Flabellina alternata Ortea & Espinosa 1998

Ortea & Espinosa 1998. Nine species of the genus Flabellina Voight, 1834 (Mollusca: Nudibranchia) found in Angola, Cape Verd, Costa Rica, Cuba, and Portugal are studied with the description of three new species. Avicennia, 8-9 1998: 135-148