Compitoxylon paleocenicum Gentis, De Franceschi et Boura in Gentis, Licht, De Franceschi, Win, Aung, Dupont-Nivet & Boura

Plant Fossil Names Registry Number: PFN003258

Act LSID: urn:lsid:plantfossilnames.org:act:3258

Authors: N. Gentis, D. De Franceschi & A. Boura

Rank: species

Genus: Compitoxylon Gentis, De Franceschi et Boura in Gentis, Licht, De Franceschi, Win, Aung, Dupont-Nivet & Boura

Reference: Gentis, N., Licht, A., De Franceschi, D., Win, Z., Aung, D. W., Dupont-Nivet, G. & Boura, A. (2024): First fossil woods and palm stems from the mid‐Paleocene of Myanmar and implications for biogeography and wood anatomy. – American Journal of Botany 111(1): e16259., link

Page of description: 22

Illustrations or figures: fig. 12

Name is type for

Types

Original diagnosis/description

Wood diffuse‐porous, vessels solitary and in radial multiples, vessel diameter <150 μm, vessel density between 10–40/mm². Vessel element length >350 μm. Perforation plates exclusively scalariform with <20 bars. Intervessel pits alternate, non‐vestured with round apertures. Parenchyma diffuse to diffuse‐in‐aggregates. Rays 1–7‐seriate, up to 5 mm high and averaging >1 mm. Sheath cells present. Rays composed almost exclusively of square and upright cells. Fibers non‐septate.

Etymology

The epithet paleocenicum refers to the age of the Paunggyi Formation from which the fossil comes.

Stratigraphy

Paleogene, Paleocene
(Danian-Selandian) 61.3 +/- 1.6 Ma

Locality

Myanmar/Burma
Ngape Township, Minbu District, Magway Region 20°14′25.6″N, 94°20′14.3″E