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Mostrando ítems 61-70 de 208
Notoungulate faunas of north-western Argentina: new findings of early-diverging forms from the Eocene Geste Formation
(Taylor & Francis, 2015-02)
Vertebrate-bearing deposits of the Geste Formation (Late Eocene) crop out in the Puna of Catamarca and Salta, north-western Argentina, and have yielded specimens of a variety of clades. Among these, mammals have particular ...
The Interatheriinae notoungulates from the middle Miocene Collón Curá Formation in Argentina
(Polish Academy of Sciences. Institute of Paleobiology, 2017-12)
The Interatheriinae (Notoungulata, Interatheriidae) from the Collón Curá Formation (Colloncuran South American Land Mammal Age, SALMA) are revised here, based on old and new collections from western Neuquén, Río Negro, and ...
Splendid innovation: The extinct south american native ungulates
(Annual Reviews, 2020-05)
A remarkable diversity of plant-eating mammals known as South American native ungulates (SANUs) flourished in South America for most of the Cenozoic. Although some of these species likely filled ecological niches similar ...
Patagonian Eocene Archaeopithecidae Ameghino, 1897 (Notoungulata): Systematic revision, phylogeny and biostratigraphy
(Paleontological Society, 2017-11)
The Archaeopithecidae is a very poorly known group of native ungulates from the Eocene of Patagonia (Argentina), whose alpha taxonomy has remained obscure since Ameghino's times. It is traditionally considered as a family ...
Systematic revision of Antepithecus brachystephanus Ameghino, 1901, and dental eruption sequence in Eocene “notopithecines” (Notoungulata) from Patagonia
(Elsevier Masson, 2014-05)
In this contribution, a detailed systematic study of all species previously placed into the genus Antepithecus, a Barrancan (middle Eocene) “notopithecine” from Patagonia, is performed. In addition, other species described ...
Revision of the stratigraphic provenance of ethegotherium carettei (Notoungulata, Hegetotheriidae) by sedimentary petrography
(E Schweizerbartsche Verlags, 2008-04)
Ethegotherium carettei Minoprio was considered among the species with derived characteristics from Divisadero Largo Formation (Mendoza, Argentina); seven thin rock sections were taken for petrographical analysis to test ...
New Information on the Interatheriid Antofagastia turneri García-Lopez and Babot (Mammalia, Notoungulata) from Northwestern Argentina
(Asociación Paleontológica Argentina, 2015-02)
Recent fieldtrips led to the discovery of new specimens of a recently described interatheriid from Northwestern Argentina, Antofagastia turneri. These new specimens show some intraspecific variation regarding size and ...
La estructura de la dentición caduca de huilatherium pluripicatum, leontiniidae (notoungulata) del mioceno de colombia
(Departamento de Geociencias, 1997)
Este trabajo constituye una contribución al conocimiento de Huilatherium pluriplicatum VILLARROEL and amp; GUERRERO, 1985 Leontíniido del Mioceno de La Venta (Huila, Colombia). Se describen en detalle los rasgos de los ...