
handle: 10261/29585 , 20.500.14352/65093
[ES] Se revisan y actualizan los datos paleontológicos concernientes a diversas unidades del Ordovícico Superior de la zona Centroibérica del Macizo Hespérico, incidiendo especialmente en los tramos lumaquélicos situados a muro de la Caliza Urbana. Estos han sido datados como Bohdaleciense (Beroun Superior) en términos bohémicos, y su parte superior equivale esencialmente al Ashgill Inferior (Pusgilliense) según la escala patrón británica. No obstante, todavía no se dispone de criterios bioestratigráficos suficientes para poder precisar la posición del límite Caradoc/Ashgill dentro de la sucesión. En el apartado sistemático, se describe por vez primera en el Ordovicico de España el graptolito Orthograptus amplexicaulis (HALL) y se dan a conocer los caracteres torácicos del trilobites Chattiaspis almadenensis HAMMANN; definiéndose además la nueva especie Eudolatites (E.) flavus RABANO, n. sp. (Phacopina, Dalmanitidae).
[EN] The paleontological data of several upper Ordovician units of the Central iberian zone of the Hesperian Massif are reviewed and actualized. The upper 30-40 m. alternating beds with coquinas below the Urbana Limestone have been specially researched, and have been dated as Bohdalecian (upper Berounian) in Bohemian terms, its upper part beeing equivalent to the Lower Ashgill (Pusgillian) according to the British standard scale. However, there aren't still enough biostratigraphical evidences to locate the Caradoc/Ashgill boundary in this succession. Within the systematical part, Orthograptus amplexicaulis (HALL) is described for the first time in the Spanish Ordovician, and the thoracal characteristics of the trilobites Chattiaspis almadenensis HAMMANN are recognized. Eudolatites (E.) flavus (Phacopina, Dalmanitidae) is descríbed as new.
13 páginas, 1 figura, 2 láminas.
Peer reviewed
2506.19 Estratigrafía, Zona Centro-Ibérica, España, bioestratigrafía, Macizo Hespérico, Graptolithina, Paleontología, Caradoc, zona Centro-ibérica, 56:551.7, Correlaciones, Ordovícico, new species, Ashgill, correlación, Bioestratigrafía, Ordovician, Taxón nuevo, Biostratigraphy, Trilobita, Central iberian zona, 2416 Paleontología, Correlation, New species, Central Iberian Zone, Spain, correlation, Geología estratigráfica, biostratigraphy, Hesperian Massif, taxón nuevo, 563(234.1)
2506.19 Estratigrafía, Zona Centro-Ibérica, España, bioestratigrafía, Macizo Hespérico, Graptolithina, Paleontología, Caradoc, zona Centro-ibérica, 56:551.7, Correlaciones, Ordovícico, new species, Ashgill, correlación, Bioestratigrafía, Ordovician, Taxón nuevo, Biostratigraphy, Trilobita, Central iberian zona, 2416 Paleontología, Correlation, New species, Central Iberian Zone, Spain, correlation, Geología estratigráfica, biostratigraphy, Hesperian Massif, taxón nuevo, 563(234.1)
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