Unit 9 (0.4m), 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: Jieshaniceras guizhouense ammonoid 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 204877: authorized by Alex Dunhill, entered by Bethany Allen on 24.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Fusulinina - Geinitzinidae
 Lagenina - Protonodosariidae
 Ammodiscoidea - Ammodiscidae
Tolypammina sp. Rhumbler 1895
Conodonta
 Ozarkodinida - Anchignathodontidae
Hindeodus praeparvus Kozur 1996 conodont
Hindeodus parvus Kozur 1975 conodont
Hindeodus typicalis Sweet 1970 conodont
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Cephalopoda
 Ceratitida - Ophiceratidae
Shangganites sp. Brühwiler et al. 2008 ceratite
Vishnuites pralambha Diener 1897 ceratite
 Ceratitida - Proptychitidae
Jieshaniceras guizhouense Zakharov and Mu 2007 ceratite
Rhynchonellata
 Rhynchonellida - Pontisiidae
Lissorhynchia sp. Yang and Xu 1966
 Rhynchonellida - Norellidae
 Ichnofossils -
Skolithos sp. Haldemann 1840