Where: Gansu, China (40.4° N, 98.9° E: paleocoordinates 32.9° N, 79.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Shuangputang Formation, Roadian (272.3 - 268.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray, sandy limestone
Size class: macrofossils
Preservation: mold/impression
Reposited in the NIGPAS
Primary reference: X. L. Liang. 1981. Early Permian cephalopods from northwestern Gansu and western Nei Mongol. Acta Palaeontologica Sinica 20:485-500 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 150431: authorized by Matthew Clapham, entered by Matthew Clapham on 08.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
Roadoceras sp., "Uraloceras tumidum n. sp." = Roadoceras tumidum, "Uraloceras chinense n. sp." = Roadoceras chinense, "Uraloceras plicatum n. sp." = Roadoceras plicatum
Roadoceras sp. Zhou 1985 ammonite
"Uraloceras tumidum n. sp." = Roadoceras tumidum Liang 1981 ammonite
"Uraloceras chinense n. sp." = Roadoceras chinense Liang 1981 ammonite
"Uraloceras plicatum n. sp." = Roadoceras plicatum Liang 1981 ammonite | |
"Demarezites compressus n. sp." = Hyattoceras compressus
"Demarezites compressus n. sp." = Hyattoceras compressus Liang 1981 ammonite | |