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https://hdl.handle.net/2440/69021
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Type: | Journal article |
Title: | Ptilophyllum muelleri (Ettingsh.) comb. nov. from the Oligocene of Australia: Last of the Bennettitales? |
Author: | McLoughlin, S. Carpenter, R. Pott, C. |
Citation: | International Journal of Plant Sciences, 2011; 172(4):574-585 |
Publisher: | Univ Chicago Press |
Issue Date: | 2011 |
ISSN: | 1058-5893 1537-5315 |
Statement of Responsibility: | Stephen McLoughlin, Raymond J. Carpenter and Christian Pott |
Abstract: | Several small pinnate leaves of early Oligocene age from Cethana, Tasmania, are newly described and found to be conspecific with Anomozamites muelleri Ettingsh. recorded from coeval strata at Emmaville, northern New South Wales. These fossils are most probably referable to the Bennettitales on the basis of leaf size, leaflet shape, and venation patterns, in the absence of diagnostic cuticular details. They are transferred to Ptilophyllum on the basis of leaflet morphology and represent the youngest putative bennettitalean remains yet documented. Their occurrence reinforces previous arguments that the highest-paleolatitude fragments of southeastern Gondwana provided moist temperate refugia for the survival of Mesozoic gymnosperm taxa well into the Cenozoic. |
Keywords: | Gymnosperms Paleogene extinction high latitude ghost lineage Lazarus taxa |
Rights: | © 2011 by The University of Chicago. All rights reserved. |
DOI: | 10.1086/658920 |
Grant ID: | http://purl.org/au-research/grants/arc/LP100100339 http://purl.org/au-research/grants/arc/LP100100339 |
Published version: | http://dx.doi.org/10.1086/658920 |
Appears in Collections: | Aurora harvest 5 Earth and Environmental Sciences publications Environment Institute publications |
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