Tanaka, Gengo https://orcid.org/0000-0002-2975-6675
Niiyama, Sota https://orcid.org/0000-0002-7141-1072
Article History
Received: 6 January 2025
Accepted: 26 September 2025
First Online: 3 October 2025
Declarations
:
: The authors declare no competing interests.
: This is an observational study of dried Ostracod valves collected over 50 years ago. We declared that no animal ethical approval is required.