MMF North, east side of The Bunkers, 700m N Balcoracana Cr. (Cambrian of Australia)

Also known as ~1.7 km N of MMF section

Where: South Australia, Australia (31.2° S, 138.9° E: paleocoordinates 16.9° N, 162.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Pararaia bunyerooensis trilobite zone, Third Plain Creek Member (Mernmerna Formation), Botomian (516.0 - 513.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: wackestone and packstone

• high fidelity silicification in a bioclastic spiculitic carbonate

Size classes: macrofossils, mesofossils

Preservation: original aragonite, original calcite, replaced with silica

Collection methods: surface (in situ)

Primary reference: S. M. Jacquet and G. A. Brock. 2016. Lower Cambrian helcionelloid macromolluscs from South Australia. Gondwana Research 36:333-358 [P. Wagner/P. Wagner/S. Jacquet]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190182: authorized by Sarah Jacquet, entered by Sarah Jacquet on 01.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• SAMP specimens
 Tryblidioidea - Protoconchoididae
Galeacalvus coronarius Jacquet and Brock 2016