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Hoxtolgaya robusta
Hoxtolgaya robusta H.-H. Xu, Y. Wang, Q. Wang Palaeontology, 55(5): 959. 18 Sep 2012
- Name
- Hoxtolgaya robusta
- Rank
- Species
- Generic Name
- [Genus] Hoxtolgaya
- Authors (Pub.)
- Xu H.-H.
Wang Y.
Wang Q.
- Publication
- A new homosporous, arborescent lycopsid from the Middle Devonian of Xinjiang, Northwest China [2012/9]
- Journal
- Palaeontology
- Volume
- 55
- Issue
- 5
- Page number
- 959
- Year
- 2012
- Fossil Status
- stems (with sporangia)
- Stratigraphy
- Middle Devonian
- Strat. comment
- Hujiersite Formation
- Location
- Hoxtolgay Town, Hoboksar, Xinjiang, China
- Paleoregion
- Kazakhstania (Xinjiang)
Data for Holotypus
- Repository
- Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
- Repository Number
- PB20913A
- Diagnosis
- Stems up to 90 mm wide. Leaf bases up to 5.9 mm long and 2.4 mm wide, with a furrow in the middle portion. Leaf 22–35 mm long and 0.8–2.1 mm wide, the basal marginal tooth on the leaf 0.15–0.2 mm long. Sporangium 2.5–3.2 mm in diameter, probably dehiscences longitudinally. In situ spore 34–52 lm in diameter, the amb subtriangular with convex sides and rounded apices; triradiate ridges membranous, 1.2–3.4 lm in height; distal exine is thick and ornamented with contorted anastomosing ridges that are 1–3 lm in width; proximal surface is laevigate.