Elder Range, Wirrapowie Limestones Formation, section ER-9, sample ER-9 67.3 (Cambrian of Australia)

Where: South Australia, Australia (31.7° S, 138.4° E: paleocoordinates 16.4° N, 161.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Abadiella huoi trilobite zone, Wirrapowie Limestones Formation, Atdabanian (520.0 - 516.0 Ma)

• Early Cambrian (Series 2, Stage 3).

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; reef rocks

• a total of 4.71 m from 38.6-43.31 m above the base in section ER-9 (Wirrapowie Limestone).
• Massively bedded mottled limestone. 38.6 m true thickness above the base of the


Size classes: mesofossils, microfossils

Primary reference: T. P. Topper, C. B. Skovsted, G. A. Brock and J. R. Paterson. 2011. The oldest bivalved arthropods from the early Cambrian of East Gondwana: Systematics, biostratigraphy and biogeography. Gondwana Research (19)310-326 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140346: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 08.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Bradoriida - Hipponicharionidae
Quadricona madonnae Topper et al. 2011