Alashanzuoqi (Permian of China)

Also known as PGAP 11121

Where: Ningxia, China (38.8° N, 105.6° E: paleocoordinates 24.0° N, 79.7° E)

• coordinate estimated from map

When: Taiyuan Formation, Asselian (298.9 - 295.5 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: Ningxia Stratigraphic Group. 1980. The Stratigraphic Tables of Ningxia. Geology Press 1-188 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 29965: authorized by Allister Rees, entered by Allister Rees on 02.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• List from p. 21-23. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
Show authors, comments, and common names
Callipteridium
  -
Callipteridium "sp. 1"
Cycadopsida
 Cycadales -
Taeniopteris "sp. 1"
Taeniopteris "sp. 1" Brongniart 1828 cycads
 Lepidodendrales - Lepidodendraceae
Lepidodendron "sp. 1", Lepidodendron "sp. 2"
Lepidodendron "sp. 1" Sternberg 1820
Lepidodendron "sp. 2" Sternberg 1820
Peltaspermopsida
 Peltaspermales - Peltaspermaceae
Odontopteris "sp. 1"
Odontopteris "sp. 1" Brongniart 1825
Equisetopsida
 Sphenophyllales -
Sphenophyllum "sp. 1", Sphenophyllum "sp. 2", Sphenophyllum "sp. 3"
Sphenophyllum "sp. 2" König 1825
Sphenophyllum "sp. 3" König 1825
 Radiatopses - Medullosaceae
Neuropteris "sp. 1", Neuropteris "sp. 2"
Neuropteris "sp. 1" Brongniart 1828
Neuropteris "sp. 2" Brongniart 1828
Stigmaria
  -
Stigmaria "sp. 1"
Stigmaria "sp. 1" Brongniart 1822
Sphenopteridae
  - Sphenopteridae
Sphenopteris "sp. 1"
Sphenopteris "sp. 1" Sternberg 1825
Polypodiopsida
 Equisetales - Equisetidae
Annularia "sp. 1", Calamites "sp. 1", Asterophyllites "sp. 1"
Annularia "sp. 1" Sternberg 1821
Calamites "sp. 1" Suckow 1784
Asterophyllites "sp. 1" Brongniart 1828
Emplectopteridium
  -
Emplectopteridium "sp. 1", Emplectopteridium "sp. 2"
Pteropsida
 Filicinae -
Pecopteris "sp. 1", Pecopteris "sp. 2", "Alethopteris "sp. 1"" = Pecopteris (Alethopteris)
Pecopteris "sp. 1" Brongniart 1822
Pecopteris "sp. 2" Brongniart 1822
"Alethopteris "sp. 1"" = Pecopteris (Alethopteris) Sternberg 1825
Knorria
  -
Knorria "sp. 1"
Knorria "sp. 1" Sternberg 1825
Radicites
  -
Radicites "sp. 1"
Radicites "sp. 1" Potonié 1893
Pinopsida
 Cordaitanthales -
Cordaites "sp. 1"
Cordaites "sp. 1" Unger 1850