(of)Manzoni, A. (1870). Bryozoi fossili Italiani. Quarta Contribuzione. <em>Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe.</em> 61: 323-349., available online athttps://www.biodiversitylibrary.org/page/35520544#page/375/mode/1up page(s): 329 [details]
Bock, P. (2021). World List of Bryozoa. Chaperiopsis annulus (Manzoni, 1870). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://marbef.org/data../aphia.php?p=taxdetails&id=111298 on 2026-09-26
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Chaperiopsis annulus (Manzoni, 1870). Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=111298 on 2026-09-26
original description(of)Manzoni, A. (1870). Bryozoi fossili Italiani. Quarta Contribuzione. <em>Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe.</em> 61: 323-349., available online athttps://www.biodiversitylibrary.org/page/35520544#page/375/mode/1up page(s): 329 [details]
basis of recordHayward, P.J. (2001). Bryozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 325-333 (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality
Present 