Sommerxylon
Sommerxylon is a genus described from petrified trunks of Gymnosperms that lived in the Triassic, found in the Caturrita Formation on Linha São Luiz in the municipality of Faxinal do Soturno in the region of Paleorrota. It is named in honor of Dr. Margot Guerra Sommer.[1]
| Sommerxylon | |
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Pinophyta |
| Class: | Pinopsida |
| Order: | Pinales |
| Family: | Taxaceae |
| Genus: | †Sommerxylon Pires & Guerra-Sommer |
| Species | |
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Description
Pith composed of parenchyma cells and sclerenchyma cells, primary xylem is endarch, secondary xylem with points with halos that dominate, thick radial walls of tracheids, absence of resin canals and axial parenchyma, indicate its relationship to the family Taxaceae.
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References
- Kaokoxylon zalesskyi (Sahni) Maheshwari en los niveles superiores de la Secuencia Santa Maria
- O complexo Dadoxylon-Araucarioxylon, Carbonífero e Permiano
- Técnica de coleta e estabilização de fósseis em pelitos laminados, aplicação em níveis com plantas do Triássico Superior
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