Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 45, issue 2
Articles | Volume 45, issue 2
https://doi.org/10.5194/jm-45-653-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-45-653-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 45, issue 2
Research article
 | 
27 Aug 2026
Research article |  | 27 Aug 2026

Taxonomic reassessment and palaeobiogeographical patterns of some Miogypsinidae species, larger benthic foraminifera

Davide Bassi, Juan Carlos Braga, Shunichi Kinoshita, Johannes Pignatti, and Yasufumi Iryu
Publisher's note: on 2 September 2026, the word Kutadai was corrected to Kitadaito throughout the article, as it had been mistakenly changed during proofreading.

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Short summary
Based on type specimens, we reassess the larger benthic foraminifera Miogypsinella borodinensis, type of the genus, and Miogypsinoides lateralis. We show that two Miogypsinella species were widespread across the Indo-Pacific in the Chattian–Aquitanian, while another lived in the eastern Pacific. The latest Aquitanian Indonesian Seaway restriction and widespread deeper-water deposition on SE Asia carbonate platforms likely caused the extinction of the studied Indo-Pacific taxa.
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