~50–100 m above the base of the Heatherdale Shale, Mount Terrible Gully (Cambrian of Australia)

Also known as Locality 1

Where: South Australia, Australia (35.3° S, 138.5° E: paleocoordinates 12.6° N, 159.3° W)

• coordinate stated in text

• hand sample-level geographic resolution

When: Heatherdale Shale Formation (Normanville Group), Early/Lower Cambrian (541.0 - 513.0 Ma)

• Lower Cambrian (Series 2, Stage 3)

Environment/lithology: basinal (siliceous); lithified, silty shale

• The Heatherdale Shale was deposited below storm wave-base in a deep marine to basinal setting, as part of a transgressive succession following the shallow water carbonate platform sediments of the Fork Tree Limestone.

•A low energy, basinal and dysaerobic to anaerobic environment.

Size classes: macrofossils, mesofossils

Preservation: cast, mold/impression, original aragonite, original calcite, replaced with hematite

Collection methods: surface (in situ)

Primary reference: S. M. Jacquet, J. B. Jago, and G. A. Brock. 2016. An enigmatic univalve macromollusc from the lower Cambrian (Series 2, Stage 3) Heatherdale Shale, South Australia. Australasian Palaeontological Memoirs 49:21-30 [S. Jacquet/S. Jacquet]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190396: authorized by Sarah Jacquet, entered by Sarah Jacquet on 07.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Helcionellida -
Tribelopoma amygdala Jacquet et al. 2016