Harmer, S. F. (1915). The Polyzoa of the Siboga Expedition. Part 1. Entoprocta, Ctenostomata and Cyclostomata. <em>Siboga Expedition Reports.</em> 28A: 1-180., available online athttps://www.biodiversitylibrary.org/page/2189227[details]
Bock, P. (2025). World List of Bryozoa. Arachnoidella protecta Harmer, 1915. Accessed through: Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stepien, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2025) World Register of Introduced Marine Species (WRiMS) at: https://www.marinespecies.org/introduced./aphia.php?p=taxdetails&id=471958 on 2026-03-27
Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stępień, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2026). World Register of Introduced Marine Species (WRiMS). Arachnoidella protecta Harmer, 1915. Accessed at: https://marinespecies.org/Introduced/aphia.php?p=taxdetails&id=471958 on 2026-03-27
original descriptionHarmer, S. F. (1915). The Polyzoa of the Siboga Expedition. Part 1. Entoprocta, Ctenostomata and Cyclostomata. <em>Siboga Expedition Reports.</em> 28A: 1-180., available online athttps://www.biodiversitylibrary.org/page/2189227[details]