Where: Xizang, China (34.3° N, 80.4° E: paleocoordinates 39.2° S, 74.5° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Zhanjin Formation, Sakmarian (293.5 - 290.1 Ma)
• Upper part of the Yunzhug Formation. "Given that all of the species have been recorded in the Sakmarian, a Sakmarian age would be more appropriate and precise for these two brachiopod faunas"
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, pebbly slate
Size class: macrofossils
Preservation: mold/impression
Reposited in the NIGPAS
Primary reference: H. Xu, Y. Zhang, Y. Zhang, F. Qiao, and S. Shen. 2024. Lower Cisuralian brachiopod faunas from the Lhasa and South Qiangtang blocks in Tibet and their biostratigraphical and palaeobiogeographical implications. Palaeoworld 33:679-705more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 235550: authorized by Matthew Clapham, entered by Matthew Clapham on 18.07.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Neochonetes (Sommeriella) pratti Davidson 1859 | |
Bandoproductus hemiglobicus Jin and Sun 1981 | |
Rhynchonellata | |
Trigonotreta semicircularis Shen et al. 2000
Sulciplica thailandica Hamada 1960 | |
Brachythyrina rectangula Kutorga 1844
Brachythyrina rectanguliformis Zhan 2007 | |
Spirelytha fredericksi Archbold and Thomas 1984 | |
Dielasma sp. Beede and Rogers 1900
Elasmata retusa Waterhouse 1982 |