original description
Ehlers, E. [Ernst]. (1876). Hypophorella expansa. Ein Beitrag zur Kenntniss der minirenden Bryozoen. <em>Abhandlungen der Königlichen Gesellschaft der Wissenschaften in Göttingen.</em> 21: 1-156, plates 1-5., available online at https://biodiversitylibrary.org/page/35637313 [details] 
basis of record
Hayward, 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]
additional source
Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors 
[request]
From editor or global species database
