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Oguracaulis banksii gen. et sp. nov., a mid-Mesozoic tree-fern from Tasmania, Australia

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Tidwell, WD, Nishida, H and Webster, N 1989 , 'Oguracaulis banksii gen. et sp. nov., a mid-Mesozoic tree-fern from Tasmania, Australia' , Papers and Proceedings of the Royal Society of Tasmania, vol. 123 , pp. 15-25 .

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Abstract

Oguracaulis banksii gen. et sp. nov. is described from permineralised specimens from Upper Jurassic-Lower
Cretaceous strata near Ida Bay, Tasmania. The specimens consist of large fern stems and adhering petiole bases
covered with thick root mantle. Their stems are characterised by a dictyostele with a sclerenchymatous sheath,
numerous medullary bundles, an undivided leaf and petiolar vascular trace and multicellular epidermal hairs. This fossil
fern provides evidence for the common origin for many of the modern cyatheaceous tree ferns including the cibotioids.

Item Type: Article
Authors/Creators:Tidwell, WD and Nishida, H and Webster, N
Keywords: Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library
Journal or Publication Title: Papers and Proceedings of the Royal Society of Tasmania
ISSN: 0080-4703
Collections: Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:

Copyright Royal Society of Tasmania

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