Alecto major

Hayward, P.J.; Ryland, J.S. (1985). Cyclostome bryozoans: keys and notes for the identification of the species. <i>Synopses of the British fauna (new series)</i>, 34. E.J. Brill; W. Backhuys: London, UK. ISBN 90-04-07697-2. vi, 154 pp.

Johnston, G. (1847). A history of British zoophytes. Van Voorst, Second edition, London. pp. vol. 1, pp. i-xvi, 1-488, vol. 2, plates 1-74. <em>Van Voorst, London.</em> 1: 1-499, figs 1-87; vol. 2: pls 1-74.