ammonites
Locality 56. LA 145*. Section LAC4. North limb of Johnny's Creek Anticline (Ordovician of Australia)

Also known as 417 mm E x 376 mm N LAKE AMADEUS

Where: Northern Territory, Australia (24.3° S, 131.9° E: paleocoordinates 13.8° N, 164.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Sandstone Member (Stairway Formation), Darriwilian (468.1 - 460.9 Ma)

• float from formation

• formation-level stratigraphic resolution

Environment/lithology: marine; white, yellow sandstone

• Decalcified white sandstone with yellow staining. (Thinly bedded, fine to medium clean sandstone; minor interbedded sandy limestone, coarse sandstone, medium silty sandstone, phophorite.)

Size class: macrofossils

Collected by P.J. Cook 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 79192: authorized by Pete Wagner, entered by Pete Wagner on 27.02.2008