IDNAME urn:idName:fossilplants.info:species:5DD52E56-C6F2-F7B5-5CBD-C40251F95DA9 species
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Weinmannioxylon trichospermoides

Weinmannioxylon trichospermoides Pujana in Pujana, A. Iglesias, Raffi, Olivero Cretac. Res., 90: 356. 18 Jun 2018
Name
Weinmannioxylon trichospermoides
Rank
Species
Generic Name
[Genus] Weinmannioxylon
Authors (Name)
Pujana R. R.  
Authors (Pub.)
Pujana R. R. Iglesias A. Raffi M. E. Olivero E. B.  
Publication
Angiosperm fossil woods from the Upper Cretaceous of Western Antarctica (Santa Marta Formation) [2018/6]
Journal
Cretaceous Research
Volume
90
Page number
356
Year
2018

Fossil Status
stems (wood)

Stratigraphy
Campanian
Location
James Ross Island, Antarctica
Paleoregion
Gondwana (Antarctica)
Data for Holotypus
Repository
Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Buenos Aires, Buenos Aires, Argentina
Repository Number
BA Pb 14544
Diagnosis
Sample of secondary xylem with a minimum estimated diameter of 9 cm. Growth ring boundaries indistinct to distinct. Wood diffuse-porous. Vessels mostly solitary. Scalariform perforation plates with usually more than 20 bars. Intervessel pits scalariform to transitional. Vessel-ray parenchyma pits opposite to scalariform. Axial parenchyma common, diffuse and diffuse-in-aggregate. Rays heterocellular, usually 2-3 cells wide. Fibres pitted.

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