Early Devonian Thelodont Fossils from Australian Geological Basins

A geological journal article describes fossil scales of thelodonts, an extinct group of jawless fish, from Early Devonian deposits across Australian basins. The publication details species like Turinia australiensis and discusses their correlation with other fossils, such as placoderm Wuttagoonaspis plates. It reviews the adaptive radiation of the Turinia fauna in Australia from Early to Middle Devonian periods.

Use Cases

• Analyze the distribution of Turinia australiensis scales across the Georgina, Cobar/Wilcannia, Canning, and Carnarvon basins to map Early Devonian marine environments.
• Correlate thelodont fossil occurrences with associated ostracods and eridostracans to reconstruct marginal marine paleoenvironments.
• Study the temporal relationship between thelodont scales and placoderm Wuttagoonaspis plates from freshwater facies for biostratigraphic dating.
• Trace the adaptive radiation of the Turinia fauna from Early Devonian to Middle Devonian (Givetian-Frasnian) stocks in the Australian region.

Strengths

• Provides taxonomic identification for multiple thelodont species, including Turinia australiensis, T. cf. pagei, and Gampsolepis ? sp.
• Correlates fossil data across four distinct Australian geological basins: Georgina, Cobar/Wilcannia, Canning, and Carnarvon.
• Links thelodont fossil evidence with associated fauna like ostracods and placoderms for environmental interpretation.

Limitations

• Data is presented as a scientific journal article in PDF/HTML format, not as a structured, tabular dataset for direct analysis.
• Sample data and quantitative metrics like row counts or measurement columns are unavailable.
• Geographic coverage is specific to Australian basins, limiting broader paleontological comparisons.

Provenance

Source

Geoscience Australia Data

Collection Method

null

Time Range

Early Devonian to Middle Devonian (Emsian to Givetian-Frasnian)

Freshness

null

Geography

Australian geological basins: Toko Syncline (QLD), Georgina Basin, Cobar/Wilcannia area (NSW), Canning Basin, Carnarvon Basin (WA)