Dingjiazhai, Member B, Baoshan Block (Permian of China)

Where: Yunnan, China (24.9° N, 99.1° E: paleocoordinates 41.8° S, 100.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: "B" Member (Dingjiazhai Formation), Sakmarian (293.5 - 290.1 Ma)

• latest Asselian to Early Sakmarian; Punctocyrtella australis - Punctospirifer afghanus assemblage

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified mudstone and lithified siltstone

• purple pebbly mudstones and siltstones; pale gray mudstones and siltstones with scarce, non-sorted pebbles; some limestones lenses intercalated with black shales

Size class: macrofossils

Collected by K.Y. Zhu; reposited in the NIGPAS

Primary reference: S. Z. Shen, G. R. Shi, and K. Y. Zhu. 2000. Early Permian Brachiopods of Gondwana affinity from the Dingjiazhai Formation of the Baoshan Block, western Yunnan, China. Rivista Italiana di Paleontologia e Stratigrafia 106(3):263-282 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61510: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Terebratulida - Dielasmatidae
? Dielasma sp.
? Dielasma sp. King 1856
 Spiriferida - Trigonotretidae
Neospirifer cf. orientalis, Trigonotreta semicircularis n. sp.
Trigonotreta semicircularis n. sp. Shen et al. 2000
 Spiriferinida - Syringothyrididae
Punctocyrtella australis
 Spiriferinida - Punctospiriferidae
Punctospirifer afghanus
Punctospirifer afghanus Termier et al. 1974
 Rhynchonellida - Wellerellidae
? Uncinunellina sp.
? Uncinunellina sp. Grabau 1932