- ↑ Emig, C.C. (1979) British and other phoronids: keys and notes for the identification of the species. Synopses of the British fauna (new series), 13. Academic Press: London, UK. ISBN 0-12-238750-3. 57 pp.,
- ↑ UNESCO-IOC Register of Marine Organisms,
- ↑ Emig, C.C.; Roldán, C.; Viéitez, J.M. (2001) Phoronida, 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
