Geologica Belgica

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Paul SARTENAER

GESORIACOROSTRUM, A NEW MIDDLE FRASNIAN RHYNCHONELLID (BRACHIOPOD) GENUS FROM BOULONNAIS (N FRANCE)

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Mots-clés : stratigraphy., Systematics, KEYWORDS: rhynchonellid, Gesoriacorostrum n. gen., middle Frasnian, Boulonnais

Abstract

ABSTRACT. Gesoriacorostrum n. gen., type species G. boloniense (d'ORBIGNY 1850), is described from the mid­dle Frasnian of Boulonnais (N France). On account of the very brief original description, and its scarcity, the species has been the subject to various interpretations and so is here redescribed. This is based only on the lectotype of the species and four specimens very like it from the type locality.

To cite this article

Paul SARTENAER, «GESORIACOROSTRUM, A NEW MIDDLE FRASNIAN RHYNCHONELLID (BRACHIOPOD) GENUS FROM BOULONNAIS (N FRANCE)», Geologica Belgica [En ligne], volume 6 (2003), number 3-4 - The Graulich volume, 181-192 URL : http://popups.ulg.ac.be/1374-8505/index.php?id=2174.

About: Paul SARTENAER

Department of Palaeontology, Section of Invertebrate Fossils, Royal Belgian Institute of Natural Sciences, Vautier street, 29, 10OO Brussels, Belgium