Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia
Original position
Original entries
Subsequent entries
| †Acamana (Genus) Simpson, Minoprio & Patterson, 1962 | |
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| †Anagonia (Genus) Ameghino, 1904, nom. dub. | |
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| †Astrapotheria (Order) Lydekker, 1894 | |
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| †Heterolophodon (Genus) Roth, 1903 | |
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| †Lambdaconus (Genus) Ameghino, 1897 | |
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| †Litopterna (Order) Ameghino, 1889 | |
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| †Notoungulata (Order) Roth, 1903 | |
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| †Prostylophorus (Genus) Roth, 1902, nom. dub. | |
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| †Pyrotheria (Order) Ameghino, 1895 | |
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| †Trilobodon (Genus) Roth, 1902 | |
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| †Xenungulata (Order) Paula Couto, 1952 | |
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Current position
Historical positions
Number of Subtaxa