Classification of Cox et al. 1969
G. †Palaeoneilo Hall and Whitfield 1869
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Invalid names: Synek Barrande 1881 [synonym]
G. †Cardiola Broderip 1839
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Invalid names: Cardiopsis Meek and Worthen 1862 [synonym]
G. Crenella Brown 1827
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†Crenella isocardioides Lea 1833
Invalid names: Hippagus Lea 1833 [synonym]
G. Chlamys Röding 1798
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Subg. †Chlamys (Kaparachlamys)
Subg. †Chlamys (Mixtipecten) Marwick 1928
Subg. †Chlamys (Pethopecten) Hertlein 1936
Subg. †Chlamys (Phialopecten)
G. †Kochia Frech 1891
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†Kochia capuliformis Koch 1881
†Kochia dispar Sandberger and Sandberger 1856
G. Palliolum Monterosato 1884
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Subg. †Palliolum (Lissochlamis)
Subg. †Palliolum (Parvochlamys)
G. Propeamussium de Gregorio 1884
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Invalid names: Propeamussium (Propeamussium) Dall 1886 [nomen vanum]
G. †Pseudomonotis von Beyrich 1862
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Invalid names: Pachypteria Koninck 1885 [synonym]
G. †Pterinopecten Hall 1883
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Subg. †Pterinopecten (Newellipecten) Ruzicka et al. 1959
Subg. †Pterinopecten (Vertumnia)
G. †Weyla Böhm 1920
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Subg. †Weyla (Pseudovola) Lissajous 1923
Invalid names: Parapecten Crickmay 1930 [synonym]
G. †Laevitrigonia Lebküchner 1932
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G. †Myophoria Bronn 1834
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†Myophoria vulgaris von Schlotheim 1820
Invalid names: Trigonellites von Schlotheim 1820 [synonym]
G. †Pachyrisma Morris and Lycett 1850
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Subg. †Pachyrisma (Durga)
Subg. †Pachyrisma (Pachymegalodon) Gümbel 1862
Fm. †Ambonychiidae Miller 1877
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G. †Enkelbergia
G. †Myalinopterella
G. †Pompeckjina
Fm. †Bakevelliidae King 1850
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G. †Euptera Dartevelle 1957
G. †Kobayashites Hayami 1959
Subfm. †Cardiolinae Fischer 1886
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G. †Euthydesma Hall 1885
G. †Opisthocoelus Beushausen 1895
Fm. †Ceratomyidae Arkell 1934
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G. †Ceromyella
G. †Pholadomyocardia Szajnocha 1889
Superfm. †Ctenodontacea Wöhrmann 1893
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Fm. †Ctenodontidae Wöhrmann 1893
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G. †Ctenodonta Salter 1852
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†Ctenodonta nasuta Hall 1847
Invalid names: Tellinomya Hall 1847 [synonym]
Superfm. †Cycloconchacea Ulrich 1884
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Fm. †Cycloconchidae Ulrich 1884
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Invalid names: Lamellodontidae Vogel 1962 [empty]
Fm. †Ferganoconchidae Martinson 1956
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G. †Ferganoconcha Ljutkevitch and Nalivkin 1960
Fm. †Inoceramidae Giebel 1852
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G. †Arcticeramus
G. †Inoceramya
G. †Lenella
G. †Sergipia
G. †Turkmenia
Fm. Malleidae Lamarck 1819
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G. †Aviculovulsa
G. †Bouleigmus
G. †Chalmasia
G. †Heligmina
G. †Heligmopsis
G. †Ostreinella
G. †Pseudoheligmus
G. †Vulsellina
Invalid names: Vulsellidae Adams 1857 [synonym]
Fm. Manzanellidae Chronic 1952
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G. Huxleyia Adams 1860
G. †Manzanella Girty 1909
G. Nucinella Wood 1850
Superfm. †Modiomorphacea Miller 1877
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Fm. †Modiomorphidae Miller 1877
