http://www.seaslugforum.net/showall/mexiport
http://slugsite.us/bow/nudwk170.htm
http://www.metridium.com/monterey/nudibranchs/mexichromis.html
this website exists no more:
http://www.biology.ucsc.edu/classes/bio161l/NUDI/cportera.html
http://www.vibrantsea.net/mexichromis10_benitos1.html
http://slugsite.us/bow2007/nudwk563.htm
http://www.photolib.noaa.gov/htmls/libr0432.htm
http://www.medslugs.de/E/Pac-E/Felimare_porterae/Selection.htm
http://www.medslugs.de/E/Pac-NE/Felimare_porterae/Selection.htm
http://www.underwaterkwaj.com/nudi/california/c015.htm
http://smg.photobucket.com/albums/v109/divinman/Nudibranch%20archive/?start=80
http://scottpenny.smugmug.com/gallery/3881249_R9eMK/5
http://www.nudipixel.net/species/mexichromis_porterae/