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First evidence for Wollemi pine-type pollen (Dilwynites: Araucariaceae) in South America

Macphail, Mike; Carpenter, Raymond J.; Iglesias, Ari; Wilf, Peter

Description

We report the first fossil pollen from South America of the lineage that includes the recently discovered, extremely rare Australian Wollemi Pine, Wollemia nobilis (Araucariaceae). The grains are from the late Paleocene to early middle Eocene Ligorio Márquez Formation of Santa Cruz, Patagonia, Argentina, and are assigned to Dilwynites, the fossil pollen type that closely resembles the pollen of modern Wollemia and some species of its Australasian sister genus, Agathis. Dilwynites was formerly...[Show more]

dc.contributor.authorMacphail, Mike
dc.contributor.authorCarpenter, Raymond J.
dc.contributor.authorIglesias, Ari
dc.contributor.authorWilf, Peter
dc.date.accessioned2015-11-25T03:12:53Z
dc.date.available2015-11-25T03:12:53Z
dc.identifier.issn1932-6203
dc.identifier.urihttp://hdl.handle.net/1885/16738
dc.description.abstractWe report the first fossil pollen from South America of the lineage that includes the recently discovered, extremely rare Australian Wollemi Pine, Wollemia nobilis (Araucariaceae). The grains are from the late Paleocene to early middle Eocene Ligorio Márquez Formation of Santa Cruz, Patagonia, Argentina, and are assigned to Dilwynites, the fossil pollen type that closely resembles the pollen of modern Wollemia and some species of its Australasian sister genus, Agathis. Dilwynites was formerly known only from Australia, New Zealand, and East Antarctica. The Patagonian Dilwynites occurs with several taxa of Podocarpaceae and a diverse range of cryptogams and angiosperms, but not Nothofagus. The fossils greatly extend the known geographic range of Dilwynites and provide important new evidence for the Antarctic region as an early Paleogene portal for biotic interchange between Australasia and South America.
dc.description.sponsorshipFunding provided by NSF DEB-0919071 to PW and AI.
dc.format8 pages
dc.publisherPublic Library of Science
dc.rights© 2013 Macphail et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
dc.sourcePLoS ONE
dc.subjectargentina
dc.subjectgeography
dc.subjectsouth america
dc.subjectfossils
dc.subjectpollen
dc.subjecttracheobionta
dc.titleFirst evidence for Wollemi pine-type pollen (Dilwynites: Araucariaceae) in South America
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume8
dcterms.dateAccepted2013-06-07
dc.date.issued2013-07-19
local.identifier.absfor060206
local.identifier.ariespublicationf5625xPUB3670
local.publisher.urlhttps://www.plos.org/
local.type.statusPublished Version
local.contributor.affiliationMacphail, Michael, College of Asia and the Pacific, CAP School of Culture, History and Language, CHL General, The Australian National University
local.contributor.affiliationCarpenter, Raymond J., University of Adelaide, Australia
local.contributor.affiliationIglesias, Ari, Universidad Nacional de La Plata, Argentina
local.contributor.affiliationWilf, Peter, Pennsylvania State University, United States of America
local.identifier.essn1932-6203
local.bibliographicCitation.issue7
local.bibliographicCitation.startpagee69281
local.bibliographicCitation.lastpage8
local.identifier.doi10.1371/journal.pone.0069281
local.identifier.absseo970106
dc.date.updated2015-12-11T08:18:00Z
local.identifier.scopusID2-s2.0-84880425094
local.identifier.thomsonID000322391400044
CollectionsANU Research Publications

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