JpGU-AGU Joint Meeting 2026

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[E] Oral

B (Biogeosciences ) » B-PT Paleontology

[B-PT03] Biomineralization, Geochemistry, and Environmental Studies

Wed. May 27, 2026 10:45 AM - 12:15 PM Exhibition Hall Special Setting (5) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Toyofuku Takashi(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Hirose Kotaro(Institute of Natural and Environmental Sciences, University of Hyogo), Heinz Petra(University of Vienna, Department of Palaeontology), de Nooijer Jan Lennart(Royal Netherlands Institute for Sea Research)

10:45 AM - 11:00 AM

[BPT03-07] Re-evaluating species boundaries between Globorotalia ungulata and Globorotalia tumida using molecular phylogenetic analysis

*Tomoki Maruta1, Haruka TAKAGI1 (1. University of Tokyo)

Keywords:Planktonic foraminifera, Molecular phylogenetic analysis , Globorotalia ungulata, Globorotalia tumida, Stable isotope anlysis, Morphometric analysis