Results 21 to 30 of about 254 (103)
A New Malachite Damselfly (Synlestidae: Odonata) from the Eocene of Patagonia, Argentina [PDF]
Fil: Petrulevicius, Julián Fernando. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo.
Petrulevicius, Julián Fernando
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El sitio arqueológico Inca Cueva 5 se encuentra en la provincia de Jujuy, Argentina, en el borde oriental de la región de la Puna (23" 05' S - 65" 27' W; 3700 m s n m) y está fechado entre 2120 f 120 y 780 f 100 años radiocarbónicos AP. El estudio de una
P. Teta, P. E. Ortiz
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Numerosos trabajos regionales o locales han propuesto el reconocimiento de unidades biogeográficas de distintos rangos (biocoremas) basadas sobre la distribución de los moluscos bivalvos para el Jurásico, pero no existía una síntesis a nivel mundial ...
Damborenea, Susana E.
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Nomenclatural revision concerning some genera of the Order Trigoniida (Bivalvia) [PDF]
The authors have become aware of a couple of nomenclatural conflicts involving Mesozoic trigoniid genera, which are in need of clarification and proposal of replacement names: The case of Protrigonia. The subgenus Trigonia (Protrigonia) Guo, 1985 (p. 204,
Echevarría, Javier +2 more
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First record of a fossil selenariid bryozoan in South America [PDF]
Selenariidae Busk 1854 (Bryozoa) is considered endemic to Australia and New Zealand. Here we describe a new species of Selenaria Busk 1854 from the lower Miocene Monte León Formation (Patagonia, Argentina). Selenaria lyrulata sp. nov. is characterized by
Pérez, Leandro Martín +5 more
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First argiolestid damselfly (Odonata: Zygoptera) from the late Palaeocene of Northwest Argentina [PDF]
Megapodagrionids in the wide sense are a polyphyletic group of damselflies (Huang et al., 2018). In recent studies there is a tendency to restrict the Megapodagrionidae only to few genera, and to over rank some subfamilies such as Philosininae and ...
Petrulevicius, Julian Fernando +1 more
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Peces en el contexto arqueológico teotihuacano: cómo, cuándo y dónde
La arqueología en Teotihuacan sigue sorprendiendo a propios y extraños pues, en los últimos años, se presentó una inusual concentración de huesos de peces que fueron capturados y preparados en época prehispánica.
Bernardo Rodríguez Galicia
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The cheilostome bryozoan genus Cellaria is characterized by articulated, dichotomously branching colonies, which are composed of cylindrical internodes joined by cuticular nodes.
Juan López-Gappa +4 more
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How network analysis could help in the study of invasions of non-native mollusc species [PDF]
In this context, non-native mollusc species (NNMS) are huge threats to entire terrestrial, freshwater and marine ecosystems. Usually as a result of human commercial activities, NNMS are introduced into novel areas and rapidly expand by using a variety of
Victorero, F. Agustin +3 more
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El final del Pleistoceno impulsó importantes adaptaciones en numerosos seres vivos. Una fue la evolución a un ámbito hasta esa época desconocido: el humano.
Raúl Valadez Azúa
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