071/4 (Ordovician of Australia)

Where: Queensland, Australia (23.3° S, 138.6° E: paleocoordinates 20.2° N, 171.7° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, pebbly, shelly/skeletal grainstone and fine-grained sandstone

• At this locality the basal Nora Formation comprises poorly outcropping coarse pebbly skeletal grainstone layers, interbedded with find sandstone and siltstone, and generally concealed below alluvium.

Size class: mesofossils

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

PaleoDB collection 157053: authorized by Melanie Hopkins, entered by Melanie Hopkins on 05.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• gastropods, rostroconchs, bivalves, nautiloids, ostracodes, eocrinoid, also present
Show authors, comments, and common names
Trilobita
 Corynexochida - Leiostegiidae
Annamitella strigifrons n. sp.
Annamitella strigifrons n. sp. Fortey and Shergold 1984 trilobite
 Proetida - Telephinidae
Phorocephala aff. genalata, Carolinites genacinaca
Carolinites genacinaca Ross 1951 trilobite
 Asaphida - Asaphidae
Lycophron sp., Norasaphus skalis n. gen. n. sp.
Lycophron sp. Fortey and Shergold 1984 trilobite
Norasaphus skalis n. gen. n. sp. Fortey and Shergold 1984 trilobite
subgenus Norasaphus
 Asaphida - Hungaiidae
Hungioides acutinasus
Hungioides acutinasus Fortey and Shergold 1984 trilobite
 Phacopida - Prosopiscidae
Prosopiscus sp., Prosopiscus praecox n. sp.
Prosopiscus sp. Salter 1865 trilobite
Prosopiscus praecox n. sp. Fortey and Shergold 1984 trilobite