Geologica Belgica

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Jean-Pierre NICOLLIN & Denise BRICE

Systematics, biostratigraphy and biogeography of four Famennian spiriferid brachiopods from Morocco

(volume 3 (2000) — number 3-4 - Volume dédié à Jos BOUCKAERT Herdenkingsnummer)
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Abstract

New data on systematics, biostratigraphy and biogeography are presented in this paper. They concern four Famennian spiriferid species from South-West Morocco, discovered in Hollard's collections housed in Lille and useful for biostratigraphic and palaeobiogeographic correlations. Two of them are new: Cyrtospirifer kelbaensis n. sp., close to C. pamiricus sensu Abramian (1974, pl. 20, fig. 5, non fig. 4) not Reed, 1922 and Dichospirifer zemoulensis n. sp. close to D. cardiosinusoides (ABRAMIAN, 1957). Their systematic study is completed by a justification of their generic and specific attribution with precisions on their geographic and biostratigraphic distribution in Morocco: upper part of the Lower Famennian and lower part of the Upper Famennian (ds II — ? III sensu Hollard, 1981) for C. kelbaensis, upper part of Lower Famennian to Upper Famennian (ds II to ds V sensu Hollard, 1981) for D. zemoulensis. Two other species, recognized for the first time in Morocco, Prospira struniana (GOSSELET, 1879) and Dmitria seminoi (VERNEUIL, 1850), are compared with their type material. Their geographic and biostratigraphic distribution are stated to be in Morocco and central part of North Gondwana (North Africa and Central Asia).

Keywords : brachiopods, taxonomy, Famennian, Morocco

To cite this article

Jean-Pierre NICOLLIN & Denise BRICE, «Systematics, biostratigraphy and biogeography of four Famennian spiriferid brachiopods from Morocco», Geologica Belgica [En ligne], number 3-4 - Volume dédié à Jos BOUCKAERT Herdenkingsnummer, volume 3 (2000), 173-189 URL : https://popups.ulg.ac.be/1374-8505/index.php?id=2193.

About: Jean-Pierre NICOLLIN

Laboratoire de Paléontologie Stratigraphique, Faculté Libre des Sciences et Institut Supérieur d'Agriculture, 13 rue de Toul, 59046 Lille Cedex, France. UPRES-A 8014 du CNRS.

About: Denise BRICE

Laboratoire de Paléontologie Stratigraphique, Faculté Libre des Sciences, 13 rue de Toul, 59046 Lille Cedex, France.