Classification of Ameghino 1901
Fm. †Pantolambdidae Cope 1883
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G. †Ricardolydekkeria Ameghino 1901
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†Ricardolydekkeria praerupta Ameghino 1901
†Ricardolydekkeria profunda Ameghino 1901
Fm. †Meniscotheriidae Cope 1882
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G. †Anisolambda Ameghino 1901
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†Anisolambda fissidens Ameghino 1901
†Anisolambda latidens Ameghino 1901
†Anisolambda longidens Ameghino 1901
G. †Ernestohaeckelia Ameghino 1901
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†Ernestohaeckelia aculeata Ameghino 1901
†Ernestohaeckelia acutidens Ameghino 1901
G. †Josepholeidya Ameghino 1901
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†Josepholeidya adunca Ameghino 1901
†Josepholeidya deculca Ameghino 1901
G. †Victorlemoineia Ameghino 1901
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†Victorlemoineia emarginata Ameghino 1901
†Victorlemoineia labyrinthica Ameghino 1901
Fm. †Phenacodontidae Cope 1881 [condylarth]
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G. †Ernestokokenia Ameghino 1901
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†Ernestokokenia marginata Ameghino 1901
†Ernestokokenia nitida Ameghino 1901
G. †Selenoconus Ameghino 1901
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†Selenoconus agilis Ameghino 1901
†Selenoconus centralis Ameghino 1901
†Selenoconus senex Ameghino 1901
Or. Hyracoidea Huxley 1869 [hyrax]
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Invalid names: Acoelodidae Ameghino 1901 [empty]
Fm. †Notostylopidae Ameghino 1897
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G. †Homalostylops Ameghino 1901
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†Homalostylops interlissus Ameghino 1901
†Homalostylops rigeo Ameghino 1901
G. †Notostylops Ameghino 1897
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†Notostylops complexus Ameghino 1901
†Notostylops escaridus Ameghino 1901
†Notostylops irregularis Ameghino 1901
Fm. †Archaeopithecidae Ameghino 1897
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G. †Ultrapithecus Ameghino 1901
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†Ultrapithecus rusticulus Ameghino 1901
†Ultrapithecus rutilans Ameghino 1901
G. †Archaeopithecus Ameghino 1897
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†Archaeopithecus alternans Ameghino 1901
†Archaeopithecus rigidus Ameghino 1901
Fm. †Isotemnidae Ameghino 1897
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G. †Eochalicotherium Ameghino 1901
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†Eochalicotherium crassidens Ameghino 1901
†Eochalicotherium cretaceum Ameghino 1901
†Eochalicotherium minutum Ameghino 1901
†Eochalicotherium robustum Ameghino 1901
G. †Isotemnus Ameghino 1897
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†Isotemnus apicatus Ameghino 1901
†Isotemnus consumatus Ameghino 1901
†Isotemnus cuspidatus Ameghino 1901
†Isotemnus distentus Ameghino 1901
†Isotemnus emundatus Ameghino 1901
†Isotemnus enecatus Ameghino 1901
†Isotemnus lophiodontoides Ameghino 1901
G. †Pleurostylodon Ameghino 1897
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†Pleurostylodon divisus Ameghino 1901
†Pleurostylodon notabilis Ameghino 1901
†Pleurostylodon plexus Ameghino 1901
†Pleurostylodon similis Ameghino 1901
G. †Trimerostephanos Ameghino 1895
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†Trimerostephanos coalitus Ameghino 1901
†Trimerostephanos coarctatus Ameghino 1901
†Trimerostephanos cuneolus Ameghino 1901
†Trimerostephanos sigma Ameghino 1901
†Trimerostephanos ultimus Ameghino 1901
Fm. †Leontiniidae Ameghino 1894
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G. †Ancylocoelus Ameghino 1895
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†Ancylocoelus lentus Ameghino 1901
†Ancylocoelus minor Ameghino 1901
Fm. †Notohippidae Ameghino 1894
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G. †Morphippus Ameghino 1897
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†Morphippus fraternus Ameghino 1901
†Morphippus quadrilobus Ameghino 1901
Fm. †Archaeohyracidae Ameghino 1897
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Fm. †Astrapotheriidae Ameghino 1887
