Valdés Á. (2002). "How many species of Hexabranchus (Opisthobranchia : Dorididae) are there?". Molluscan Research22(3): 289-301. doi:10.1071/MR02012, PDF (页面存档备份,存于互联网档案馆).
doi.org
Valdés Á. (2002). "How many species of Hexabranchus (Opisthobranchia : Dorididae) are there?". Molluscan Research22(3): 289-301. doi:10.1071/MR02012, PDF (页面存档备份,存于互联网档案馆).
Valdés Á. (2002). "How many species of Hexabranchus (Opisthobranchia : Dorididae) are there?". Molluscan Research22(3): 289-301. doi:10.1071/MR02012, PDF (页面存档备份,存于互联网档案馆).