Na23, Nazapuo, Tulong (Triassic of China)

Where: Xizang, China (28.5° N, 86.1° E: paleocoordinates 50.9° S, 64.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Brayardites compressus ammonoid zone, Tulong Formation, Smithian (251.3 - 247.2 Ma)

• Brayardites compressus beds, early Smithian, not formally named as a zone

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified lime mudstone

• Thin-bedded limestone

Size class: macrofossils

Primary reference: T. Brühwiler, H. Bucher, and N. Goudemand. 2010. Smithian (Early Triassic) ammonoids from Tulong, south Tibet. Geobios 43:403-431 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97327: authorized by Matthew Clapham, entered by Matthew Clapham on 23.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Melagathiceratidae
Jinyaceras hindostanum
Jinyaceras hindostanum Diener 1897 ceratite
 Ceratitida - Arctoceratidae
Brayardites crassus, Brayardites compressus
Brayardites crassus Brühwiler et al. 2010 ceratite
Brayardites compressus Brühwiler et al. 2010 ceratite
 Ceratitida - Proptychitidae
Pseudaspidites muthianus
Pseudaspidites muthianus Krafft and Diener 1909 ceratite
 Phylloceratida - Galfettitidae
Urdyceras tulongensis
Urdyceras tulongensis Brühwiler et al. 2010 ammonite