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Barrealoxylon
Genus Barrealoxylon O.A. Conde, Pujana, G.A. Correa, Balar. Rev. Palaeobot. Palynol., 345(105476): 2. 19 Nov 2025
- Name
- Barrealoxylon
- Rank
- Genus
- Authors (Pub.)
- Conde O. A.
Pujana R. R.
Correa G. A.
Balarino L.
- Publication
- Barrealoxylon nelsonii gen. et sp. nov., a new Pennsylvanian (Carboniferous) fossil stem from Gondwana: Botanical affinity and paleoclimatic implications [2025/11]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 345
- Issue
- 105476
- Page number
- 2
- Year
- 2025
- Parent Taxon
- [Order] Cordaitales
- Fossil Status
- stems (wood)
- Type
- Barrealoxylon nelsonii
- Diagnosis
- Septate pith composed of parenchyma cells and smaller cells containing dark contents. Septa composed of horizontally elongated parenchyma cells, displaying an anastomosing pattern. Mesarch primary xylem. Pycnoxylic secondary xylem with tracheids that have araucarian pits in the radial walls. Cross-fields with “windowlike” (=fenestriform) pits.
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