Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2021). Ascidiacea World Database.
Synoicum haeckli (Gottschaldt, 1894). Accessed at: https://www.marinespecies.org/ascidiacea/aphia.php?p=taxdetails&id=254032 on 2024-04-19