Bed Mb13, Meishucun section (Cambrian to of China)

Also known as Bed 13 of Qian & Bengston.

Where: Yunnan, China (24.7° N, 102.6° E: paleocoordinates 34.8° N, 160.2° E)

• coordinate stated in text

• local area-level geographic resolution

When: Lapworthella-Tannuolina-Sinosachites small shelly zone, Yuanshan Member (Qiongzhusi Formation), Nangaoian to Nangaoian (521.0 - 516.0 Ma)

• Given as Meishucunian in text, but this has been ceded to the next stage.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black siltstone and lithified, nodular phosphorite

• Black, thin-bedded marly siltstone with basal nodular phosphate

Size classes: mesofossils, microfossils

Preservation: cast

Collection methods: Specimens stored at Nanjing Institue of Geology and Palaeontology, Academia Sinica, Nanjing, China

Primary reference: Y. Qian and S. Bengtson. 1989. Palaeontology and biostratigraphy of the Early Cambrian Meishucunian Stage in Yunnan Province, South China. Fossils and Strata 24:1-156 [P. Wagner/P. Wagner/S. Nurnberg]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 96446: authorized by Pete Wagner, entered by Pete Wagner on 08.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Hyolithellidae
? Hyolithellus sp. Billings 1872
Aculifera
  - Halkieriidae
 Calyptoptomatida -
Brachiopoda
 Tommotiida - Tannuolinidae
Tannuolina zhangwentangi n. sp. Qian and Bengtson 1989
 Tommotiida - Lapworthellidae
Hyolitha
 Orthothecida -
Paragloborilus circulatus Qian and Zhang 1983
? Turcutheca sp. Rozanov et al. 1969
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Coleoloides typicalis
  -
Coleoloides typicalis Walcott 1890