Sommerxylon spiralosus from Upper Triassic in southernmost Paraná Basin (Brazil): a new taxon with taxacean affinity

The anatoical description of silici?ed Gymnospermae woods from Upper Triassic sequences of southernmost Paraná Basin (Brazil) has allowed the identi?cation of a new taxon: Sommerxylon spiralosus n.gen. et n.sp. Diagnostic parameters, such as heterocellular medulla composed of parenchymatous and scle...

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Bibliografiske detaljer
Udgivet i:Anais da Academia Brasileira de Ciências
Main Authors: Etiene F. Pires, Margot Guerra-Sommer
Format: Artigo
Sprog:Inglês
Udgivet: Academia Brasileira de Ciências 2004
Fag:
Multidisciplinaria (Ciencias Naturales y Exactas)
fossil wood
Paraná Basin
Upper Triassic
taxacean affinity
Online adgang:https://www.redalyc.org/articulo.oa?id=32776313
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