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G. †Henricofilholia Ameghino 1901
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†Henricofilholia cingulata Ameghino 1894
†Henricofilholia circumdata Ameghino 1901
†Henricofilholia inaequilatera Ameghino 1901
†Henricofilholia lustrata Ameghino 1901
G. †Parastrapotherium Ameghino 1895
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†Parastrapotherium insuperabile Ameghino 1901
†Parastrapotherium martiale Ameghino 1901
†Parastrapotherium superabile Ameghino 1901
†Parastrapotherium variabile Ameghino 1901
Subor. †Pyrotheria Ameghino 1895
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Fm. †Carolozittelidae Ameghino 1901
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G. †Carolozittelia Ameghino 1901
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†Carolozittelia eluta Ameghino 1901
†Carolozittelia tapiroides Ameghino 1901
G. †Paulogervaisia Ameghino 1901
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†Paulogervaisia celata Ameghino 1901
†Paulogervaisia inusta Ameghino 1901
Fm. †Pyrotheriidae Ameghino 1889
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G. †Euprotogonia Cope 1893
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†Euprotogonia patagonica Ameghino 1901
†Euprotogonia trigonalis Ameghino 1901
G. †Asmodeus Ameghino 1894
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†Asmodeus armatus Ameghino 1901
†Asmodeus circunflexus Ameghino 1901
Or. †Tillodonta Marsh 1875 [tillodont]
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Invalid names: Pantostylopidae Ameghino 1901 [empty]
G. †Proadiantus Ameghino 1897
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†Proadiantus gibbus Ameghino 1901
†Proadiantus pungidens Ameghino 1901
Fm. †Notopithecidae Ameghino 1897
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G. †Adpithecus Ameghino 1901
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†Adpithecus amplidens Ameghino 1901
†Adpithecus secans Ameghino 1901
G. †Antepithecus Ameghino 1901
G. †Argyrohyrax Ameghino 1897
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†Argyrohyrax acuticostatus Ameghino 1901
†Argyrohyrax concentricus Ameghino 1901
†Argyrohyrax nesodontoides Ameghino 1901
Fm. †Caroloameghinidae Ameghino 1901
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G. †Caroloameghinia Ameghino 1901
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†Caroloameghinia mater Ameghino 1901
†Caroloameghinia tenue Ameghino 1901
G. †Lambdaconus Ameghino 1897
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†Lambdaconus alius Ameghino 1901
†Lambdaconus mamma Ameghino 1901
†Lambdaconus porcus Ameghino 1901
Subor. Prosimiae Milne Edwards
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Fm. †Henricosbornidae Ameghino 1901
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G. †Postpithecus Ameghino 1901
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†Postpithecus curvicrista Ameghino 1901
†Postpithecus reflexus Ameghino 1901
Subor. †Taligrada Cope 1882
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Fm. †Trigonostylopidae Ameghino 1901
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G. †Trigonostylops Ameghino 1897
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†Trigonostylops duplex Ameghino 1901
†Trigonostylops eximius Ameghino 1901
†Trigonostylops hemicyclus Ameghino 1901
†Trigonostylops insumptus Ameghino 1901
†Trigonostylops integer Ameghino 1901
†Trigonostylops minimus Ameghino 1901
†Trigonostylops scabellum Ameghino 1901
†Trigonostylops secundarius Ameghino 1901
†Trigonostylops subtrigonus Ameghino 1901
†Trigonostylops trigonus Ameghino 1901
Fm. †Albertogaudryidae Ameghino 1901
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Fm. †Hegetotheridae Ameghino 1894
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Fm. †Adiantidae Ameghino 1891
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G. †Pseudadiantus Ameghino 1901
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†Pseudadiantus imperfectus Ameghino 1901
†Pseudadiantus secans Ameghino 1901
Fm. †Homalodontotheridae Ameghino 1889
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G. †Thomashuxleya Ameghino 1901
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†Thomashuxleya artuata Ameghino 1901
†Thomashuxleya externa Ameghino 1901
†Thomashuxleya robusta Ameghino 1901
†Thomashuxleya rostrata Ameghino 1901