- ↑ 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.
- ↑ Emig, Christian (2006) Systematics of extant brachiopod taxa.,
- ↑ Howson, C.M. (2001) Brachiopoda, 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:
- ↑ 4.0 4.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ WoRMS Brachiopoda & Phoronida: Brachiopoda & Phoronida World Databases. Emig C.C., 10 Oktubre 2008