World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Ammonia sikokuensis (Ishizaki, 1948)&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1052822 on 2026-08-29
Ishizaki, K. (1948). Six New Fossil Species of Streblus from Eastern Asia. Acta Geologica Taiwanica. 2(1): 55-66.