Yongien (Triassic of China)

Also known as PGAP 2139

Where: Yunnan, China (26.3° N, 101.7° E: paleocoordinates 30.8° N, 91.4° E)

• coordinate estimated from map

When: Norian (228.0 - 208.5 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: Yunnan Stratigraphic Group. 1978. The Stratigraphic Tables of Yunnan. Geology Press 1-437 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 29914: authorized by Allister Rees, entered by Allister Rees on 02.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• List from p. 193. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
Polypodiopsida
  -
Cladophlebis "sp. 1" Brongniart 1849
 Equisetales - Equisetidae
Annulariopsis "sp. 1" Zeiller 1903
 Gleicheniales - Polypodiidae
Thaumatopteris "sp. 1" Goeppert 1841
Thaumatopteris "sp. 2" Goeppert 1841
Dictyophyllum "sp. 1" Lindley and Hutton 1834
 Marattiales - Marattiidae
Marattia "sp. 1" Swartz 1788
  - Osmundaceae
Todites "sp. 1" Seward 1900
Goeppertella
  -
Goeppertella "sp. 1" Oishi and Yamasita 1936
Cycadopsida
 Cycadales -
Taeniopteris "sp. 1" Brongniart 1828 cycads
 Cycadales - Nilssoniaceae
Pseudoctenis "sp. 1" Seward 1911 cycads
 Cycadales -
"Nilssonia "sp. 1"" = Nilsonia
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
Ginkgoopsida
 Caytoniales - Caytoniaceae
Danaeopsis
  -
Danaeopsis "sp. 1" Schimper 1869
 Bennettitales -
Otozamites "sp. 1" Braun 1843
Anomozamites "sp. 1" Schimper 1870
Pterophyllum "sp. 1" Brongniart 1828
Pterophyllum "sp. 2" Brongniart 1828