Chishanhe, Jixian, bed 25 (Cambrian of China)

Where: Henan, China (35.4° N, 114.1° E: paleocoordinates 3.7° S, 145.5° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Metagraulos trilobite zone, Hsuchuang Formation, Taijangian (509.0 - 504.5 Ma)

• sample H2044-13 of bed 25 (5.58 m thick)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone and lithified shale

• N China Platform
• grey and dark grey medium-bedded oolitic limestone intercalated with shale

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: W. Zhang, L. Xiang, Y. Liu and X. Meng. 1995. Cambrian stratigraphy and trilobites from Henan. Palaeontologia Cathayana 6:1-166 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129144: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Proasaphiscidae
Proasaphiscus sp. Resser and Endo 1935 trilobite
  - Wuaniidae
Jixianaspis lubricus n. gen. n. sp.
Jixianaspis lubricus n. gen. n. sp. Zhang et al. 1995 trilobite
 Redlichiida - Agraulidae
Metagraulos dolon Walcott 1905 trilobite