Adelaide geosyncline [Billy Creek Fm] (Cambrian to of Australia)

Where: South Australia, Australia (34.9° S, 138.6° E: paleocoordinates 13.5° N, 160.1° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Billy Creek Formation, Atdabanian to Atdabanian (521.0 - 512.9 Ma)

• Lower Cambrian age.

Environment/lithology: open shallow subtidal; micaceous, brown, red shale and micaceous, brown, red siltstone

• Red to brown micaceous shales and siltstones

Primary reference: J. B. Jago. 1981. Fossiliferous Cambrian sequences in the Southwestern Pacific part of Gondwanaland. Open-file report OF 81-0743:93-96 [M. Patzkowsky/Z. Krug/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42286: authorized by Mark Patzkowsky, entered by Zack Krug on 27.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Trilobites only listed.
Trilobita
 Redlichiida - Emuellidae
Balcoracania sp. Pocock 1970 trilobite
 Redlichiida - Estaingiidae
Estaingia sp. Pocock 1964 trilobite
 Redlichiida - Redlichiidae
Redlichia sp. Cossmann 1902 trilobite