context source (Introduced species)
Fofonoff, P.W.; Ruiz, G.M.; Steves, B.; Carlton, J.T. (2014). National Exotic Marine and Estuarine Species Information System (NEMESIS), available online at http://invasions.si.edu/nemesis [details]
basis of record
Hayward, P.J. (2001). Entoprocta, <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. 179-180 (look up in IMIS) [details]
additional source
Nielsen, C. (1989). Entoprocts: keys and notes for the identification of the species. <em>Synopses of the British fauna (New Series).</em> 41, 131p. (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 regional or thematic species database
Introduced species impact in Australian Exclusive Economic Zone (EEZ) : Water abstraction or nuisance fouling [details]
Introduced species vector dispersal United States part of the North Pacific Ocean (Marine Region) Aquaculture: accidental [details]
Introduced species vector dispersal in Australian Exclusive Economic Zone (EEZ) : Fisheries: accidental with deliberate translocations of fish or shellfish [details]
Present 