A wood from the early Cretaceous of James Ross Island, Antarctica

An Early Cretaceous (Albian) wood is described as Agathoxylon sp. A from James Ross Island, Antarctica. This species displays distinct growth rings, 1-2 seriate, araucarioid pitting on radial walls of tracheids, uniseriate to partly biseriate rays, 1(9)25 cells high, and 1-4 mainly araucarioid pits...

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Bibliographic Details
Main Authors: Ottone, E.G., Medina, F.A.
Format: Journal/Newspaper
Language:unknown
Subjects:
Antarctica
Early Cretaceous
Wood
Cretaceous
paleobotany
Coniferales
Antarc*
James Ross Island
Ross Island
Online Access:https://hdl.handle.net/20.500.12110/paper_00027014_v35_n3_p291_Ottone
Description
Summary:An Early Cretaceous (Albian) wood is described as Agathoxylon sp. A from James Ross Island, Antarctica. This species displays distinct growth rings, 1-2 seriate, araucarioid pitting on radial walls of tracheids, uniseriate to partly biseriate rays, 1(9)25 cells high, and 1-4 mainly araucarioid pits in crossfield. The material provides new data on the characterization of Cretaceous coniferous dominated forests of Antarctica. Fil:Ottone, E.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Medina, F.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.

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