Where: Guangdong, China (22.2° N, 112.5° E: paleocoordinates 32.3° N, 116.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lower Member (Jinji Formation), Angulata (201.3 - 196.5 Ma)
• Interpreted as Hettangian by Chen, but ammonites (Sulciferites) in correlative "cycle 2" beds indicate a position low in the Sinemurian according to Wang & Smith (1986). Wang & Smith assign lower member to Hettangian nevertheless (fig. 6) but it is presumably late Hettangian based on its position just below early Sinemurian ammonites.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siltstone and lithified mudstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the NIGPAS
Primary reference: J. H. Chen. 1982. Liassic bivalve fossils from Mount Jinji of Guangdong. Acta Palaeontologica Sinica 21:404-416 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 150406: authorized by Matthew Clapham, entered by Matthew Clapham on 08.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nuculana dewalquei Terquem and Piette 1868 pointed nut clam
Nuculana doris d'Orbigny 1849 pointed nut clam | |
Palaeonucula cf. navis Piette 1868 nut clam | |
Hiatella cf. rotundata, Hiatella sinemuriensis, Hiatella curta n. sp., Hiatella fabacea, Hiatella arenicola
Hiatella cf. rotundata Terquem 1855 clam
Hiatella sinemuriensis Martin 1895 clam
Hiatella curta n. sp. Chen 1982 clam
Hiatella fabacea Terquem 1855 clam
Hiatella arenicola Terquem 1855 clam | |
? Radulonectites exsertus, "Camptonectes (Hunanonectes) sanduensis" = Hunanonectes sanduensis, "Camptonectes (Hunanonectes) yizhangensis" = Hunanonectes sanduensis
? Radulonectites exsertus Chen 1982 scallop
"Camptonectes (Hunanonectes) sanduensis" = Hunanonectes sanduensis Fang 1978 scallop
"Camptonectes (Hunanonectes) yizhangensis" = Hunanonectes sanduensis Fang 1978 scallop |