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Rusophycus (Early Ordovician ichnofossil) from the Mithaka Formation, Georgina Basin

Created 16/10/2025

Updated 16/10/2025

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Large trilobite resting traces (Rusophycus) from the Mithaka Formation are up to 30 cm or more in length, and are found in association with asaphid trilobites of similar length. The portion of the Mithaka Formation in which the Rusophycus occur contains a rich fauna and ichnofauna, and is considered to have been deposited in very shallow-water marginal to wide intertidal barrier flats behind a sand barrier.

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Field Value
Title Rusophycus (Early Ordovician ichnofossil) from the Mithaka Formation, Georgina Basin
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/3f16e432-ac69-4d52-bbd5-a88b29cb6252
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        133.0,
        -25.0
      ],
      [
        141.0,
        -25.0
      ],
      [
        141.0,
        -17.0
      ],
      [
        133.0,
        -17.0
      ],
      [
        133.0,
        -25.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Rusophycus (Early Ordovician ichnofossil) from the Mithaka Formation, Georgina Basin". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/rusophycus-early-ordovician-ichnofossil-from-the-mithaka-formation-georgina-basin