Millar, R. H. (1954). Protostyela heterobranchia n.gen., n.sp., a styelid ascidian from the scottish west coast. J. Mar. biol Ass. U.K. 33: 677-679.[details] Available for editors
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2021). Ascidiacea World Database. Protostyela heterobranchia Millar, 1954. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=103917 on 2025-04-23
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Protostyela heterobranchia Millar, 1954. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=103917 on 2025-04-23
original descriptionMillar, R. H. (1954). Protostyela heterobranchia n.gen., n.sp., a styelid ascidian from the scottish west coast. J. Mar. biol Ass. U.K. 33: 677-679.[details] Available for editors
basis of recordMonniot, C. (2001). Ascidiacea & Sorberacea. In: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels. 50: pp. 352-355. (look up in IMIS) [details]
Present 