World Register of Marine Species (WoRMS)
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2026). Ascidiacea World Database. Styela macrogastra Oka, 1935. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=253929 on 2026-08-02
Oka, A. (1935). Report of the biological survey of Mutsu Bay 28. Ascidiae simplices. Sci. Rep. Tohoku Univ. 10: 427-466.