Geologica Belgica

1374-8505 2034-1954

 

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Andreas MAY & Sergio RODRÍGUEZ

Pragian (Lower Devonian) stromatoporoids and rugose corals from Zújar (Sierra Morena, southern Spain)

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Mots-clés : reef, Devonian, Biogeography, Anthozoa, Porifera, Spain, Obejo-Valsequillo-Puebla de la Reina Domain, new species.

Abstract

The locality Zújar at the boundary between the Badajoz and Córdoba provinces belongs to the Obejo-Valsequillo-Puebla de la Reina Domain. Within the fossiliferous reefal carbonates of Pragian age cropping out in Zújar, 10 stromatoporoid species and 7 rugose coral species are identified. The new rugose coral species Martinophyllum miriamae n. sp. is described. Hexagonaria soraufi Rodríguez García, 1978 is a subspecies of Martinophyllum ornatum Jell & Pedder, 1969. The Pragian fauna of Zújar is a typical fauna of the Old World Realm with remarkably close relationships to Arctic Canada and Australia. Most species have been recorded for the first time from Spain. No significant relationships to the Eastern Americas Realm are visible. Remarkable is, that none of the stromatoporoid species of Zújar is known from the famous Pragian reef complex of Koněprusy in Bohemia, meanwhile the rugose coral fauna (e. g. Joachimastraea barrandei Galle, Hladil & May, 1999) shows some relations. Some of the species found are ancestors of important constructors of the Middle Devonian reef complexes, demonstrating that the roots of the Givetian-Frasnian reef complexes reach down to the Pragian.

Para citar este artículo

Andreas MAY & Sergio RODRÍGUEZ, «Pragian (Lower Devonian) stromatoporoids and rugose corals from Zújar (Sierra Morena, southern Spain)», Geologica Belgica [En ligne], volume 15 (2012), number 4 - Proceedings of the XIth International Symposium on Fossil Cnidaria and Porifera, 226-235 URL : https://popups.ulg.ac.be/1374-8505/index.php?id=3741.

Acerca de: Andreas MAY

Friedrich-List-Str. 66, D-59425 Unna, Germany; may_devonian@yahoo.es

Acerca de: Sergio RODRÍGUEZ

Departamento de Paleontologia, Instituto de Geociencias de Madrid y Facultad de Ciencias Geologicas, C.S.I.C y U.C.M. c/ José Antonio Novais, 2. E-28040 Madrid, Spain; sergrodr@geo.ucm.es