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Linguliformean brachiopods of the Middle–Upper Cambrian transition from the Val d'Homs Formation, southern Montagne Noire, France
Published online by Cambridge University Press: 20 May 2016
Abstract
A thin unit of limestone at the base of the Val d'Homs Formation, close to the Middle–Upper Cambrian boundary, at the Ferrals-les-Montagnes section in the Montagne Noire (southern France), has yielded a fauna including linguliformean brachiopods. Although it is dated as early Late Cambrian by the trilobite association, the recorded brachiopods would suggest a latest Middle Cambrian age. Nine taxa of linguliformean brachiopods are described, including the new genus and species Ferralstreta globosa, and the new species Angulotreta brevis, Dactylotreta bacula, and Schizambon convexus. It is the first record of phosphatic-shelled brachiopods obtained by acid etching in southwestern Europe. All the genera show a great latitudinal dispersion but at species level the association is highly endemic.
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