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G. †Cymatonota Ulrich 1893
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†Cymatonota typicalis Ulrich 1894
Invalid names: Chaenodomus Ulrich 1894 [synonym], Endodesma Ulrich 1894 [synonym], Physetomya Ulrich 1893 [synonym], Psiloconcha Ulrich 1894 [synonym]
G. †Goniophora Phillips 1848
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Invalid names: Mytilomorpha Hind 1899 [synonym], Naiadopsis Mendes 1952 [synonym]
G. †Modiolopsis Hall 1847
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†Modiolopsis modiolaris Conrad 1838
Invalid names: Corallidomus Whitfield 1895 [synonym], Lithobia Koken 1902 [synonym], Modiodesma Ulrich 1924 [objective synonym], Orthodesma Hall and Whitfield 1875 [synonym], Orthonotella Miller 1882 [synonym], Sphenolium Miller 1889 [synonym]
G. †Modiomorpha Hall and Whitfield 1869
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†Modiomorpha concentrica Conrad 1838
Invalid names: Palaeanatina Hall 1870 [synonym]
G. †Pholadomorpha Foerste 1914
G. †Tanaodon Kirk 1927
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†Tanaodon amygdalina Heidecker 1959
†Tanaodon louderbacki Kirk 1927
Invalid names: Neoactinodonta Heidecker 1959 [synonym]
G. †Tylophora Dahmer 1936
G. †Whiteavesia Ulrich 1893
Fm. †Monopteriidae Newell 1969
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Fm. †Myalinidae Frech 1891
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G. †Anthraconauta Pruvost 1930
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Subg. †Anthraconauta (Augea) Khalfin 1950
Subg. †Anthraconauta (Kinerkaella) Khalfin 1950
Subg. †Anthraconauta (Mrassiella) Ragozin 1935
G. †Boiomytilus
G. †Pseudopachymytilus Krumbeck 1923
Superfm. Nuculacea Gray 1824
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Fm. †Praenuculidae McAlester 1968
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G. †Cardiolaria Munier-Chalmas 1876
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†Cardiolaria barrandei Munier-Chalmas 1876
Invalid names: Honeymania McLearn 1918 [synonym]
G. †Deceptrix Fuchs 1919
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†Deceptrix carinata Fuchs 1919
Invalid names: Praeleda Pfab 1934 [synonym]
G. †Praenucula Pfab 1934
Superfm. †Nuculanacea Adams and A. 1858
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Subfm. Malletiinae Adams and Adams 1858
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G. †Myoplusia Neumayr 1884
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†Myoplusia bilunata Barrande 1881
Invalid names: Pseudocyrtodonta Pfab 1934 [synonym]
G. †Nuculites Conrad 1841
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Invalid names: Cleidophorus Hall 1847 [synonym], Cucullella McCoy 1851 [synonym], Pyrenomoeus Hall 1852 [synonym]
Fm. Pectinidae Wilkes 1810 [scallop]
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G. †Neithella
G. †Ventalium De Gregorio 1930
Fm. Pholadomyidae King 1844
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G. †Girardotia
G. †Machomya
G. †Molukkana Krumbeck 1923
G. †Triplicosta Cooper 1896
Fm. †Pterineidae Miller 1877
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G. †Alnifia
G. †Anderkenia
G. †Barbosaia Mendes 1952
G. †Cliopteria
G. †Dolichopteron
G. †Merismopteria
G. †Newsomella Foerste 1909
G. †Palaeopinna Hall 1883
G. †Pteronitina
Superfm. Trigoniacea Lamarck 1819
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G. †Anopisthodon Philippi 1899
G. †Aulacopleurum Philippi 1899
Fm. Trigoniidae Lamarck 1819
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G. †Actinotrigonia
G. †Climacotrigonia
G. †Mesotrigonia
G. †Quoiecchia Crickmay 1930
Subfm. Modiolinae Termier and Termier 1950
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G. †Mytilops
G. Notobotula
G. †Praemytilus
Fm. Malletiidae Adams and Adams 1858
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G. †Bicrenula Williams and Breger 1916
G. †Tropinuculites McLearn 1918