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Secrospiroxylon
Genus Secrospiroxylon Y.-F. Cai, Hua Zhang, Z. Feng in Y.-F. Cai, Hua Zhang, Z. Feng, Y.-C. Zhang, D.-X. Yuan, H.-P. Xu, Byamb., Yarinp., D.-Z. Shen Palaeontographica, Abt. B, Paläophytol., 305(1–4): 96. 4 Oct 2023
- Name
- Secrospiroxylon
- Rank
- Genus
- Authors (Name)
- Cai Y.-F.
Zhang H.
Feng Z.
- Authors (Pub.)
- Cai Y.-F.
Zhang H.
Feng Z.
Zhang Y.-C.
Yuan D.-X.
Xu H.-P.
Byambajav U.
Yarinpuil A.
Shen S.-Z.
- Publication
- Secrospiroxylon tolgoyensis gen. nov. et sp. nov., a unique coniferous stem from the uppermost Permian of the South Gobi Basin, Mongolia, and its palaeoclimatic, palaeoecophysiological, and palaeoecological implications [2023/10]
- Journal
- Palaeontographica
- Volume
- 305
- Issue
- 1–4
- Page number
- 96
- Year
- 2023
- Parent Taxon
- [Phylum] Pinophyta
- Fossil Status
- stems
- Diagnosis
- Fossil stem with pith, primary and secondary xylems. Pith solid, heterogeneous with parenchyma cells and scattered secretory cells and ducts. Primary xylem bundles endarch. Secondary xylem homoxylous and pycnoxylic, Prototaxoxylon-type. Tracheid pitting araucarian type, with commonly uniseriate and contiguous bordered pits. Taxinean helical thickenings single, thin and fine. Rays homocellular and uniseriate. Tangential bordered pits sometimes present, uniseriate. Cross-field pits cupressoid.
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