Silén, L. (1946). On two groups of Bryozoa living in Shells of Molluscs. <em>Arkiv för Zoologi. Stockholm.</em> 38B(1): 1-7. (look up in IMIS) [details] Available for editors [request]
Bock, P. (2024). World List of Bryozoa. Penetrantiidae Silén, 1946. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=110797 on 2024-11-24
original descriptionSilén, L. (1946). On two groups of Bryozoa living in Shells of Molluscs. <em>Arkiv för Zoologi. Stockholm.</em> 38B(1): 1-7. (look up in IMIS) [details] Available for editors [request]
basis of recordHayward, 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 sourceHowson, C.M. & B.E. Picton. (1997). The species directory of the marine fauna and flora of the British Isles and surrounding seas. <em>Ulster Museum Publication, 276. The Ulster Museum: Belfast, UK. ISBN 0-948150-06-8.</em> vi, 508 (+ cd-rom) pp. (look up in IMIS) [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
Present 