Ortea & Moro 1999. [Study of the species of the genus Runcina Forbes & Hanley, 1853 (Opisthobranchia: Cephalaspidea) with red coloration (group "ferruginea") in Macaronesia, with description of three new species.] Revista de la Academia Canaria de Ciencias, 11(3-4) 1999: 63-74