McCarthy J.B., Krug P.J. & Valdés Á. (2019). Integrative systematics of Placida cremoniana (Trinchese, 1892) (Gastropoda, Heterobranchia, Sacoglossa) reveals multiple pseudocryptic species. Marine Biodiversity. 49(1): 357-371. https://doi.org/10.1007/s12526-017-0812-2 に掲載されているウミウシ 4