Lily Creek Section B791a (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, silty, sandy packstone and lithified, shelly/skeletal wackestone

• "rocks were deposited in high energy shallow subtidal, intertidal and possibly aeolian environments"
• "Sandy/silty skeletal packstone with interlaminated skeletal wackestone and silty pelletal skeletal grainstone; common pyrite and scattered dolomite."

Size class: macrofossils

Preservation: mold/impression

Collected by BMR field party in 1957-1960

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 228186: authorized by Melanie Hopkins, entered by Melanie Hopkins on 22.11.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Pelmatozoa indet.
Pelmatozoa indet. Leuckart 1848
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805
Artiopoda
 Agnostida - Diplagnostidae
Pseudagnostus (Pseudagnostus) parvus, Rhaptagnostus auctor n. sp.
Rhaptagnostus auctor n. sp. Shergold 1980
Trilobita
 Corynexochida - Kaolishaniidae
Peichiashania sp.
Peichiashania sp. Chang 1959 trilobite
 Corynexochida - Missisquoiidae
Parakoldinioidia aff. bigranulosa
 Ptychopariida -
Taishania platyfrons
Taishania platyfrons Shergold 1980 trilobite