Section 705/72 (Ordovician of Australia)

Where: Western Australia, Australia (18.7° S, 125.9° E: paleocoordinates 14.7° N, 161.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kayseraspis cf. brackebuschi trilobite zone, Emanuel Formation, Bendigonian (474.9 - 473.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone and lithified siltstone

• A poorly exposed basal member of 142 m with only a few thin limestone beds and the occasional interval of shale and siltstone outcropping

Size class: mesofossils

Primary reference: J. R. Laurie and J. H. Shergold. 1996. Early Ordovician trilobite taxonomy and biostratigraphy of the Emanuel Formation, Canning Basin, western Australia. Part 1. Palaeontographica Abteilung A 240(1-3):65-103 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 157154: authorized by Melanie Hopkins, entered by Melanie Hopkins on 06.06.2014, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

 Phacopida - Pliomeridae
Hintzeia actinura Dalman 1824 trilobite
 Proetida - Hystricuridae
"Hystricurus cf. lewisi" = Tasmanaspis lewisi
"Hystricurus cf. lewisi" = Tasmanaspis lewisi Kobayashi 1940 trilobite