Locality 158/13 (Ordovician of Australia)

Where: Northern Territory, Australia (23.0° S, 137.8° E: paleocoordinates 19.9° N, 170.9° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Upper Member (Nora Formation), Arenig (478.6 - 466.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified sandstone and lithified siltstone

• Flaggy bedded sandstone and siltstone with occasionally more calcareous interlayers, now decalcified, which contain the richest faunas.

Size class: mesofossils

Preservation: mold/impression

Collected in 1976

Primary reference: R. A. Fortey and J. H. Shergold. 1984. Early Ordovician trilobites, Nora Formation, central Australia. Palaeontology 27:315-366 [M. Hopkins/M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 157080: authorized by Melanie Hopkins, entered by Melanie Hopkins on 05.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Mollusks, bivalves, gastropods, rostroconchs, and brachiopods also present.
Show authors, comments, and common names
Trilobita
 Asaphida - Asaphidae
Norasaphus monroeae
Norasaphus monroeae Fortey and Shergold 1984 trilobite
subgenus Norasaphites