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| Olóriz, Federico, Villaseñor, Ana B. and López-Palomino, Isabel Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Taman, San Luis Potosi, Mexico - with notes on Mexico-Caribbean ochetoceratins. Rev. mex. cienc. geol, Aug 2008, vol.25, no.2, p.261-283. ISSN 1026-8774
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