Where: South Australia, Australia (35.3° S, 139.5° E: paleocoordinates 50.1° S, 135.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ettrick Formation, Chattian (28.1 - 23.0 Ma)

• "Interestingly, a tooth of the Oligocene shark Carcharodon angustidens. collected at Tailem Bend in 1936, has the same dark preservation as the Metasqualodon and Hexanchus teeth, and other shark teeth from reducing sediments, and adds support for the provenance of Metasqualodon being the Ettrick Formation." (Pledge & Rothausen, 1977). Associated plankton include Turborotalia euapertura, Guembelitria triseriata and Chiloguembelina cubensis, suggesting a Late Oligocene (P21 Zone) age (Gallagher & Gourley, 2007). Metasqualodon teeth likely came from the upper part of the unit (Pledge & Rothausen, 1977).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, green marl

Size class: macrofossils

Preservation: original phosphate

Collection methods: surface (in situ),

Primary reference: E. B. Sanger. 1881. On a molar tooth of Zeuglodon from the Tertiary beds on the Murray River near Wellington, S.A. Proceedings of the Linnean Society of New South Wales 5:298-301 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45792: authorized by Mark Uhen, entered by Mark Uhen on 02.12.2004

Creative Commons license: CC BY (attribution)