Also known as Section 423 (Shergold & Southgate, 1986)

Where: Queensland, Australia (19.5° S, 138.9° E: paleocoordinates 26.8° N, 172.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ptychagnostus atavus trilobite zone, Inca Formation, Floran (504.5 - 503.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Inca Fm, which is a correlative of the CUrrant Brush Lmst, and overlies the Thorntonia Lmst and Beetle Creek Fm (Middle Cambrian), and is overlain by the V Creek Lmst (Middle Cambrian). AGE: Floran; Ptychagnostus atavus trilobite zone. STRATIGRAPHIC POSITION: From the eighth concretion layer from the bottom, in a 15 m thick section (10 concretionary layers).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary carbonate

Size class: macrofossils

Preservation: concretion

Collection methods: bulk,

• COLLECTOR: Not stated in text, but presumably the authors. REPOSITORY: Not stated in text.

Primary reference: M.-Z. Won and R. Below. 1999. Cambrian Radiolaria from the Georgina Basin, Queensland, Australia. Micropaleontology 45(4):325-363 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90972: authorized by Austin Hendy, entered by Austin Hendy on 27.08.2009

Creative Commons license: CC BY (attribution)