Wägele, H., K. Stemmer, I. Burghardt, and K. Händeler. “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, vol. 2676, no. 1, Nov. 2010, pp. 1–28, doi:10.11646/zootaxa.2676.1.1.