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Which name(s) should be used for Araucaria-like fossil wood?¿ Results of a poll
Áreas de investigación
  • Investigación forestal
Araucarioxylon Kraus is a widely known fossil-genus generally applied to woods similar to that of the extant Araucariaceae. However, since 1905, several researchers have pointed out that this name is an illegitimate junior nomenclatural synonym. At least four generic names are in current use for fossil wood of this type: Agathoxylon Hartig, Araucarioxylon, Dadoxylon Endl. and Dammaroxylon J.Schultze-Motel. This problem of inconsistent nomenclatural application is compounded by the fact that woods of this type represent a wide range of plants including basal pteridosperms, cordaitaleans, glossopterids, primitive conifers, and araucarian conifers, with a fossil record that extends from the Devonian to Holocene. Conservation of Araucarioxylon has been repeatedly suggested but never officially proposed. Since general use is a strong argument for conservation, a poll was conducted amongst fossil wood anatomists in order to canvass current and preferred usage. It was found that the community is divided, with about one-fifth recommending retention of the well-known Araucarioxylon, whereas the majority of others advocated use of the legitimate Agathoxylon. The arguments of the various colleagues who answered the poll are synthesized and discussed. There is clearly little support for conservation of Araucarioxylon. A secondary aspect of the poll tackled the issue as to whether Araucaria-like fossil woods should be either gathered into a unique fossil-genus, or whether two fossil-genera should be recognized, based on the respective presence or absence of axial parenchyma. A majority of colleagues favoured having one fossil-genus only. Agathoxylon can be used legitimately and appears to be the most appropriate name for such woods. However, its original diagnosis must be expanded if those woods lacking axial parenchyma are to be included.
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Plant Sciences 35/199
Esta actividad pertenece a memorias de investigación
  • : Ronny Rößler (Museum für Naturkunde)
  • Autor: Marc Philippe (CNRS and Université Lyon)
  • Autor: Johanna H.A. van Konijnenburg-van Cittert (Laboratory of Palaeobotany and Palynology, Utrecht)
  • Autor: Stephen McLoughlin (Swedish Museum of Natural History)
  • Autor: Jakub Sakala (Charles University in Prague)
  • Autor: Gea Zijlstra (Laboratory of Palaeobotany and Palynology, Utrecht)
  • Autor: Marion Bamford (University of the Witwatersrand)
  • Autor: Menno Booi (Netherlands Centre for Biodiversity Naturalis)
  • Autor: Mariana Brea (Centro de Investigaciones Científicas, Argentina)
  • Autor: Alexandra Crisafulli (CONICET)
  • Autor: Anne-Laure Decombeix (CNRS)
  • Autor: Martina Dolezych (Senckenberg Naturhistorische Sammlungen)
  • Autor: Tânia Dutra (Universidade do Vale do Rio dos Sinos)
  • Autor: Luis Garcia Esteban (UPM)
  • Autor: Paula Falaschi (Museo de Ciencias Naturales, Argentina)
  • Autor: Zhuo Feng (Yunnan University)
  • Autor: Silvia Gnaedinger (CECOAL-CONICET)
  • Autor: Margot Guerra Sommer (Universidade Federal do Rio Grande do Sul)
  • Autor: Melise Harland (GETECH)
  • Autor: Rafael Herbst (CECOAL-CONICET)
  • Autor: Eugenia Iamandei (Geological Institute of Romania)
  • Autor: Stãnilã Iamandei (Geological Institute of Romania)
  • Autor: Hongen Jiang (Graduate University of Chinese Academy of Sciences)
  • Autor: Lutz Kunzmann (Senckenberg Natural History Collections Dresden)
  • Autor: Francine Kurzawe (Universidade Federal do Rio Grande do Sul)
  • Autor: Sheila Merlotti (Universidade Federal de Santa Catarina)
  • Autor: Serge Naugolnykh (Geological Institute of Russian Academy of Sciences)
  • Autor: Harufumi Nishida (Chuo University)
  • Autor: Robert Noll (In den Birkengärten)
  • Autor: Changhwan Oh (Chonbuk National University)
  • Autor: Olga Orlova (Moscow State University)
  • Autor: Paloma de Palacios De Palacios (UPM)
  • Autor: Imogen Poole (University of Aberdeen)
  • Autor: Roberto R. Pujana (Museo Argentino de Ciencias Naturales)
  • Autor: Annamraju Rajanikanth (Birbal Sahni Institute of Palaeobotany)
  • Autor: Patricia Ryberg (University of Kansas)
  • Autor: Kazuo Terada (Fukui Prefectural Dinosaur Museum)
  • Autor: Frédéric Thévenard (CNRS and Université Lyon 1)
  • Autor: Teresa Torres (Universidad de Chile)
  • Autor: Ezequiel Vera (Museo Argentino de Ciencias Naturales)
  • Autor: Wu Zhang (Shenyang Center of Geological Survey)
  • Autor: Shaolin Zheng (Shenyang Center of Geological Survey)
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  • Creador: Grupo de Investigación: Tecnología de la Madera y el Corcho
  • Departamento: Sistemas y Recursos Naturales
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