Antarctoxylon uniperforatum I.Poole et Cantrill

Plant Fossil Names Registry Number: PFN000398


Authors: I. Poole & D. J. Cantrill

Rank: species

Reference: Poole, I. & Cantrill, D. J. (2001): Fossil Woods From Williams Point Beds, Livingston Island, Antarctica: A Late Cretaceous Southern High Latitude Flora. – Palaeontology 44(6): 1081–1112.

Page of description: 1106

Illustrations or figures: pl. 10, figs 1–5


Holotype P. 3055.20, British Antarctic Survey, Cambridge, United Kingdom
Figures: pl. 10, figs 1–5

Original diagnosis/description

Vessels more or less circular, solitary, paired and in short radial groups, small to large in diameter. Perforation plates simple, very rarely scalariform with a maximum of three wide bars. Intervessel pitting mainly alternate, rarely opposite to scalariform. Vessel-ray pitting circular to horizontally elongate. Rays 1–3 cells wide, majority < 500 μm in height, occasionally axially united.


After the characteristic abundance of simple perforation plates.


Cretaceous, Upper Cretaceous
Williams Point Beds, age-range of Cenomanian–early Campanian


ash-rich horizon outcropping between two large hydroclastic vents on Williams Point, Livingston Island, 62°28.5′S, 60°8.2′W

Plant fossil remain

fossil wood


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