Results 1 to 10 of about 39 (38)

A singular Hegetotheriinae (Notoungulata, Typotheria) from the late Oligocene-Early Miocene of the Subandean Region of Bolivia [PDF]

Brazilian Journal of Geology, 2021
Geological studies in the northern sector of the Chaco foreland Basin, Bolivia, yielded new fossils coming from late Oligocene-late Miocene of the Petaca Formation. Few fossil mammals were known from the Subandean Region of Bolivia. We report a partially
Marcelo Alfredo Reguero, David Eric Tineo, Paula Bona, Leandro Martín Pérez, Gustavo Dardo Vergani, Gloria González Ruiz, Daniel Gustavo Poiré   +6 more
doaj   +5 more sources

New Eocene South American native ungulates from the Quebrada de los Colorados Formation at Los Cardones National Park, Argentina [PDF]

Acta Palaeontologica Polonica, 2021
In the last few years, the Quebrada de Los Colorados Formation has become an important middle Eocene fossiliferous unit in Northwestern Argentina. In this unit, the South American native ungulates were until now only represented by the order Notoungulata,
Mercedes Fernández, Ana N. Zimicz, Mariano Bond, Laura Chornogubsky, Michelle Arnal, Magalí Cárdenas, Juan C. Fernicola   +6 more
doaj   +1 more source

Postcranial remains of basal typotherian notoungulates from the Eocene of northwestern Argentina [PDF]

Acta Palaeontologica Polonica, 2020
Notoungulates represent the most taxonomically diverse and temporally and geographically widespread group among South American native ungulates. Here, we analyze anatomical and systematic aspects of proximal tarsal bones recovered from the Lower and ...
Matías A. Armella, Daniel A. García-López, M. Judith Babot, Virginia Deraco, Claudia M. Herrera, Luis Saade, Sara Bertelli   +6 more
doaj   +1 more source

New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile [PDF]

American Museum Novitates, 2006
Abstract Two new basal interatheriids (“notopithecines”) are described from central Chile. Specimens of a new taxon, Johnbell hatcheri, derive from Abanico Formation deposits near Termas del Flaco, in the valley of the Rio Tinguiririca, forming a distinctive element of the Tinguiririca Fauna.
Ralph B. Hitz, John J. Flynn, André R. Wyss   +2 more
openaire   +1 more source

Interatheriidae (Typotheria; Notoungulata), body size and paleoecology characterization

Mammalian Biology, 2011
Abstract Size has a major influence on animal's adaptation to its environment and is central to paleobiological characterization of fossil mammals. We present new models of body mass estimation for the Interatheriidae (Notoungulata, Typotheria). This small herbivorous mammals extends from the late Paleocene to the late Miocene and they are very well ...
Scarano, Alejo Carlos, Carlini, Alfredo Armando, Illius, Andrew W.   +2 more
openaire   +2 more sources

THE RECORD OF THE TYPOTHERE PACHYRUKHOS (MAMMALIA, NOTOUNGULATA) AND THE CHINCHILLID PROLAGOSTOMUS (MAMMALIA, RODENTIA) IN THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) SOUTH TO THE RÍO COYLE, PATAGONIA, ARGENTINA

Publicación Electrónica de la Asociación Paleontológica Argentina, 2021
The continental early–middle Miocene Santa Cruz Formation (SCF) from Patagonia is one of the most important stratigraphic units of southern South America in terms of the terrestrial Neogene record.
Sergio F. Vizcaíno, M. Susana Bargo, Richard F. Kay, M. Sol Raigemborn   +3 more
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Structural variation of the masseter muscle in Typotheria (Mammalia, Notoungulata)

, 2017
The great morphologic diversity of the order Notoungulata is evident in remarkable traits, such as the body size, and this group includes from small, rodent size animals (e.g., Punapithecus) to forms exceeding 1000 kg in weight (e.g., Trigodon). Moreover, several cases of convergence with other placentals are known within the group, with rodent-like ...
SOSA, Luis Marcelo, GARCÍA LÓPEZ, Daniel Alfredo   +1 more
openaire   +2 more sources

Virtual Endocast Morphology of Mesotheriidae (Mammalia, Notoungulata, Typotheria): New Insights and Implications on Notoungulate Encephalization and Brain Evolution

Journal of Mammalian Evolution, 2017
We provide morphological, quantitative, and qualitative studies of cranial endocasts of mesotheriid notoungulates solving previous open debate on notoungulate endocasts. For that purpose, we use the most accurate digital reconstructions methods. We confirm that mesotheriids have endocasts similar in shape and gyrification to those of other rodent-like ...
Fernandez-Monescillo, Marcos, Antoine, Pierre-Olivier, Pujos, Francois, Rodrigues, Helder, Gomes, Bernardino, &, Quispe, Mamani, Orliac, Maeva   +6 more
openaire   +3 more sources

ON THE HOLOTYPE OF CAENOPHILUS TRIPARTITUS AMEGHINO, 1903 (INTERATHERIIDAE, NOTOUNGULATA): REVISION AND CLARIFICATION REGARDING ITS GEOGRAPHIC AND STRATIGRAPHIC PROVENANCES

Publicación Electrónica de la Asociación Paleontológica Argentina
In 1903, Florentino Ameghino erected the genus and species Caenophilus tripartitus based on a mandibular fragment and a lower isolated molar. The former specimen was illustrated about a decade later and it has been considered missing since, at least ...
Mercedes Fernández, Mariano Bond, Juan Carlos Fernicola   +2 more
doaj   +1 more source

NOTOUNGULATA AND ASTRAPOTHERIA (MAMMALIA, MERIDIUNGULATA) OF THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) ALONG THE RÍO SANTA CRUZ, ARGENTINE PATAGONIA

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
This contribution details new records of Notoungulata and Astrapotheria from the exposures of the Santa Cruz Formation in the Río Santa Cruz (Early–Middle Miocene; Province of Santa Cruz). The astrapothere Astrapotherium sp. Burmeister, the notoungulate
Mercedes Fernández, Nahuel Antu Muñoz
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