Arenoturrispirillina waskowskae, 2022, Syouma Hikmahtiar and Michael A. Kaminski. -"Geology, Geophysics and Environment"

Ammopemphix contessaensis, 2023, Syouma Hikmahtiar and Michael A. Kaminski. -"Bollettino della Società Paleontologica Italiana"

Nodulina kuhnti, 2023, Syouma Hikmahtiar and Michael A. Kaminski. -"Journal of Foraminiferal Research"

Nodulina eugubina, 2023, Syouma Hikmahtiar and Michael A. Kaminski. -"Journal of Foraminiferal Research"

Paratrochamminoides waskowskae, 2024, Michael A. Kaminski, Asmaa Korin and Syouma Hikmahtiar. -"Micropaleontology"

Bulbobaculites attashensis, 2024, Muhammad Chernoh Jalloh, Syouma Hikmahtiar, Asmaa Korin, Sinatrya Diko Prayudi, Adam Fheed & Michael A. Kaminski. -"Annales Societatis Geologorum Poloniae"

Glomospira kaminskii, 2025, Syouma Hikmahtiar. "Annales Societatis Geologorum Poloniae"