Late Cambrian Trilobite Fossils from the Mariner Group, Antarctica

A Late Cambrian trilobite assemblage discovered in the Mariner Group of northern Victoria Land, Antarctica. The paper describes seven determined trilobite taxa, including new species, and relates the fauna to material from Kazakhstan, Siberia, China, Australia, and North America. The assemblage is younger than the underlying Spurs Formation and is likely immediately post-Idamean (early Franconian) in age.

Use Cases

• Biostratigraphic correlation based on described trilobite taxa.
• Paleogeographic reconstruction based on faunal relationships with Kazakhstan, Siberia, China, Australia, and North America.
• Taxonomic study of Cambrian trilobites, including the novel species Apheloides? depressa sp. nov.

Strengths

• Describes seven determined trilobite taxa, including a new species.
• Provides specific geographic location: Eureka Spurs at the head of Mariner Glacier, Antarctica.
• Discusses biochronological position relative to the Idamean and Franconian stages.

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 is not yet finally established.

Provenance

Source

Australian Ocean Data Network

Collection Method

Scientific paper describing fossil discoveries.

Time Range

Late Cambrian period (likely early Franconian).

Freshness

Last updated 2026-06-27 19:42:11.200237; freshness should be verified.

Geography

Mariner Group, northern Victoria Land, Antarctica.