Aplysiida types. A–D. Syntype of Aplysia willcoxi (=A. fasciata). A. Whole specimen, L = ca 114 mm, ANSP A2262, in dorsal view. B. Same in right lateral view. C. Shell in ventral view, L = 50 mm. D. Same, in dorsal view.

 
 
  Part of: Cunha CM, Rosenberg G (2019) Type specimens of Aplysiida (Gastropoda, Heterobranchia) in the Academy of Natural Sciences of Philadelphia, with taxonomic remarks. Zoosystematics and Evolution 95(2): 361-372. https://doi.org/10.3897/zse.95.33707