Descriptions of the oldest known South American mammals, from the Rio Chico Formation

G. G. Simpson

1935

Article

American Museum Novitates 793:1-25

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Taxa discussed in this work:

• Amphidolops yapa
• Carodnia
• Carodnia feruglioi
• Ctalecarodnia
• Ctalecarodnia cabrerai
• Entelonychia
• Ernestokokenia chaishoer
• Ernestokokenia yirunhor
• Gashternia
• Gashternia ctalehor
• Henricosbornia waitehor
• Isotemnus ctalego
• Kibenikhoria
• Kibenikhoria get
• Patene
• Patene coluapiensis
• Peripantostylops orehor
• Polydolops kamektsen
• Polydolops winecage
• Seudenius
• Seudenius cteronc
• Seumadia
• Shecenia
• Shecenia ctirneru
• Trigonostylopoidea
• Wainka
• Wainka tshotshe

Taxonomy:

• Ernestokokenia yirunhor belongs to Ernestokokenia - Simpson (1935)
• Ernestokokenia chaishoer belongs to Ernestokokenia - Simpson (1935)
• Peripantostylops orehor belongs to Peripantostylops - Simpson (1935)
• Henricosbornia waitehor belongs to Henricosbornia - Simpson (1935)
• Seudenius belongs to Notioprogonia - Simpson (1935)
• Seudenius cteronc belongs to Seudenius - Simpson (1935)
• Entelonychia belongs to Notoungulata - Simpson (1935)