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

Autor: Margot Guerra-Sommer, Etiene Fabbrin Pires

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 76, Iss 3, Pp 595-609 (2004)
Anais da Academia Brasileira de Ciências, Volume: 76, Issue: 3, Pages: 595-609, Published: SEP 2004
Anais da Academia Brasileira de Ciências v.76 n.3 2004
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC

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 heteroc

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