|
Prohegetotherium
''Prohegetotherium'' is an extinct genus of Hegetotheriidae, hegetotheriid Notoungulata, notoungulates from the Oligocene, Late Oligocene to Miocene, Early Miocene (Deseadan-Santacrucian in the South American land mammal age, SALMA classification) of the Agua de la Piedra Formation, Agua de la Piedra, Mariño Formation, Mariño & Sarmiento Formations of Argentina, the Petaca Formation, Petaca and Salla Formations of Bolivia, and Fray Bentos Formation of Uruguay.''Prohegetotherium'' at Fossilworks.org Taxonomy ''Prohegetotherium'' comprises three species, ''P. sculptum'', ''P. schiaffinoi'', and ''P. malalhuense''. Although ''Prohegetotherium shumwayi'' and ''P. crassus'' have long been synonymized with ' ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deseadan
The Deseadan ( es, Deseadense) age is a period of geologic time (29.0–21.0 Ma) within the Oligocene epoch of the Paleogene to the Early Miocene epoch of the Neogene, used more specifically within the SALMA classification of South America. It follows the Tinguirirican and precedes the Colhuehuapian age. Etymology The age is named after the Deseado Formation of the Deseado Massif in eastern Patagonia, Argentina. Formations Fossils Correlations The Deseadan South American land mammal age (SALMA) is equivalent to the Arikareean in the North American land mammal age (NALMA) and the Harrisonian The Harrisonian North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 24,800,000 to 20,600,000 years BP, a period of . It is usual ... in the 2000 version of the classification. It overlaps with the Hsandagolian of Asia and the MP 25 zone of Europe, the Waitak ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
