Classification of the family Palaeothentidae
Fm. †Palaeothentidae Sinclair 1906
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Subfm. †Acdestinae Bown and Fleagle 1993
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G. †Acdestis Ameghino 1887
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†Acdestis elatus Ameghino 1891
†Acdestis lemairei Bown and Fleagle 1993
†Acdestis maddeni Goin et al. 2003
†Acdestis oweni Ameghino 1887
†Acdestis parvus Ameghino 1891
†Acdestis spegazzinii Ameghino 1890
G. †Antawallathentes Rincón et al. 2015
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†Antawallathentes illimani Rincón et al. 2015
†Antawallathentes quinzacruza Rincón et al. 2015
Subfm. †Decastinae Ameghino 1894
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G. †Metriodromus Ameghino 1894
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†Metriodromus arenarus Ameghino 1894
†Metriodromus spectans Ameghino 1894
G. †Palaeothentes Ameghino 1887
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†Palaeothentes aratae Moreno 1882
†Palaeothentes boliviensis Patterson and Marshall 1978
†Palaeothentes intermedius Ameghino 1887
†Palaeothentes lemoinei Ameghino 1887
†Palaeothentes marshalli Bown and Fleagle 1993
†Palaeothentes migueli Bown and Fleagle 1993
†Palaeothentes minutus Ameghino 1887
†Palaeothentes pachygnathus Ameghino 1887
†Palaeothentes pascuali Bown and Fleagle 1993
†Palaeothentes pressiforatus Ameghino 1887
†Palaeothentes primus Ameghino 1902
†Palaeothentes relictus Engelman et al. 2017
†Palaeothentes serratus Engelman et al. 2017
†Palaeothentes smeti Flynn et al. 2002
Subfm. †Palaeothentinae
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G. †Propalaeothentes Bown and Fleagle 1993
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†Propalaeothentes hatcheri Bown and Fleagle 1993
†Propalaeothentes lepidus Bown and Fleagle 1993
G. †Parabderites Ameghino 1902
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†Parabderites bicrispatus Ameghino 1902
†Parabderites minusculus Ameghino 1902