Locality 68. H119*. North side of valley of Tomahawk Creek, 3.2 kilometers south-southwest of Tomahawk Yard. (Cambrian of Australia)

Also known as 331 mm E x 241 mm N

Where: Northern Territory, Australia (22.3° S, 136.0° E: paleocoordinates 21.7° N, 178.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Beds Member (Tomahawk Formation), Payntonian (489.5 - 488.3 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; ferruginous sandstone

• weathered ferruginous sandstone

Size class: macrofossils

Collected by R. Vine in 1958

• CPC & QML specimens

Primary reference: J. Pojeta, J. Gilbert-Tomlinson, and J.H. Shergold. 1977. Cambrian and Ordovician rostroconch molluscs from Northern Australia. Australian Bureau of Mineral Resources, Geology and Geophysics Bulletin 171:1-54 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77609: authorized by Pete Wagner, entered by Pete Wagner on 15.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Rostroconchia
 Ribeirioida - Ribeiriidae
Cymatopegma semiplicatum Pojeta et al. 1977