Large cicada fossil (Cicadidae, Cicadinae, Tacuini) from the Middle Pleistocene Shiobara Group, Nasushiobara, Tochigi, Japan

Released on J-STAGE: February 05, 2026 | Volume 30 Pages 1-8

Hiroaki Aiba, Masami Hayashi

Fossil ostracod faunas from the Katsuta Group of the Setouchi Geologic Province in southwestern Japan and their paleobiogeography during the mid-Miocene Climatic Optimum

Released on J-STAGE: November 12, 2025 | Volume 29 Pages 253-285

Toshiaki Irizuki, Kenta Suzuki, Shota Aoshima, Shigenori Kawano

A new species of Eubostrychoceras (Ammonoidea, Nostoceratidae) from the Santonian (Upper Cretaceous) of Hokkaido, Japan

Released on J-STAGE: August 26, 2025 | Volume 29 Pages 182-198

Daisuke Aiba

Lower jaws of two Late Cretaceous pachydiscid ammonites from Hokkaido, Japan with discussion on taxonomic and paleoecological implications of pachydiscid jaw apparatus

Released on J-STAGE: December 05, 2025 | Volume 29 Pages 300-315

Kazushige Tanabe, Akihiro Misaki

Ostracods from the Upper Ordovician Phu Ngu Formation, Northern Vietnam: systematics, paleoecology and paleobiogeographical significance

Released on J-STAGE: July 07, 2025 | Volume 29 Pages 124-148

Anna Mcgairy, Phong Duc Nguyen, Mark Williams, Christopher P. Stocker, Thomas H. P. Harvey, Toshifumi Komatsu, C. Giles Miller