Fifteen planktic foraminiferal biostratigraphic events from the latest Pliocene-Holocene have been examined in cores from the Coral Sea. Four events are newly recognized, leading to the proposal of two new subzones and the redefinition of two existing ones. The assemblages show marked stability, dominated by spinose, oligotrophic taxa, with tropical and subtropical species dominant.
Use Cases
- Establishing regional biostratigraphic zonation schemes based on newly recognized planktic foraminiferal events.
- Studying faunal stability and dominance of oligotrophic taxa in Pleistocene-Holocene marine sediments.
- Identifying evolutionary intermediates between species like Bolliella calida praecalida and Bo. adamsi.
- Investigating potential reworking of microfossils related to sea-level fluctuations mentioned in the description.
Strengths
- Examines 15 of 27 potential biostratigraphic events from the latest Pliocene-Holocene.
- Proposes two new formal subzones and redefines two existing ones.
- Describes a single new species, Bolliella praeadamsi, identified as an evolutionary intermediate.
Limitations
- Most of the early Pleistocene was not studied due to a hiatus in the core penetrating into the Pliocene.
- Row count and column-level documentation are unknown, limiting suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Biostratigraphic examination of sediment cores.
- Time Range
- Latest Pliocene to Holocene.
- Freshness
- Last updated 2026-04-16 14:20:27.000323; freshness should be verified.
- Geography
- Coral Sea, offshore Queensland, Australia.