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

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