@inbook{ERMS:SourceID:1379, author = {Mapstone, G.M.}, title = {Siphonophora, in: Costello, M.J. et al. (Ed.) European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification.}, url = {http://www.marbef.org/data/aphia.php?p=sourcedetails&id=1379}, year = {2001} }