chama cornu arietis Nilsson 1827 [synonym]