Guankou, lower bed 27 (Cambrian of China)

Where: Henan, China (34.6° N, 113.0° E: paleocoordinates 4.9° S, 145.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

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

• samples H2055-12 and H2055-13 of bed 27 (8.14 m thick)

• bed-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone

• N China Platform
• grey massive argillaceous oolitic limestone

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 129011: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
  - Wuaniidae
Wuhushania cylindrica, Wuania sp.
Wuhushania cylindrica Zhang and Yuan 1981 trilobite
Wuania sp. Chang 1963 trilobite
 Ptychopariida - Lorenzellidae
Lorenzella wutaiensis
Lorenzella wutaiensis Chang 1965 trilobite
 Ptychopariida - Proasaphiscidae
Proasaphiscus sp., Proasaphiscus yabei, Proasaphiscus (Honanaspis) honanensis
Proasaphiscus sp. Resser and Endo 1935 trilobite
Proasaphiscus yabei Resser and Endo 1935 trilobite