http://www.seaslugforum.net/factsheet.cfm?base=colppusi
http://www.medslugs.de/E/Atl-NE/Colpodaspis_pusilla.htm
http://www.medslugs.de/E/Med/Colpodaspis_pusilla.htm
http://www.habitas.org.uk/marinelife/species.asp?item=W10020
http://www.scottishnudibranchs.co.uk/colpodaspis-pusilla.html