Where: Tasmania, Australia (41.3° S, 146.4° E: paleocoordinates 11.1° N, 170.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Didymograptus protobifidus - Isograptus primulus graptolite zone, Caroline Creek Formation (Denison Group), Chewtonian (473.1 - 470.0 Ma)

• Formerly Caroline Creek Sandstone. Sometimes given as member of Cabbage Tree formation. Jell & Stait (1985) note that it is equivalent to the D. deflexus graptolite zone, with is Didymograptus protobifidus - Isograptus primulus zones in Australia.

• member-level stratigraphic resolution

Environment/lithology: marine; gray, silty sandstone

Size class: macrofossils

Collected by Frome-Broken Hill Party Ltd in 1959

• CPC 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 79013: authorized by Pete Wagner, entered by Pete Wagner on 21.02.2008

Creative Commons license: CC BY (attribution)