Osmunda zhangpuensis Zi X.Wang et B.N.Sun in Wang, Shi, Sun, Dong, Yin & Wu

Plant Fossil Names Registry Number: PFN002674

Act LSID: urn:lsid:plantfossilnames.org:act:2674

Rank: species

Reference: Wang, Z., Shi, G., Sun, B., Dong, C., Yin, S. & Wu, X. (2021): A new species of Osmunda L. (Osmundaceae) from the middle Miocene of Fujian, Southeast China. – Acta Palaeontologica Sinica 60(3): 429–438., link

Page of description: 431

Illustrations or figures: fig. 3A, D–F, H, J

Types

Holotype PB23014, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
Figures: fig. 3A

Note: Paratypes: FJZP2017 LDGSW130 (A, B) (Figs. 3-D, 3-E); FJZP2017 LDGSW131 (Fig. 3-H); FJZP2017 LDGSW132; FJZP2017 LDGSW133; FJZP2017 LDGSW134; PB23015; PB23016.
Paratypes are housed in the Institute of Paleontology and Stratigraphy, School of Earth Sciences, Lanzhou University, Lanzhou, China (FJZP, LDGSW), and Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China (PB)

Original diagnosis/description

Pinnules linear-lanceolate, margin coarsely dentate, with acute apex, base cuneate. Venation pinnate; in each convex tooth, a cluster of independent lateral veins diverging from the main veins. Lateral veins dichotomously branching 4 or 5 times. Lateral veins near the apex simple, whereas the lowest veins branching once. First branching of lateral veins close to the midvein; distal branch more curved, bifurcating 2 or 3 times; proximal branch bifurcating only once, straighter than distal branch.

Etymology

The specific epithet refers to Zhangpu County where the studied specimens were collected.

Stratigraphy

Neogene, Miocene
middle part of the Fotan Group, middle Miocene

Locality

China
Lindai village (24°12′27″N, 117°53′24″E), Zhangpu County, Fujian Province

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Comments

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