Laoyingshan, 27C (Cambrian of China)

Where: Anhui, China (32.6° N, 116.9° E: paleocoordinates 18.8° N, 153.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• samples NC011-NC013; Probowmaniella zone of Yuan and Li 1999, Yaojiayuella zone of N China Platform, Maochuangian, lower Taijiangian, stage 5 of Cambrian series 3

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

• N China Platform
• Laoyingshan Formation: light grey, yellowish green and grey medium- to thick-bedded microsparite bioclastic limestones, intercalated with thin-bedded oomicrite and some purple shales; bed 27 B: limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: J. L. Yuan and Y. Li. 1999. Lower-Middle Cambrian boundary and trilobite fauna at Laoyingshan, Huainan, Anhui. Acta Palaeontologica Sinica 38(4):407-422 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125436: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Ptychopariidae
Probowmaniella jiawangensis Chang 1963 trilobite
Probowmania divergens n. sp. Yuan and Li 1999 trilobite
? Probowmania similis n. sp. Yuan and Li 1999 trilobite
 Redlichiida - Agraulidae
Plesiagraulos transversus n. sp. Yuan and Li 1999 trilobite
Plesiagraulos tienshihfuensis Endo 1944 trilobite
Artiopoda
 Agnostida - Eodiscidae
"Pagetia (Sinopagetia) huainanensis n. sp." = Sinopagetia huainanensis
"Pagetia (Sinopagetia) huainanensis n. sp." = Sinopagetia huainanensis Yuan and Li 1999