http://www.pictonb.freeserve.co.uk/nudibranchs/lommar.html
http://www.habitas.org.uk/marinelife/species.asp?item=W12520
http://opistobranquis.info/en/guia/nudibranchia/dexiarchia/dendronotida/lomanotus-marmoratus/
http://www.medslugs.de/E/Atl-NE/Lomanotus_marmoratus/Selection.htm