PBDB Collection

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

unclassified

	Ulodendron informal sp. 1 axis
Equisetopsida - Sphenophyllales

	Sphenophyllum informal sp. 1 leaf

	Sphenophyllum informal sp. 2 leaf
Medullosaceae

	Neuropteris informal sp. 1 leaf
Sphenopteridae

	Sphenopteris informal sp. 1 leaf
Pteropsida

	Pecopteris informal sp. 1 leaf

	Alethopteris informal sp. 1 leaf
Polypodiopsida - Equisetales - Calamitaceae

	Calamites informal sp. 1 axis
Lepidodendrales - Lepidodendraceae

	Lepidodendron informal sp. 1 axis

	Lepidodendron informal sp. 2 axis

	Lepidodendron informal sp. 3 axis
see common names

Geography

Country:	China	State/province:	Shaanxi
Coordinates:	35.5° North, 110.4° East (view map)
Paleocoordinates:	19.4° North, 81.4° East
Basis of coordinate:	estimated from map

Time

Period:	Permian	Epoch:	Cisuralian
Stage:	Asselian - Sakmarian	10 m.y. bin:	Permian 1 - Permian 2
*Period:	Early/Lower Permian	*Local age/stage:	Taiyuan
Key time interval:	Asselian - Sakmarian
Age range of interval:	298.9 - 290.1 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:

Taiyuan

Lithology and environment

Taphonomy

Size of fossils:

macrofossils

Collection methods and comments

Reason for describing collection:	biostratigraphic analysis
Collection method comments: Interbedded with marine
Taxonomic list comments:List from p. 155-157. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.

Metadata

Also known as:	PGAP 11107
Database number:	29811
Authorizer:	A. Rees	Enterer:	A. Rees
Research group:	paleobotany
Created:	2003-04-02 12:40:50	Last modified:	2003-04-04 14:34:36
Access level:	the public	Released:	2003-04-02 12:40:50
Creative Commons license:	CC BY

Reference information

Primary reference:

8321.

PGAP 1040

Bur. of Geol. and Min. Resources of Shaanxi. 1989. Regional Geology of Shaanxi Province. People's Republic of China Ministry of Geology and Mineral Resources, Geological Memoirs 1(13):1-698 [A. Rees/A. Rees/S. Bruning]