http://www.seaslugforum.net/showall/flabcape http://www.medslugs.de/E/Ind-SW/Coryphella_capensis/Selection.htm http://www.medslugs.de/E/Atl-SE/Coryphella_capensis/Selection.htm https://www.inaturalist.org/taxa/1392208-Coryphella-capensis