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Katherine Marriott, Sara Olson, Daniella Balassa, Casey Cleaveland, Kristin I. Watmore, Rhiannon J. LaVine, Robert Olson and Donald R. Prothero
Ontogenetic sequencing of suture fractal dimensions from a single ammonite specimen was not previously accessible without extreme measures. The necessity for destruction of the full conch due to whorl overlap or, alternatively, the prohibitively expensiv...
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Francisco Amaro Mourgues,Luc G. Bulot,Camille Frau
Pág. 213 - 236
Ammonites of the genus Santafecites Etayo-Serna and subgenus Olcostephanus (Viluceras) Aguirre-Urreta and Rawson are described for the first time from Chile. The succession of Olcostephaninae from the Chañarcillo Basin of northern Chile is described in t...
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Alfonso Encinas,Wolfgang Stinnesbeck,Victor A. Valencia
Pág. 436 - 445
Upper Cretaceous marine rocks crop out along the Pacific coast of central and south-central Chile between 33° and 37°S. These strata constitute an important reference for the Upper Cretaceous of South America due to their diverse fossil fauna and flora. ...
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Luis A. Spalletti,Horacio Parent,Gonzalo D. Veiga,Ernesto Schwarz
Pág. 464 - 481
This paper deals with the stratigraphy, the systematics of the ammonitefaunas and the biostratigraphy of the Cuyo Group in the Sierra de Reyes (southern Mendoza Province, Argentina). The230 m-thick marine siliciclastic succession of the Cuyo Group is com...
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Eduardo B. Olivero,Norberto Malumian,Susana Palamarczuk
Pág. 245 - 264
The stratigraphic evolution of marine, Upper Cretaceous-Paleocene rocks within the inner fold belt of the foreland Austral-Malvinas basins is studied at the eastern tip of the Fuegian Andes. At Thetis Bay, the stratigraphic column includes three Formatio...
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