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Boletín de la Sociedad Geológica Mexicana
versión impresa ISSN 1405-3322
Resumen
GONZALEZ-ARREOLA, Celestina et al. Upper Berriasian ammonites from the Taraises Formation of Cuencamé de Ceniceros section, Durango State, Northern Mexico. Bol. Soc. Geol. Mex [online]. 2017, vol.69, n.2, pp.465-477. ISSN 1405-3322. https://doi.org/10.18268/bsgm2017v69n2a10.
We present evidence of late Berriasian sedimentation which records the presence of Spiticeras correardi, whose stratigraphic range is not well established. Located at Cuencamé de Ceniceros, Durango State, northern Mexico, a section belonging to the Taraises Formation is here presented to show our results. Furthermore, the sampled ammmonite assemblage -herein constituted by Fauriella cf. boissieri, Berriasella cf. calisto, Spiticeras correardi, and Kilianiceras praegratianopolitense- is attributed to the upper Berriasian standard Mediterranean ammonite Zone Fauriella boissieri. It is worth noting that B. cf. calisto hasstrong biostratigraphic significance, due to the fact that it is restricted to the upper part of the aforementioned Fauriella boissieri Zone (Tirnovella alpillensis and Thurmanniceras otopeta subzones).
Palabras llave : Ammonoids; upper Berriasian; Taraises Formation; Mexico; Fauriella boissieri Zone; marine transgression.