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Paraphyllanthoxylon antarcticum
Paraphyllanthoxylon antarcticum Pujana in Pujana, A. Iglesias, Raffi, Olivero Cretac. Res., 90: 350. 18 Jun 2018
- Name
- Paraphyllanthoxylon antarcticum
- Rank
- Species
- Generic Name
- [Genus] Paraphyllanthoxylon
- 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
- 350
- Year
- 2018
- Fossil Status
- stems (wood)
- Stratigraphy
- Campanian
- Location
- James Ross Island, Antarctica
- Paleoregion
- Gondwana (Antarctica)
Data for Holotypus
- Repository
- Instituto Antártico Argentino, Dirección Nacional del Antártico, Buenos Aires, Argentina
- Repository Number
- IAA-Pb 109
- Diagnosis
- Wood diffuse-porous. Growth rings boundaries distinct. Vessels solitary or in radial multiples of 2-4, rarely more or grouped. Vessel tangential diameter usually larger than 80 mm and ca. 60-90 vessels per mm2. Perforation plates simple. Intervessel pits alternate. Tyloses common. Vessel-ray parenchyma pits circular to transitional. Axial parenchyma absent. Fibres septate and non-septate. Rays 1-4 cells wide, heterocellular, with mostly one or two rows of marginal upright cells.
