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

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Tidwell, WD and 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, 123. pp. 15-25. ISSN 0080-4703

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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
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
Page Range: pp. 15-25
ISSN: 0080-4703
Additional Information: Copyright Royal Society of Tasmania
Date Deposited: 23 May 2012 04:13
Last Modified: 18 Nov 2014 04:34
URI: http://eprints.utas.edu.au/id/eprint/13792
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