Erdaogou, BE121 (Cambrian of China)

Where: Liaoning, China (41.3° N, 123.7° E: paleocoordinates 3.2° N, 141.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Drepanura trilobite zone, Kushan Formation, Guzhangian (500.5 - 497.0 Ma)

• sample BE121 from unit 4

• bed-level stratigraphic resolution

Environment/lithology: lithified, calcareous shale and lithified limestone

• N China Platform
• purple and yellow calcareous shale, intercalated with limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: C. L. Chu. 1959. Trilobites from the Kushan Formation of north and northeastern China. Memoirs of the Institute of Palaeontology Academia Sinica 2:44-128 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129884: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Agnostida - Anomocaridae
Wutingshania lui Chu 1959 trilobite
 Agnostida - Diplagnostidae
"Homagnostus taitzehoensis" = Oedorhachis taitzehoensis, Pseudagnostus sp.
"Homagnostus taitzehoensis" = Oedorhachis taitzehoensis Chu 1959 trilobite
Pseudagnostus sp. Jaekel 1909 trilobite
 Asaphida - Liostracinidae
Liostracina krausei Monke 1903 trilobite
 Ptychopariida - Diceratocephalidae
 Ptychopariida - Menomoniidae
Paramenomonia conica Chu 1959 trilobite
 Lichida - Damesellidae
Blackwelderia sinensis Bergeron 1899 trilobite
Blackwelderia shengi n. sp. Chu 1959 trilobite
Blackwelderia paronai Airaghi 1902 trilobite
"Drepanura premesnili" = Neodrepanura premesnili Bergeron 1899 trilobite
Taitzehoia erhtaokouensis n. sp. Chu 1959 trilobite
Taitzehoia wangi Chu 1959 trilobite
Teinistion sp. Monke 1905 trilobite