Unit 6 (1.75m), Jianzishan (Triassic of China)

Where: Hubei, China (30.2° N, 109.0° E: paleocoordinates 11.3° N, 95.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ophiceras zone, Daye Formation, Griesbachian (251.9 - 250.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; marl

Size class: macrofossils

Primary reference: X. Dai, H. Song, P. B. Wignall, E. Jia, R. Bai, F. Wang, J. Chen and L. Tian. 2018. Rapid biotic rebound during the late Griesbachian indicates heterogeneous recovery patterns after the Permian-Triassic mass extinction. GSA Bulletin 130:2015-2030 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 204855: authorized by Alex Dunhill, entered by Bethany Allen on 24.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
Lingulata
 Lingulida - Lingulidae
Lingularia sp. Biernat and Emig 1993
Bivalvia
 Ostreida - Pteriidae
Pteria ussurica Kiparisova 1938 pearl oyster
 Pectinida - Aviculopectinidae
Eumorphotis sp. Bittner 1901 scallop
Eumorphotis venetiana Hauer 1850 scallop
 Pectinida - Entoliidae
Scythentolium scutigerulus Hautmann et al. 2011 scallop
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophontidae indet. M'Coy 1851 snail