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
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 | |
? Weijiaspis sp., Weijiaspis maozhuangensis n. sp., Yaojiayuella convexolimbata n. sp., Yaojiayuella diversa, Yaojiayuella zhangxiaensis n. sp.
? 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 |