Palaeosorum ellipticum

Name

Palaeosorum ellipticum

Rank

Species

Generic Name

[Genus] Palaeosorum

Authors (Name)

Jacques F. M. B. Zhou Z.-K.  

Authors (Pub.)

Jacques F. M. B. Su T. Zhou Z.-K.  

Publication

The first fossil Microsoroid fern (Palaeosorum ellipticum gen. et sp. nov.) from the middle Miocene of Yunnan, SW China [2013/5]

Journal

Journal of systematics and evolution

Volume

51

Issue

6

Page number

759

Year

2013

Fossil Status

foliage (fertile)

Stratigraphy

Miocene

Strat. comment

Dajie Formation

Location

Sanzhangtian, Zhenyuan, Yunnan, China

Paleoregion

Eurasia (China)

Data for Holotypus

Repository

Palaeoecological Laboratory, Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, CAS, Mengla, China

Repository Number

SZT‐0167a (part; Fig. 2: A, C; Fig. 3), SZT‐ 0167b (counterpart; Fig. 2: B)

Num

Fig. 2: A, C; Fig. 3, Fig. 2: B

Pub.

The first fossil Microsoroid fern (Palaeosorum ellipticum gen. et sp. nov.) from the middle Miocene of Yunnan, SW China [2013/5]

Diagnosis

Leaf simple, long elliptic, base acute, apex round, margin entire, venation reticulate with a strong costa, connecting veins forming a row of equally sized areoles between two adjacent veins, free veinlets simple or once forked, ending with a club‐shaped hydathode.