Jialao (Cambrian of China)

Where: Guizhou, China (26.3° N, 107.9° E: paleocoordinates 27.4° N, 151.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jialao Formation, Wangcunian (504.5 - 497.0 Ma)

• 85 m thick

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified shale and lithified, argillaceous limestone

• argillaceous limestone with intercalations of calcareous shale in the lower part; calcareous shale, sandy shale and siltstone in the upper part

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: S. Peng and L. E. Babcock. 2001. Cambrian of the Hunan-Guizhou region, south China. Palaeoworld 13:3-51 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 107324: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Dorypygidae
Kootenia fida Zhang et al. 1980 trilobite
Kootenia sanwanensis Zhou 1974 trilobite
 Corynexochida - Dolichometopidae
"Parafuchouia sp." = Fuchouia (Parafuchouia) Lu and Qian 1974 trilobite
Parafuchouia prompta Zhou 1974 trilobite
Parafuchouia cf. elongata Lu and Qian 1974 trilobite
 Ptychopariida - Alokistocaridae
Ehmaniella casta Chien and Zhou 1974 trilobite
 Ptychopariida - Ptychopariidae
Ptychoparella usualis Chien and Zhou 1974 trilobite
Jialaopsis sp. Qian and Zhou 1974 trilobite
Jialaopsis latus Qian and Zhou 1974 trilobite
 Ptychopariida - Solenopleuridae
Solenopleuropsis sp. Thoral 1947 trilobite