Xiejiacao section, bed 2, Guang'an County (Permian of China)

Where: Sichuan, China (30.5° N, 107.0° E: paleocoordinates 9.4° N, 93.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Changxing Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size classes: macrofossils, microfossils

Collection methods: peel or thin section

Primary reference: Z. Y. Yang, H. F. Yin, S. B. Wu, F. Q. Yang, M. H. Ding and G. R. Xu. 1987. Permian-Triassic Boundary Stratigraphy and Fauna of South China 1-379 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149123: authorized by Matthew Clapham, entered by Matthew Clapham on 29.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Pararobuloides sp., Neotuberitina sp.
Strophomenata
 Productida -
Spinomarginifera sp.
Rhynchonellata
 Athyridida - Athyrididae
Araxathyris sp.
Araxathyris sp. Grunt 1965
Foraminifera
 Fusulinoidea - Ozawainellidae
Reichelina sp., Reichelina cf. media, Reichelina cribroseptata
Reichelina sp. Erk 1941
Reichelina cf. media Miklukho-Maclay 1954
 Fusulinoidea - Staffellidae
Sphaerulina cf. crassispira
 Fusulinoidea - Boultoniidae
Palaeofusulina nana, Palaeofusulina wangi, Palaeofusulina cf. sinensis
 Palaeotextularoidea - Biseriamminidae
Globivalvulina globosa, Globivalvulina distensa, Globivalvulina cf. bulloides
 Palaeotextularoidea - Palaeotextulariidae
Palaeotextularia cf. grandis, Cribrogenerina permica, Cribrogenerina cf. nana, Cribrogenerina guangxiensis, Deckerella guangxiensis, Deckerella sp.
 Fusulinina - Pachyphloiidae
Pachyphloia paraovata, Pachyphloia sp., Pachyphloia ovata
Pachyphloia sp. Lange 1925
Pachyphloia ovata Lange 1925
 Fusulinina - Geinitzinidae
Geinitzina sp.
 Fusulinina - Colaniellidae
Colaniella media, Colaniella minima, Colaniella nana, Colaniella parva, Colaniella lepida
Colaniella nana Miklukho-Maklay 1954
Colaniella parva Colani 1924
Colaniella lepida Wang 1966
  -
Neodiscus cf. guangdongensis
 Ammodiscoidea - Ammodiscidae
Glomospira parva, Glomospira sp.
Glomospira sp. Rzehak 1895
Nodosariata
 Nodosariida - Nodosariidae
Frondicularia cf. guangxiensis, Nodosaria shikhanica, Nodosaria cf. netschajewi, Nodosaria acera, Nodosaria crassustesta, Nodosaria delicata, Nodosaria cf. radicula
Nodosaria cf. netschajewi
ssp. subquadrata
Nodosaria cf. radicula Linnaeus 1767
Foraminifera
 Lagenina - Robuloididae
Robuloides lens
Robuloides lens Reichel 1946
  -
Pseudoglandulina sp.
Tubothalamea
 Miliolida - Hemigordiopsidae
Multidiscus padangensis, Agathammina ovata