Lily Creek Section K204 (Cambrian of Australia)

Where: Queensland, Australia (22.0° S, 140.3° E: paleocoordinates 24.9° N, 174.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Peichiashania secunda - Prochuangia glabella trilobite zone, Chatsworth Formation, Iverian (494.0 - 489.5 Ma)

• Should be Jiangshanian

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, ooidal, shelly/skeletal grainstone

• "rocks were deposited in high energy shallow subtidal, intertidal and possibly aeolian environments"
• "From within a 4 m unit of thin-bedded limestone: pelletal grainstone containing rare ooids, Girvanella fragments and calcispheres; silicified skeletal grains."

Size class: macrofossils

Preservation: mold/impression

Collected by Shergold in 1969

Collection methods: surface (in situ), mechanical,

Primary reference: J. H. Shergold. 1980. Late Cambrian trilobites from the Chatsworth Limestone, western Queensland. Bureau of Mineral Resources, Geology and Geophysics Bulletin 186:1-108 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 228027: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.11.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Tergomya
 Tryblidiida - Tryblidiidae
Proplina sp. Kobayashi 1933
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Artiopoda
 Agnostida - Diplagnostidae
Pseudagnostus sp. Jaekel 1909
 Agnostida - Agnostidae
Connagnostus sp. Opik 1967
Trilobita
 Olenida - Dokimokephalidae
Wuhuia silex n. sp. Shergold 1980 trilobite
Lorrettina depressa n. sp. Shergold 1980 trilobite
 Olenida - Eulomidae
Iveria iverensis n. sp. Shergold 1980 trilobite
 Corynexochida - Leiostegiidae
Prochuangia glabella Shergold 1980 trilobite
 Corynexochida - Kaolishaniidae
Peichiashania secunda Shergold 1980 trilobite
unclassified
  -
Porifera indet. Grant 1836