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Hymenophyllites angustus
Hymenophyllites angustus Y. Li, Y.-D. Wang in Y. Li, Y.-D. Wang, Nosova, N. Lu, Y.-Y. Xu Biology (Basel), 11(11(1629)): 3. 7 Nov 2022
- Name
- Hymenophyllites angustus
- Rank
- Species
- Generic Name
- [Genus] Hymenophyllites
- Authors (Name)
- Li Y.
Wang Y.-D.
- Authors (Pub.)
- Li Y.
Wang Y.-D.
Nosova N. V.
Lu N.
Xu Y.-Y.
- Publication
- Filmy ferns (Hymenophyllaceae) and associated spike-mosses (Selaginellaceae) from the Mid-Cretaceous Kachin amber, Myanmar [2022/11]
- Journal
- Biology (Basel)
- Volume
- 11
- Issue
- 11(1629)
- Page number
- 3
- Year
- 2022
- Fossil Status
- foliage
- Stratigraphy
- Cenomanian
- Strat. comment
- Late Albian–early Cenomanian
- Location
- Amber mines southwest of the village of Tanai ca. 105 km north of Myitkyina, Kachin State, northern Myanmar
- Paleoregion
- Eurasia (Indochina)
Data for Holotypus
- Repository
- Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
- Repository Number
- PB200744a
Data for Paratypus
- Repository
- Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
- Repository Number
- PB200744 b–h
- Diagnosis
- Lamina fragments tripinnatifid, glabrous. Pinnae closely spaced,
up to 0.8 cm long. Pinnules up to 0.5 cm long, distinctly segmented into simple or forked
ultimate segments. Venation of pinnules anadromous. Segments characterized by one to
several lobes. Lobes sterile, flat, narrow, slightly elongate, ca. 0.1–0.4 mm wide, entiremargined.
Veins dichotomous, false veinlets absent. Cell walls straight.