Locality 59. LA 220. Nose of small west-plunging anticline, 14.4 kilometers south-southeast of Inindia Bore (Ordovician of Australia)

Also known as 574 mm E x 412 mm N AYERS ROCK

Where: Northern Territory, Australia (25.1° S, 131.9° E: paleocoordinates 12.9° N, 164.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: marine; fine-grained, gray, yellow sandstone

• Decalcified silicified fine-grained grey sandstone. (Thinly bedded, fine to medium clean sandstone; minor interbedded sandy limestone, coarse sandstone, medium silty sandstone, phophorite.)

Size class: macrofossils

Preservation: replaced with silica

Collected by A.T. Wells in 1962

• 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 79195: authorized by Pete Wagner, entered by Pete Wagner on 27.02.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cyrtodontida - Cyrtodontidae
Cyrtodonta wattii Tate 1896 clam