The Sarmiento Formation (Spanish: Formación Sarmiento), in older literature described as the Casamayor Formation, is a geological formation in Chubut...

Formation, Peru Barrancan Progarzonia notostylopense - Sarmiento Formation, Argentina Deseadan Pseudhalmarhiphus guaraniticus - Sarmiento Formation,...

years ago in Patagonia, Argentina (Santa Cruz and Sarmiento Formations) and Chile (Río Frias Formation). Borhyaena was a predator and had a large head and...

Madagascar Eocene Casamayoran Sarmiento Formation, Argentina Itaboraian Las Flores Formation, Argentina and Itaboraí Formation, Brazil Mohabey, D.M.; Head...

found in the Santa Cruz Formation in Argentina. Other fossils have been found in the Deseado, Sarmiento, and Aisol Formations of Argentina and Chile (Cura-Mallín...

icaeorhinus, from a fragmented skull and lower jaw found in the Sarmiento Formation. The specimen was discovered by the American Museum of Natural History's...

Paleocene to Miocene in what is now Argentina (Salamanca and Sarmiento Formations), Itaboraí Formation of Brazil and Colombia (Honda Group). Eocaiman contains...

of presbyornithid bird from the Eocene Bird Clay Locality of the Sarmiento Formation of Chubut Province, Argentina. The genus contains a single species...

Astegotherium is an extinct genus of xenarthran, belonging to the family Dasypodidae. It lived from the Early to the Middle Eocene, and its fossilized...

south-east of the Chubut Province of Argentina in the lower parts of the Sarmiento Formation. The holotype specimen, MPEF-PV 10556, consists of a partial skeleton...