The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2022

IDNAME urn:idName:ifpni.org:species:E8D29F82-3952-4D61-88BB-06449C50E309 species
Back

Tenuisa frasniana

Tenuisa frasniana De-M. Wang Int. J. Pl. Sci., 168(9): 1342. Dec 2007
Name
Tenuisa frasniana
Rank
Species
Generic Name
[Genus] Tenuisa
Authors (Pub.)
Wang D.-M.  
Publication
Tenuisa frasniana gen. et sp. nov., a plant of euphyllophyte affinity from the Late Devonian of China [2007/12]
Journal
International Journal of Plant Sciences
Volume
168
Issue
9
Page number
1342
Year
2007
Fossil Status
stems (with sporangia)
Stratigraphy
Frasnian
Strat. comment
Yunligong Formation
Location
Pingshan section, Lianhua Town, Changsha District, Hunan Province, China
Paleoregion
Cathaysia (South)
Data for Holotypus
Repository
Beijing University, Department of Geology, Beijing, China
Repository Number
HNCS-01a; HNCS-01b; HNCS-02
Diagnosis
Axes naked. Fertile stem 0.2–1.0 mm wide, with fertile lateral units attached at 45– 90. Distances between adjacent insertions of fertile lateral units 2.1–(6.5)–17.7 mm. Axes of fertile lateral units 0.1–0.5 mm wide. First-order fertile lateral axes 2.1–(4.1)–12.3 mm long and ca. 0.4 mm wide. Second-order axes 1.3–(2.2)–3.8 mm long and ca. 0.3 mm wide. Third-order axes 1.0–(1.5)–2.9 mm long and ca. 0.2 mm wide. Fourth-order axes 0.8–(1.3)–1.6 mm long and ca. 0.1 mm wide. Sporangial number 16–32 per fertile lateral unit. Sporangia generally pendulous, 0.9–(1.3)–1.6 mm long and ca. 0.5 mm wide. Sporangial pedicels 0.3–0.7 mm long and ca. 0.1 mm wide. Sterile ultimate appendages 0.3–0.6 mm wide.
Links by type

Genus

Please login or register to comment on this