Results 41 to 50 of about 254 (103)
Totoralia, a new conical-shaped mollusk from the middle Cambrian of western Argentina
The new genus Totoralia from the late middle Cambrian of El Totoral (Mendoza Province, western Argentina) is described herein. It is a delicate, high, bilaterally symmetrical cone with a sub-central apex and five to seven prominent comarginal ...
M.F. TORTELLO, N.M. SABATTINI
doaj
Los yaguares vivientes y extinguidos : de la América Austral [PDF]
Fil: Cabrera, Angel. Departamento de Paleozoología Vertebrados; Facultad de Ciencias Naturales y Museo; Universidad Nacional de La ...
Cabrera, Angel
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Early Jurassic coral reef development outside Tethys: an example from western Argentina [PDF]
Coral-reefs suffered during the end-Triassic extinction event, being scarce during the Early Jurassic. This paper deals with an Early Pliensbachian reef from Puesto Araya, southern Mendoza, Argentina.
Echevarría, Javier +4 more
core +1 more source
GEOCHEMICAL SIGNALS IN PALEOGENE PENGUINS FROM SEYMOUR ISLAND (ISLA MARAMBIO), ANTARCTIC PENINSULA
Trace elements, particularly rare earth elements (REE), are widely used as proxies to reconstruct paleoenvironmental and taphonomic conditions. We traced these elements in fossil penguin bones collected along the Paleogene sequence exposed in Seymour ...
Leandro Martín Pérez +6 more
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Bivalves and evolutionary resilience: Old skills and new strategies to recover from the P/T and T/J extinction events [PDF]
Diversity dynamics among bivalves during the Triassic and Early Jurassic provides the opportunity to analyse the recovery patterns after two mass extinctions: Permian/Triassic and Triassic/Jurassic (T/J).
Echevarría, Javier +4 more
core +1 more source
Pectinids from the Paraná Formation (Miocene) Entre Ríos - Argentina [PDF]
Se describen tres especies de pectínidos (Bivalvia: Pectinidae) proveniente de la Formación Paraná (Mioceno) de la provincia de Entre Ríos. Estas son Aequipecten paranensis (d´Orbigny, 1842), Amusium darwinianum (d´Orbigny, 1842) y Flabellipecten ...
Pérez, Leandro Martín +2 more
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Massive grey limestone blocks containing a fairly diverse but poorly preserved archaeocyath fauna were recovered from a meta-conglomerate bed in the El Jagüelito Formation (Sierra Grande area, Eastern North Patagonian Massif, Río Negro, Argentina).
P.D. GONZÁLEZ +2 more
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Catálogo de material tipo e ilustrado de invertebrados fósiles del Museo de La Plata, Parte 2
Fil: Riccardi, Alberto Carlos. División Paleozoología Invertebrados, Museo de La Plata; ArgentinaFil: Martin, Carmen Susana.
Riccardi, Alberto Carlos +1 more
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The data comprises the linear measurements (length, width and heigth in microns) and the Procrustes coordinates in lateral and dorsal views of the carapaces of the Darwinulocopina Prasuchonella huarpe (Middle Triassic, Cerro de las Cabras Formation ...
Echevarría, Javier +2 more
core +1 more source
A New Nelala (Odonata: Frenguelliidae) from the Eocene of Arroyo Chacay, Patagonia, Argentina [PDF]
A new species of Odonata, Nelala chacay sp. nov., from the Eocene of Northern Patagonia, Argentina, is described. The new species is the sixth one of the endemic Patagonian Eocene family Frenguelliidae. Nelala chacay sp. nov.
Petrulevicius, Julian Fernando
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