Late Cambrian Trilobite Fossils from the Mariner Group, Antarctica

Seven determined trilobite taxa are described from the youngest Late Cambrian assemblage discovered in the Mariner Group of northern Victoria Land, Antarctica. The data originates from a paper published by Geoscience Australia, last updated on the platform in April 2026. This fauna is related to material previously described from Kazakhstan, Siberia, north China, Australia, and North America.

Use Cases

• Comparative biostratigraphic analysis based on the described trilobite taxa.
• Paleogeographic reconstruction based on faunal relationships with Kazakhstan, Siberia, and other regions.
• Refining the biochronological position of the Eureka Formation based on the described post-Idamean assemblage.

Strengths

• Describes a specific assemblage of seven determined trilobite taxa.
• Provides detailed geological context including formation and location within the Mariner Group.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The exact biochronological position of the fauna is noted as not yet finally established.

Provenance

Source

Geoscience Australia Data

Collection Method

Scientific paper describing a fossil assemblage.

Time Range

Late Cambrian period (likely early Franconian).

Freshness

Last updated 2026-04-20 02:34:25.631694; freshness should be verified.

Geography

Mariner Group, Eureka Spurs, head of Mariner Glacier, northern Victoria Land, Antarctica.