Section AJX-N, sample AJX-N/334. 191.6 meters (Cambrian of Australia)

Also known as Ajax Limestone, Abadiella huoi trilobite zone

Where: South Australia, Australia (30.6° S, 138.3° E: paleocoordinates 17.1° N, 162.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Abadiella huoi trilobite zone, Ajax Limestone Formation, Atdabanian (521.0 - 516.0 Ma)

• bed-level stratigraphic resolution

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

• Grey to buff bioclastic (commonly silicified) and nodular mottled limestones

Size classes: mesofossils, microfossils

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 172572: authorized by Pete Wagner, entered by Pete Wagner on 11.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Helcionelloida
 Helcionellida - Helcionellidae
Ilsanella enallaxa
Ilsanella enallaxa Jacquet and Brock 2016