http://slugsite.us/bow/nudwk285.htm
http://slugsite.us/bow/hanspic2.htm
http://slugsite.us/bow/hanspic3.htm
http://slugsite.us/bow/hanspic4.htm
http://slugsite.us/bow/hanspic5.htm
http://slugsite.us/bow/hanspic6.htm
http://slugsite.us/bow/hanspic7.htm
http://slugsite.us/bow/nudwk487.htm
http://www.inbio.ac.cr/papers/babosasmarinas/ingles/listadeesp.htm
http://www.medslugs.de/E/Pac-E/Favorinus_elenalexiae/Selection.htm
http://www.nudipixel.net/species/favorinus_elenalexiae/