Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2025). Ascidiacea World Database.
Parascidium crispum Huitfeld-Kaas, 1896. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=253483 on 2025-05-03