Article (Scientific journals)
Devonian and Carboniferous dendroid graptolites from Belgium and their significance for the taxonomy of the Dendroidea
Maletz, Jörg; Mottequin, Bernard; Olive, Sébastien et al.
2020In Geobios, 59, p. 47 - 59
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Keywords :
3D-preservation; Acanthograptidae; Belgium; Carboniferous; Devonian; Graptolites; Stratigraphy; Space and Planetary Science; Paleontology
Abstract :
[en] Devonian and Carboniferous dendroid graptolites from Belgium are evaluated and partly revised. New finds in two different stratigraphic intervals of the ‘Carrière de Lompret’, an active quarry exploiting Frasnian limestones and shales east of Frasnes-lez-Couvin, allow the identification of Callograptus sp. and Dictyonema fraiponti, both belonging to the dendroid family Acanthograptidae. The relatively high diversity of the dendroid graptolite fauna from the Viséan Marbre noir de Denée, one of the few Carboniferous graptolite faunas in the world, can be shown to be based on astogenetic and preservational aspects. Nearly all known specimens can be included in the highly variable Dictyonema fraiponti, a fan-shaped large dendroid species with complex stipes formed from tubular thecae, possessing simple to complex bridges connecting adjacent stipes. Some of the graptolite material is well preserved and provides important information on the tubarium construction of Devonian to Carboniferous dendroid graptolites and, thus, is highly significant for a taxonomic and phylogenetic understanding of the youngest dendroid graptolite faunas worldwide. The genera Callograptus and Ptiograptus are revised based on their type species (Callograptus elegans from Quebec, Canada; Ptiograptus percorrugatus from the Silurian or Devonian of Kentucky, USA) and referred to the Acanthograptidae.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Maletz, Jörg ;  Institut für Geologische Wissenschaften, Freie Universität Berlin, Berlin, Germany
Mottequin, Bernard ;  Université de Liège - ULiège > Département de géologie > Evolution and diversity dynamics lab ; Royal Belgian Institute of Natural Sciences, Brussels, Belgium
Olive, Sébastien ;  Royal Belgian Institute of Natural Sciences, Brussels, Belgium
Gueriau, Pierre;  Institute of Earth Sciences, University of Lausanne, Géopolis, Lausanne, Switzerland
Pernègre, Vincent;  Direction des Collections, UGC de Paléontologie, MNHN, Paris Cedex 05, France
Prestianni, Cyrille  ;  Université de Liège - ULiège > Département de géologie > Evolution and diversity dynamics lab ; Royal Belgian Institute of Natural Sciences, Brussels, Belgium
Goolaerts, Stijn;  Royal Belgian Institute of Natural Sciences, Brussels, Belgium
Language :
English
Title :
Devonian and Carboniferous dendroid graptolites from Belgium and their significance for the taxonomy of the Dendroidea
Publication date :
April 2020
Journal title :
Geobios
ISSN :
0016-6995
eISSN :
1777-5728
Publisher :
Elsevier Masson s.r.l.
Volume :
59
Pages :
47 - 59
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
We greatly thank all staff and owners of the ‘Carrière de Lompret’, and in particular chief operator Jean Bechet, for granting us access to the quarry. We are also very thankful to Sabine De Borger, member of Hona vzw, who donated the specimen found by her on August 22, 2010, in the Boussu-en-Fagne Mb. Adriano Vandersypen (RBINS) is thanked for providing high quality photographs of the specimens on Figs. 2 and 6 , Thierry Hubin (RBINS) for technical assistance. Three of us (B.M., S.O. and S.G.) are funded by BELSPO, and S.G. received additional financial support from the OD Earth and History of Life of the RBINS. Dr. Lisa Amati (New York State Museum, Albany, N.Y., USA) provided photos of Ptiograptus percorrugatus Ruedemann for comparison. Jean Dougherty and Michelle Coyne (GSC Canada, Ottawa) provided access to the James Hall (1865) type material in their care. Valuable reviews were provided by Lucy Muir and Petr Kraft.We greatly thank all staff and owners of the ?Carri?re de Lompret?, and in particular chief operator Jean Bechet, for granting us access to the quarry. We are also very thankful to Sabine De Borger, member of Hona vzw, who donated the specimen found by her on August 22, 2010, in the Boussu-en-Fagne Mb. Adriano Vandersypen (RBINS) is thanked for providing high quality photographs of the specimens on Figs. 2 and 6, Thierry Hubin (RBINS) for technical assistance. Three of us (B.M. S.O. and S.G.) are funded by BELSPO, and S.G. received additional financial support from the OD Earth and History of Life of the RBINS. Dr. Lisa Amati (New York State Museum, Albany, N.Y. USA) provided photos of Ptiograptus percorrugatus Ruedemann for comparison. Jean Dougherty and Michelle Coyne (GSC Canada, Ottawa) provided access to the James Hall (1865) type material in their care. Valuable reviews were provided by Lucy Muir and Petr Kraft.
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