FIGURE 9 in Zevinaella — a new barnacle genus (Scalpellomorpha: Arcoscalpellinae) associated with crinoids (Echinodermata) from the Caribbean

FIGURE 9. Changing of capitular armament in scalpellomorph species from Calantica spinosa to Zevinaella sp. a—Calantica spinosa (from Foster, 1978): i—form with spicular lateral plates, ii - with triangular lateral plates; b—Calantica studeri (from Foster, 1978); c—Calantica siemensi (from Young (2003), modified); d—Trianguloscalpellum balanoides (Hoek, 1883); e— Trianguloscalpellum pentacrinarum, L2 reduced; f—Zevinaella sp., L2 lost.