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Evidence for sympodial vascular architecture in a filicalean fern rhizome: Dickwhitea allenbyensis gen. et sp. nov. (Athyriaceae).
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Rothwell, G.W., Stockey, R.A., Nishida, H., Karafit, S.J.
A new genus and species of anatomically preserved fossil filicalean ferns Dickwhitea allenbyensis gen. et sp. nov. is described from the Middle Eocene Princeton Chert of southern British Columbia, Canada. Rhizomes have a parenchymatous pith surrounded by a ring of five amphiphloic cauline bundles...
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Paralygodium vancouverensis sp. nov. (Schizaeaceae), additional evidence for filicalean diversity in the Paleogene of North America.
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Stockey, R.A., Beard, G., Trivett, M.L., Rothwell, G.W.
Several fertile pinnules with abaxially borne sporangia have been discovered in calcareous marine nodules from the Middle or Late Eocene Appian Way locality on the east coast of Vancouver Island, British Columbia, Canada. Fertile pinnules are attached in groups of two or three. They are deeply...
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Permineralized ferns from the middle Eocene Princeton chert. I. Makotopteris princetonensis gen. et sp. nov. (Athyriaceae).
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Stockey, R.A., Rothwell, G.W., Nishida, H.
The occurrence of numerous anatomically preserved specimens of an extinct filicalean fern in the middle Eocene Princeton chert from southern British Columbia, Canada, provides the basis for characterizing a new genus and species of the Athyriaceae. Fossils include narrow horizontal rhizomes with...
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Trawetsia princetonensis gen. et sp. nov. (Blechnaceae): a permineralized fern from the Middle Eocene Princeton Chert
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Rothwell, G.W., Stockey, R.A., Nishida, H., Smith, S.Y.
Trawetsia princetonensis Smith, Stockey, Nishida & Rothwell gen. et sp. nov. is described from several permineralized rhizomes, stipes, and higher-order frond members of a blechnoid fern that have been identified from the Middle Eocene Princeton Chert of British Columbia. Rhizomes bear stipes...