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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.
