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 Author Wägele, Heike Author Stemmer, Kristina Author Burghardt, Ingo Author Händeler, Katharina text Zootaxa 2010 2676 1 28 journal article 10.5281/zenodo.199203 2469188b-2d78-4c11-81a4-56bad59f04bb 1175-5326 199203 Ercolania Trinchese, 1872 Type species: Ercolania siotii Trinchese, 1872 , by subsequent designation ( Iredale & O’Donoghue 1923 ). Diagnosis. According to Baba and Hamatani (1970) , Schmekel and Portmann (1982) and Jensen (1985 , 1993 ), the genus Ercolania is characterized by the following features: Presence of cerata, which are fusiform or inflated; digitiform rhinophores, which are circular or slightly flattened in cross-section; elongate or inconspicuous reno-pericardial prominence; presence of sabot-shaped teeth; presence of a curved penial stylet; probably absence of albumen gland in the cerata.