Clarke, A. ; Johnston, N. M. (2003). Antarctic marine benthic diversity. Oceanography and Marine Biology: an Annual Review 41: 47-114
Hayward, P. J. (2001). Bryozoa, 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. 325-333
Hayward, P. J. ; Ryland, J. S. (Ed. ) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
The Global Biodiversity Information Facility:
GBIF Backbone Taxonomy, 2013-07-01.
Accessed via http://www.gbif.org/species/467 on 2015-03-02
This backbone name usage exists because it was found in another checklist at the time the backbone was built. The primary source name usage has since been removed from the portal.