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Serrulacaulis spineus
Serrulacaulis spineus H.-H. Xu, C.M. Berry, Y. Wang Palaeoworld, 20(4): 324. Dec 2011
- Name
- Serrulacaulis spineus
- Rank
- Species
- Generic Name
- [Genus] Serrulacaulis
- Authors (Pub.)
- Xu H.-H.
Berry C. M.
Wang Y.
- Publication
- Morphological study on the Devonian zosterophyll Serrulacaulis Hueber and Banks: new materials and emendation [2011/12]
- Journal
- Palaeoworld
- Volume
- 20
- Issue
- 4
- Page number
- 324
- Year
- 2011
- Fossil Status
- stems (with sporangia)
- Stratigraphy
- Givetian
- 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
- PB20924A + PB20924B
- Diagnosis
- Axes with two opposite rows of emergences; axes bifurcate at an acute angle, 2.0–4.0mm wide exclusive of the emergences. Emergences show a variety of appearances, as deltoid projections, tiny spines, regular sawteeth, broad obdeltoid projections or slight protrusions on the serrate margins. Emergences 1.0–1.2mm in length, bases of emergences 0.6–0.7mm wide. Spines, 0.3–0.5mm long, cover the surface of axes; spine bases, 0.2–0.3mmin diameter, not contiguous. Sporangia reniform with unequal valves, alternate- or subopposite-arranged, dehiscence to two valves. Adaxial valve 2.4–2.7mm wide; abaxial valve 3.2–3.5mm wide. Valves with rim; rim 0.1–0.2mm wide.
