Grzymbowski, Stemmer & Waegele 2007. On a new Ercolania Trinchese, 1872 (Opisthobranchia, Sacoglossa, Limapontiidae) living within Boergesenia Feldmann, 1950 (Cladophorales), with notes on anatomy, histology and biology. Zootaxa, 1577, 7 September 2007: 3-16