2003
DOI: 10.1016/s0016-6995(03)00004-4
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El Ordovícico Medio del Anti-Atlas marroquí: paleobiodiversidad, actualización bioestratigráfica y correlación

Abstract: Las formaciones del Ordovícico Medio del Anti-Atlas (sur de Marruecos) han librado un variado registro de trilobites, moluscos, equinodermos, braquiópodos, graptolitos, microfósiles e icnofósiles en alrededor de 180 localidades. Gran parte de ellas fueron descubiertas durante la realización de la cartografía geológica a escala 1:200.000 y la mayoría del material paleontológico permanece inédito. En este trabajo se revisa el marco geológico de todas las localidades fosilíferas conocidas (tanto las publicadas co… Show more

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Cited by 33 publications
(39 citation statements)
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“…Chronostratigraphical chart for the Ordovician, indicating the level that provided the studied specimens. Correlations between stratigraphic units in the Anti-Atlas (after Destombes et al, 1985;Gutiérrez-Marco et al, 2003;Villas et al, 2006), British regional time scale (Fortey et al, 1995), North American graptolite zonal sequences (Webby et al, 2004), Mediterranean regional stages (Gutiérrez-Marco et al, 2003), and global stages are shown (from Sumrall and Zamora, 2011, modified). Kral = Kralodvorian; Tr.…”
Section: Geological Setting and Stratigraphymentioning
confidence: 96%
See 1 more Smart Citation
“…Chronostratigraphical chart for the Ordovician, indicating the level that provided the studied specimens. Correlations between stratigraphic units in the Anti-Atlas (after Destombes et al, 1985;Gutiérrez-Marco et al, 2003;Villas et al, 2006), British regional time scale (Fortey et al, 1995), North American graptolite zonal sequences (Webby et al, 2004), Mediterranean regional stages (Gutiérrez-Marco et al, 2003), and global stages are shown (from Sumrall and Zamora, 2011, modified). Kral = Kralodvorian; Tr.…”
Section: Geological Setting and Stratigraphymentioning
confidence: 96%
“…Unfortunately, original top or bottom of our cyclocystoid concretions from this layer has not been recorded by any of the collectors, perhaps because many concretions were already weathered out and lying on the surface of this sloping outcrop. Rábano et al (2014) suggested that the levels containing fossiliferous concretions belong to the Didymograptus murchisoni graptolite Biozone (Gutiérrez-Marco et al, 2003), which Figure 2. Chronostratigraphical chart for the Ordovician, indicating the level that provided the studied specimens.…”
Section: Geological Setting and Stratigraphymentioning
confidence: 99%
“…A later review based on data obtained during completion of the Anti-Atlas geological maps at 1:200,000 scale placed the boundary between the Middle and Upper Ordovician towards the top of this group, whereas the boundary between the traditional "Llanvirn" and "Llandeilo" series was moved up to the middle part of the Bou-Zeroual Formation above the Taddrist Formation. Gutiérrez-Marco et al (2003) assigned the Taddrist Formation to the upper Oretanian, a regional stage division that is roughly equivalent to the upper Darriwilian 2/basal Darriwilian 3 of the global scale (Gutiérrez-Marco et al 2008, Bergström et al 2009). Some of the taxa occurring with Caudillaenus nicolasi at its type locality allow precise dating: the trilobite Morgatia?…”
Section: Geological Settingmentioning
confidence: 99%
“…sp. recorded in the Tachilla, Guezzart and Ouine-Inirne formations (see Gutiérrez-Marco et al 2003 for compilation of previous data), and Octillaenus sp. in the Upper Ktaoua Formation (Destombes in Destombes et al 1985, Destombes 2000 and references therein).…”
mentioning
confidence: 99%
“…The evident faunal dynamics and palaeobiogeographical relationships between Iberia and Bohemia (Gutiérrez-Marco & Rábano 1987, Gutiér-rez-Marco et al 1999 have even allowed the adoption of a common chronostratigraphic scale (Havlíček & Marek 1973, Havlíček & Fatka 1992, with Bohemian regional stages applicable in Iberia (Gutiérrez-Marco et al 1995, 2002, Sá 2003, Gutiérrez-Marco et al 2008, Bergström et al 2009) as well as in the Moroccan Anti-Atlas (Gutiérrez-Marco et al 2003).…”
mentioning
confidence: 99%