The Itaboraian (Portuguese: Itaboraiense) age is a period within the Early Eocene geologic time (53.0–50.0 Ma) epoch of the Paleogene, used more specifically...

reaching a thickness of 100 metres (330 ft) is the defining unit for the Itaboraian South American land mammal age (SALMA), dating to the Early Eocene, approximately...

Miocene epochs. The earliest paucituberculatans date to the late Paleocene (Itaboraian South American land mammal age). The group went through a pronounced decline...

Rio Negro Province, Argentina. Genus ?Paleopsilopterus (Lower Eocene (Itaboraian) Itaboraí Formation of Itaboraí, Brazil) (identity as a phorusrhacid dubious)...

Alluvial-lacustrine Alluvial-fluvial Fluvio-lacustrine Lacustrine Fluvial Fluvio-deltaic Itaboraian volcanoclastics Itaboraian fauna Itaboraian flora Volcanic Yes...

American hoofed mammals that lived from the Late Paleocene to Early Eocene (Itaboraian to Casamayoran in the SALMA classification). Fossils of the order are...

have arisen multiple times. It lived around 53 to 50 million years ago (Itaboraian) in Brazil, during the Early Eocene. The only known species is Paleopsilopterus...

Titanoboa Temporal range: Mid-Late Paleocene (Peligran-Itaboraian) ~60–58 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Holotype dorsal vertebra of T. cerrejonensis...

Formation, Madagascar Eocene Casamayoran Sarmiento Formation, Argentina Itaboraian Las Flores Formation, Argentina and Itaboraí Formation, Brazil Mohabey...

Patagonia, are known from only a few dental remains. C. vieirai (from the Itaboraian SALMA of Itaborai) is known from much more complete dental, cranial, and...