Phallusia mammillata Ascidiidae
Locality: Madeira island
Literature for identification (localities mentioned): Wirtz & Debelius, 2003; p. 284 (SW-Britain and Ireland to Madeira). Millar, 1970; p. 52 (S Britain and Mediterranean)
Phallusia mammillata from Ulster Museum webpage
white, transparent, red, solitair, East Atlantic, solitary