Ngan-Tshwang (Permian of China)

Where: Yunnan, China (24.8° N, 103.3° E: paleocoordinates 1.1° S, 95.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Longtan Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Stratigraphic information is not certain, but description ("dark sandstone") is most similar to Longtan Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collected by Leclère

• Repository: Ecole des Mines, Paris (possibly now MNHN?)

Primary reference: F. Frech. 1911. Die Dyas in Süd-Yünnan, Tongking, Laos und Burmah. In F. von Richthofen (ed.), China: Ergebnisse Eigener Reisen und Darauf Gegründeter Studien 5:149-161 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139261: authorized by Matthew Clapham, entered by Matthew Clapham on 10.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spiriferinida - Spiriferellinidae
"Spiriferina nasuta" = Spiriferellina nasuta
"Spiriferina nasuta" = Spiriferellina nasuta Waagen 1883