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New Araucarian Conifer from the Late Cretaceous (Campanian-Maastrichtian) of Southeastern Turkey
Date
2019-07-01
Author
Kvacek, Jiri
Yılmaz, İsmail Ömer
Hosgor, Izzet
Mendes, Mario Miguel
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A new fossil conifer Araucaria rothwellii J.Kvaek from the Campanian-Maastrichtian marine sediments of the Bozova Formation in southeastern Turkey is described based on leaf compressions and leaf impressions. The new species is characterized by twigs possessing helically arranged broadly lanceolate leaves with attenuate apexes and slightly narrowed bases. Amphistomatic leaves bear stomata arranged in rows surrounded by four to six subsidiary cells; the rows are longitudinal to the leaf margin. Ordinary epidermal cells are elongately rhomboidal with straight or slightly undulate anticlinal walls. Comparisons with already published fossil species and recent species are provided. The new fossil species A. rothwellii is similar in macro- and micromorphology to extant A. bidwillii, which is indigenous to Queensland in northeast Australia.
Subject Keywords
Plant Science
,
Ecology, Evolution, Behavior and Systematics
URI
https://hdl.handle.net/11511/35954
Journal
INTERNATIONAL JOURNAL OF PLANT SCIENCES
DOI
https://doi.org/10.1086/703525
Collections
Department of Geological Engineering, Article
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BibTeX
J. Kvacek, İ. Ö. Yılmaz, I. Hosgor, and M. M. Mendes, “New Araucarian Conifer from the Late Cretaceous (Campanian-Maastrichtian) of Southeastern Turkey,”
INTERNATIONAL JOURNAL OF PLANT SCIENCES
, pp. 597–606, 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35954.