Wägele, H.; Stemmer, K.; Burghardt, I.; Händeler, K. Two New Sacoglossan Sea Slug Species (Opisthobranchia, Gastropoda): Ercolania Annelyleorum sp. Nov. (Limapontioidea) and Elysia Asbecki sp. Nov. (Plakobranchoidea), With Notes on Anatomy, Histology and Biology. Zootaxa 2010, 2676, 1–28.