Classification of Simpson 1937

G. †Ectypodus Matthew and Granger 1921
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Ectypodus cochranensis Russell 1929
G. †Ptilodus Cope 1881
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Invalid names: Chirox Cope 1884 [synonym]
G. †Eucosmodon Matthew and Granger 1921
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Eucosmodon sparsus Simpson 1937
G. †Cimolomys Marsh 1889
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Cimolomys gracilis Marsh 1889
G. †Gelastops Simpson 1935
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Invalid names: Emperodon Simpson 1935 [synonym]
G. †Coriphagus Douglass 1908
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Coriphagus encinensis Matthew and Granger 1921
Invalid names: Mixoclaenus Matthew and Granger 1921 [synonym]
G. †Elpidophorus Simpson 1927
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Elpidophorus minor Simpson 1937
Or. Insectivora Bowdich 1821 [insectivoran]
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Fm. †Picrodontidae Simpson 1937
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G. †Picrodus Douglass 1908
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Picrodus silberlingi Douglass 1908
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Invalid names: Megopterna minuta Douglass 1908 [synonym]
Invalid names: Megopterna Douglass 1908 [synonym]
Or. Primates Linnaeus 1758 [primate]
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Fm. †Anaptomorphidae Cope 1883
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G. †Palaechthon Gidley 1923
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Palaechthon alticuspis Gidley 1923
G. †Palenochtha Simpson 1935
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Palenochtha minor Gidley 1923
G. †Paromomys Gidley 1923
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Paromomys depressidens Gidley 1923
Paromomys maturus Gidley 1923
Fm. †Carpolestidae Simpson 1935
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G. †Carpodaptes Matthew and Granger 1921
G. †Carpolestes Simpson 1928
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Invalid names: Litotherium Simpson 1929 [synonym]
G. †Elphidotarsius Gidley 1923
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Elphidotarsius florencae Gidley 1923
Fm. †Plesiadapidae Trouessart 1897
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G. †Chiromyoides Stehlin 1916
G. †Platychoerops Charlesworth 1855
G. †Plesiadapis Gervais 1877
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Plesiadapis anceps Simpson 1936
Plesiadapis dubius Matthew 1915
Plesiadapis gidleyi Matthew 1917
Plesiadapis rex Gidley 1923
Invalid names: Nothodectes Matthew 1915 [synonym]
G. †Pronothodectes Gidley 1923
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Pronothodectes matthewi Gidley 1923
Fm. †Viverravidae Wortman and Matthew 1899
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G. †Viverravus Marsh 1872
Fm. †Arctocyonidae Murray 1866 [condylarth]
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G. †Mimotricentes Simpson 1937
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Mimotricentes angustidens Simpson 1937
Mimotricentes latidens Gidley 1935
G. †Loxolophus Cope 1885
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Invalid names: Protochriacus Scott 1892 [synonym]
Fm. †Mioclaenidae Osborn and Earle 1895 [condylarth]
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G. †Choeroclaenus Simpson 1937
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G. †Ellipsodon Scott 1892
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Ellipsodon lemuroides Matthew 1897
G. †Protoselene Matthew 1897
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G. †Oxyacodon Osborn and Earle 1895
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Oxyacodon agapetillus Cope 1884
G. †Periptychus Cope 1881
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Invalid names: Catathlaeus Cope 1881 [synonym]
Fm. †Phenacodontidae Cope 1881 [condylarth]
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G. †Tetraclaenodon Scott 1892
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Invalid names: Euprotogonia Cope 1893 [synonym], Protogonia Cope 1881 [synonym]
G. †Bessoecetor Simpson 1936
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Bessoecetor diluculi Simpson 1935
G. †Claenodon Scott 1892
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Claenodon ferox Cope 1883
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Invalid names: Mioclaenus corrugatus Cope 1883 [synonym]
Claenodon latidens Gidley 1919
Claenodon montanensis Gidley 1919
Claenodon procyonoides Matthew 1937
Claenodon silberlingi Gidley 1919
Invalid names: Neoclaenodon Gidley 1919 [synonym]
Gelastops parcus Simpson 1935
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Invalid names: Emperodon acmeodontoides Simpson 1935 [synonym]
G. †Gidleyina Simpson 1935
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Gidleyina superior Simpson 1935
G. †Halodon Marsh 1889
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Halodon formosus Marsh 1889
Halodon serratus Marsh 1889
Metachriacus punitor Simpson 1935
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Invalid names: Chriacus pusillus Simpson 1935 [synonym]
Ptilodus montanus Douglass 1908
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Invalid names: Ptilodus admirabilis Hay 1930 [synonym]
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Invalid names: Euprotogonia minor Matthew 1897 [synonym]