Bed 49, Maidiping Sect, Jiulaodong Fm, China - Conway Morris and Menge 1990 (Cambrian of China)

Where: China (29.6° N, 103.5° E: paleocoordinates 30.9° N, 164.1° E)

• outcrop-level geographic resolution

When: Jiulaodong Formation, Atdabanian (521.0 - 516.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified, pebbly, argillaceous, calcareous dolomite

• rounded pebbles, small irregular casts with iron magnesium coatings, matrix of fine grained calcareous/argillaceous material (dolomite)

Collection methods: bulk, chemical,

• Preservation takes the form of steinkerns of sclerites with both secondary phosphatization and apatite recrystalization. Specimens collected during a Royal Society-Academia Sinica Exchange Scheme.

Primary reference: S. Conway Morris and M. Chen. 1990. Tommotiids from the Lower Cambrian of South China. Journal of Paleontology 64(2):169-184 [M. Patzkowsky/P. Borkow/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8331: authorized by Mark Patzkowsky, entered by Phil Borkow on 06.07.2000, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Brachiopoda
 Tommotiida - Tannuolinidae
Tannuolina zhangwentangi
Tannuolina zhangwentangi Qian and Bengtson 1989
 Tommotiida - Lapworthellidae
Lapworthella rete
Aculifera
  - Halkieriidae
Sinosachites flabelliformis