Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins
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| Natura: | Artículo científico |
| Lingua: | en |
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Universidad Nacional Autónoma de México
2008
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| _version_ | 1876457836140036096 |
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| author | Federico Olóriz |
| author_facet | Federico Olóriz |
| contents | Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins Federico Olóriz Ana B. Villaseñor Isabel López-Palomino Ciencias de la Tierra Tamán Mexico Ammonites Oxfordian Santiago Formation Bed-by-bed sampling of ammonites from clayey to calcareous siltstones of the basal part of the Santiago Formation at the type section in Tamán, San Luis Potosí (Mexico) is fi rst reported. Ammonites belonging to assemblages described by Burckhardt (1912), usually interpreted as Middle to Upper Oxfordian, are restricted to the lower Middle Oxfordian Plicatilis Zone, Antecedens Subzone. Perisphinctes (Dichotomosphinctes) durangensis (Burckhardt, 1912) is revised and its biostratigraphic interpretation constrained by its co-occurrence with Gregoryceras. Evidence for the occurrence of Perisphinctes (Perisphinctes), Perisphinctes (Otosphinctes), and Passendorferia or Sequeirosia is fi rst reported from Mexico within a precise biostratigraphic context. Burckhardt’s Oxfordian ochetoceratins are re-examined and their af fi nity with Cuban counterparts is approached. From a paleobiogeographical point of view, metapopulation dynamics and potentially involved events (e.g., temporary, ancillary, selective vicariancy and subsequent ecological capture) well apply for understanding the biogeographical signi fi cance of the ammonite assemblies described. 2008 artículo científico 1026-8774 https://www.redalyc.org/articulo.oa?id=57230346006 en http://www.redalyc.org/revista.oa?id=572 Revista Mexicana de Ciencias Geológicas application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Ciencias Geológicas (México) Num.2 Vol.25 |
| format | Artículo científico |
| id | redalyc_57230346006 |
| institution | Redalyc |
| language | en |
| publishDate | 2008 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins Federico Olóriz Ciencias de la Tierra Tamán Mexico Ammonites Oxfordian Santiago Formation Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins Federico Olóriz Ana B. Villaseñor Isabel López-Palomino Ciencias de la Tierra Tamán Mexico Ammonites Oxfordian Santiago Formation Bed-by-bed sampling of ammonites from clayey to calcareous siltstones of the basal part of the Santiago Formation at the type section in Tamán, San Luis Potosí (Mexico) is fi rst reported. Ammonites belonging to assemblages described by Burckhardt (1912), usually interpreted as Middle to Upper Oxfordian, are restricted to the lower Middle Oxfordian Plicatilis Zone, Antecedens Subzone. Perisphinctes (Dichotomosphinctes) durangensis (Burckhardt, 1912) is revised and its biostratigraphic interpretation constrained by its co-occurrence with Gregoryceras. Evidence for the occurrence of Perisphinctes (Perisphinctes), Perisphinctes (Otosphinctes), and Passendorferia or Sequeirosia is fi rst reported from Mexico within a precise biostratigraphic context. Burckhardt’s Oxfordian ochetoceratins are re-examined and their af fi nity with Cuban counterparts is approached. From a paleobiogeographical point of view, metapopulation dynamics and potentially involved events (e.g., temporary, ancillary, selective vicariancy and subsequent ecological capture) well apply for understanding the biogeographical signi fi cance of the ammonite assemblies described. 2008 artículo científico 1026-8774 https://www.redalyc.org/articulo.oa?id=57230346006 en http://www.redalyc.org/revista.oa?id=572 Revista Mexicana de Ciencias Geológicas application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Ciencias Geológicas (México) Num.2 Vol.25 |
| title | Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins |
| topic | Ciencias de la Tierra Tamán Mexico Ammonites Oxfordian Santiago Formation |
| url | https://www.redalyc.org/articulo.oa?id=57230346006 |