Mt. Mantou, Zhangxia, BW57, BW58 (Cambrian of China)

Where: Shandong, China (36.4° N, 116.9° E: paleocoordinates 1.2° S, 146.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Yaojiayuella trilobite zone, Maochuang Formation, Taijangian (509.0 - 504.5 Ma)

• BW57, BW58 from unit 12, Yaojiayuella zone of N China, stage 5 of Cambrian series 3

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified shale

• N China platform

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: Y. H. Lu, Z. L. Zhu, and J. L. Zhang. 1988. Trilobites of the Maochuang Formation and its age. Memoirs of Nanjing Institute of Geology and Palaeontology 24:331-366 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127527: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.05.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Ptychopariidae
? Weijiaspis sp. Qiu 1983 trilobite
Weijiaspis maozhuangensis n. sp. Lu et al. 1988 trilobite
Yaojiayuella convexolimbata n. sp. Lu et al. 1988 trilobite
Yaojiayuella diversa Zhang et al. 1980 trilobite
Yaojiayuella zhangxiaensis n. sp. Lu et al. 1988 trilobite