2015
DOI: 10.5027/andgeov42n3-a04
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Una nueva localidad marina de edad jurásica temprana en la cuenca sudoccidental del Chubut, Argentina.

Abstract: ABSTRACT.A shallow marine invertebrate association is reported from a new Early Jurassic locality namely La Casilda, which is situated in the southwestern region of the Chubut Basin (Patagonia, Argentina). The marine deposits of La Casilda are located in the Río Genoa valley and bear a diverse invertebrate fauna including bivalves, gastropods, brachiopods, echinoderms and corals. A preliminary taxonomic analysis of the invertebrate fauna suggests that La Casilda deposits belong to the Mulanguiñeu Formation of … Show more

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Cited by 4 publications
(2 citation statements)
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“…The vetigastropod genus Lithotrochus was considered by Damborenea and Ferrari (2008) as endemic of the Andean region of South America, showing a restricted chronostratigraphic distribution in the Early Jurassic from the early Sinemurian to the late Pliensbachian. The species Lithotrochus humboldtii (von Buch, 1839) was one of the first mollusc species reported in the Jurassic of South America in several localities along the Andean region of Perú and Chile, and reaching its southernmost occurrence in the Chubut Province of Argentina (Damborenea and Ferrari, 2008;Ferrari, 2013Ferrari, , 2015aFerrari and Bessone, 2015). Lithotrochus rothi Damborenea and Ferrari, 2008 was also reported from the upper Pliensbachian of west-central Argentina (Damborenea and Ferrari, 2008;, also found southernmost in coeval deposits of the Chubut Province (Ferrari, 2013).…”
Section: Paleobiogeographymentioning
confidence: 99%
“…The vetigastropod genus Lithotrochus was considered by Damborenea and Ferrari (2008) as endemic of the Andean region of South America, showing a restricted chronostratigraphic distribution in the Early Jurassic from the early Sinemurian to the late Pliensbachian. The species Lithotrochus humboldtii (von Buch, 1839) was one of the first mollusc species reported in the Jurassic of South America in several localities along the Andean region of Perú and Chile, and reaching its southernmost occurrence in the Chubut Province of Argentina (Damborenea and Ferrari, 2008;Ferrari, 2013Ferrari, , 2015aFerrari and Bessone, 2015). Lithotrochus rothi Damborenea and Ferrari, 2008 was also reported from the upper Pliensbachian of west-central Argentina (Damborenea and Ferrari, 2008;, also found southernmost in coeval deposits of the Chubut Province (Ferrari, 2013).…”
Section: Paleobiogeographymentioning
confidence: 99%
“…Respecto al diverso registro fósil, este indicaría la apertura del Corredor Hispánico en el Triásico Tardío-Jurásico Temprano (e.g., Guerin-Franiatte, 1990;Mouterde y Elmi, 1993;Damborenea, 2000;Sha, 2000Sha, , 2002Sha, , 2019Aberhan, 2001Aberhan, , 2002van de Schootbrugge et al, 2005b;Damborenea et al, 2013;. Si bien el corredor podría haber sido funcional desde el Noriano (Sandy y Stanley, 1993;Yancey et al, 2005) o el Rhaetiano (Márquez-Aliaga et al, 2010), varios estudios sugieren su clara existencia recién a partir del Hettangiano-Sinemuriano (Guérin-Franiate, 1990;Riccardi et al, 1991;Mouterde y Elmi, 1993;Stanley y Beauvais, 1994;Damborenea, 2000;Sha, 2000Sha, , 2002Arratia y Hikuroa, 2010;Ferrari, 2011;, Ferrari y Bessone, 2015, y la gran mayoría apuntan al Pliensbachiano (e.g., Damborenea y Manceñido, 1979;Aberhan, 2001Aberhan, , 2002Arias, , 2008Chaumeil Rodríguez et al, 2019.…”
Section: Evidencias Paleontológicasunclassified