Are geometric morphometric analyses replicable? Evaluating landmark measurement error and its impact on extant and fossil Microtus classification. [PDF]
, 2020 Geometric morphometric analyses are frequently employed to quantify biological shape and shape variation. Despite the popularity of this technique, quantification of measurement error in geometric morphometric datasets and its impact on statistical ...
Adams D. C. +8 more
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Systematic description of three new mammals (Notoungulata and rodentia) from the Early Miocene Cerro Bandera Formation, Northern patagonia, Argentina [PDF]
, 2015 Fil: Kramarz, Alejandro G.. Museo Argentino de Ciencias Naturales. Bernardino Rivadavia. Buenos Aires; ArgentinaFil: Bond, Mariano. División Paleontología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil:
Arnal, Michelle +2 more
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Patagonian Eocene Archaeopithecidae Ameghino, 1897 (Notoungulata): systematic revision, phylogeny and biostratigraphy [PDF]
Journal of Paleontology, 2017 AbstractThe 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 representative of the Casamayoran (middle Eocene) South American Land Mammal Age, and is thought to be morphologically close
openaire +2 more sources
Los Mesotheriinae (Mesotheriidae, Notoungulata) del Mioceno Superior de La Pampa, Argentina
Spanish Journal of Palaeontology, 2021 Se describen más de 180 restos de Mesotheriidae Mesotheriinae (Notoungulata) del Mioceno Superior de la provincia de La Pampa (Argentina). Proceden básicamente de la Formación Cerro Azul, pero también se ha incluido material de la Formación El Palo, y se identifican como Typotheriopsis silveyrai Cabrera, 1937 y Pseudotypotherium subinsigne (Rovereto ...
Esperanza Cerdeño, Claudia I. Montalvo
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Hermann Karsten (1817–1908): a German naturalist in the Neotropics and the significance of his paleovertebrate collection [PDF]
Fossil Record, 2016 During the mid-19th century, the German naturalist Hermann Karsten conducted a 12-year exploration (1844–1856) in the territories of Ecuador, New Granada (now Colombia) and Venezuela, allowing him to produce important botanic, geographic and geologic ...
J. D. Carrillo-Briceño +3 more
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New Early Eocene mammalian fauna from western Patagonia, Argentina [PDF]
, 2009 Two new fossil mammal localities from the Paleogene of central-western Patagonia are preliminarily described as the basis for a new possible biochronological unit for the early Eocene of Patagonia, correlated as being between two conventional SALMAs, the
Aragón, E +14 more
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Terrae Didatica, 2017 Os notoungulados são ungulados nativos sul-americanos registrados do Paleoceno ao Pleistoceno, e cuja diversidade declinou drasticamente durante o Plioceno, alcançando a América Central e América do Norte durante o Pleistoceno.
Patrícia Rodrigues Braunn +1 more
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Fossil pollen records reveal a late rise of open-habitat ecosystems in Patagonia [PDF]
, 2012 The timing of major turnovers in terrestrial ecosystems of the Cenozoic Era has been largely interpreted from the analysis of the assumed feeding preference of extinct mammals. For example, the expansion of open-habitat ecosystems (grasslands or savannas)
Barreda, Viviana Dora, Palazzesi, Luis
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A New Species of Neoglyptatelus (Mammalia, Xenarthra, Cingulata) from the Late Miocene of Uruguay Provides New Insights on the Evolution of the Dorsal Armor in Cingulates [PDF]
, 2018 The genus Neoglyptatelus Carlini, Vizcaíno and Scillato-Yané has been considered a member of Glyptatelinae, a group encompassing the purportedly basal-most glyptodonts.
Fernicola, Juan Carlos +4 more
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Revista Mexicana de Ciencias Geológicas, 2018 Se analizaron las características fosildiagenéticas, incluyendo aspectos mineralógicos, geoquímicos y paleohistológicos, presentes en costillas de Toxodon platensis Owen (Mammalia, Notoungulata, Toxodontidae).
Rodrigo L. Tomassini +4 more
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