Lily Creek Section B50b (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 tertia - Peichiashania quarta trilobite zone, Chatsworth Formation, Iverian (494.0 - 489.5 Ma)

• Should be Jiangshanian

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, peloidal, shelly/skeletal, sandy packstone

• "rocks were deposited in high energy shallow subtidal, intertidal and possibly aeolian environments"
• "Sandy pelletal skeletal packstone; contains calcispheres and scattered pyrite."

Size class: macrofossils

Preservation: mold/impression

Collected by BMR field party in 1957-60

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 228039: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.11.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Olenida - Eulomidae
Iveria iverensis Shergold 1980 trilobite
 Corynexochida - Kaolishaniidae
Peichiashania tertia Shergold 1980 trilobite