Taxonomical remarks
1. Zevina (1978b) designated Scalpellum japonicum Hoek, 1883 as the type species of Annadaleum, but Newman & Ross (1971) had already designated S. subflavum as type. Their designation takes priority. However, some later authors such as Young (2007) have followed Zevina's designation.
2. Annandaleum japonicum on the Taiwan Barnacles