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Mostrando ítems 11-20 de 215
Early Devonian trilobites from the Sierra de Las Minitas, northernmost Precordillera (La Rioja province), Argentina
(Asociacion Paleontologica Argentina, 2011-06)
Early Devonian trilobites are described based on material from Sierra de Las Minitas, in the northern extent of the Precordillera, western Argentina. This diverse fauna, the first one known from La Rioja Province, includes ...
Trilobites epipelágicos del Ordovícico de Perú y Bolivia
(Sociedad Geológica del PerúPE, 2015)
[ENG] Epipelagic telephinid trilobites rarely occur in the Ordovician of South America, being represented by few specimens recorded from the Argentinian Precordillera, the Famatina Basin, eastern Puna and Cordillera ...
Elviniid trilobites from the Elvinia Zone (late Cambrian, Furongian) of Mendoza, western Argentina
(Paleontological Society, 2020-08)
In the 1950s, Carlos Rusconi reported the biostratigraphically important Furongian trilobites Elvinia Walcott and Irvingella Ulrich and Resser from an exotic limestone block (La Cruz Olistolith) of the San Isidro area, ...
A systematic revision of the late Furongian trilobites from Cerro Pelado, Mendoza, Argentina
(Asociacion Paleontologica Argentina, 2014-07)
Late Furongian (late Cambrian) trilobites are described from the black, deep water limestones of the El Relincho Formation in Cerro Pelado, Precordillera of Mendoza, western Argentina. In addition, selected type specimens ...
Late Furongian trilobites from the Quebrada Oblicua, San Isidro area, Mendoza, Argentina
(Association of Australasian Palaeontologists, 2014-03)
The trilobites from the “Hungaia puelchana Zone” (=Saukia Zone) of the San Isidro area (Mendoza, western Argentina) were briefly described by Carlos Rusconi in the 1950s, and since then they have been cited frequently in ...
Late middle Cambrian trilobites from El Totoral, Mendoza, Argentina
(Association of Australasian Palaeontologists, 2012-07)
Late middle Cambrian trilobites from open-shelf lithofacies of El Totoral, Precordillera of Mendoza, western Argentina, are described. The material belongs to the Ángel Borrello collections in the Museum of Natural Sciences ...
Trilobites in early Cambrian tidal flats and the landward expansion of the Cambrian explosion
(Geological Society of America, 2014-02)
The timing of the early invasion of the continents, the routes to the land, and the environmental breadth of the Cambrian explosion are important topics because they are at the core of our understanding of early evolutionary ...
Unusual trilobite biofacies from the Lower Ordovician of the Argentine Cordillera Oriental: New insights into olenid palaeoecology
(Wiley Blackwell Publishing, Inc, 2011-03-02)
The study of biofacies has proven to be relevant in the understanding of trilobite palaeoecology, palaeobiogeography and macroevolution. The widespread Olenid biofacies is one of the best known, and is usually interpreted ...
Trilobites epipelágicos del Ordovícico de Perú y Bolivia
(Sociedad Geológica del Perú, 2015-10)
Lostelefínidos espipelágicos son trilobites raros en Sudamérica, donde se conocen pocos ejemplares en elOrdovícico de la Precordillera, la cuenca de Famatina, la Puna oriental y la Cordillera Oriental argentina. En este ...
Evenness and diversity in Upper Cambrian – Lower Ordovician trilobite communities from the Central Andean Basin (Cordillera Oriental, Argentina)
(Wiley, 2013-11)
Community evenness has recently received much attention, either because it is related to ecosystem functioning or because it may affect estimation of diversity. Temporal and environmental trends in diversity and evenness ...