Locality 15. UQL 2871. 5.2 kilometers by road west of escarpment of Toko Range on road west from Glenormiston Homestead (Ordovician of Australia)

Also known as 125 mm E x 22 mm N Glenormiston map

Where: Queensland, Australia (22.9° S, 138.8° E: paleocoordinates 19.1° N, 166.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Carlo Sandstone Formation, Darriwilian (467.3 - 458.4 Ma)

• http://dbforms.ga.gov.au/pls/www/geodx.strat_units.sch_full?wher=stratno=3624. Age and evidence: Fauna suggests a Middle Ordovician (latest Arenigian-Llanvirnian) age (Öpik and Gilbert-Tomlinson in Smith 1972, Shergold et al 1976). Lies conformable atop of Nora formation.

• formation-level stratigraphic resolution

Environment/lithology: lithified, brown, red, sandy limestone and micaceous sandstone

• Shallow littoral marine in shoaling or barrier island setting (Shergold et al 1976); high-energy barrier with barrier island, flat and bay subfacies (Draper 1977).
• Fine-grained decalcified sandstone, white/yellow/orange/pinkish-brown. Dark reddish-brown staining; surface silicification

Size class: macrofossils

Collected by J.S. Jell, T. Haskell & B. Runnegar in 1964; reposited in the UQ

• CPC & QML specimens

Primary reference: J. Pojeta and J. Gilbert-Tomlinson. 1977. Australian Ordovician pelecypod molluscs. Bureau of Mineral Resources, Geology and Geophysics, Bulletin 174:1-64 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79126: authorized by Pete Wagner, entered by Pete Wagner on 26.02.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Mytilida - Modiolopsidae
Runnegaria cuneata n. gen. n. sp.
Runnegaria cuneata n. gen. n. sp. Pojeta and Gilbert-Tomlinson 1977 clam
 Myalinida - Ambonychiidae
Glyptonychia wilsoni n. gen. n. sp.
Glyptonychia wilsoni n. gen. n. sp. Pojeta and Gilbert-Tomlinson 1977 clam