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Protodammara reimatamoriori, a new species ofconifer (Cupressaceae) from the Upper Cretaceous Tupuangi Formation, Chatham Islands, Zealandia
Swedish Museum of Natural History, Department of Paleobiology.
Royal Botanic Gardens Victoria.
2018 (English)In: Alcheringa, ISSN 0311-5518, E-ISSN 1752-0754Article in journal (Refereed) Published
Abstract [en]

Isolated conifer female reproductive structures are common fossil elements from Cenomanian (ca 99–94 Ma) charcoal- and resin-rich beds of theTupuangi Formation, Chatham Islands, southwest Pacific Ocean. Recent findings have proposed that these are the oldest fossil evidence of serotiny,a highly successful fire-adaptive reproductive strategy common among tree species living in fire-prone areas today. Herein, we systematicallydescribe the external morphological and anatomical features of these fossils, by employing a combination of manual extraction and neutron tomographytechniques. We propose a new species of conifer, Protodammara reimatamoriori, and a re-examination of fossil material of the Protodammaratype species facilitated an emendation of the genus. Protodammara shares numerous features with extant Cunninghamia, Taiwania, Athrotaxis, andseveral extinct taxa of Cupressaceae, and is interpreted as an extinct lineage of the early-divergent ‘taxodioid Cupressaceae’ stem group.

Place, publisher, year, edition, pages
Australia, 2018.
Keyword [en]
Palaeobotany, ovuliferous complex, Cenomanian, fire ecology, polar forest, taxonomy
National Category
Evolutionary Biology Botany Geosciences, Multidisciplinary
Research subject
Diversity of life; Ecosystems and species history
Identifiers
URN: urn:nbn:se:nrm:diva-2743DOI: 10.1080/03115518.2017.1417478OAI: oai:DiVA.org:nrm-2743DiVA, id: diva2:1173101
Note

Funders:

Australian Nuclear Science and Technology Organisation

National Geographic

Available from: 2018-01-11 Created: 2018-01-11 Last updated: 2018-01-11

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