FIG. 1 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)

FIG. 1. Diagrammatic representation of arrangements of anterior attachment organs (aa) in Benedenia species. (A) Most common arrangement with two discrete organs, either elliptical (as shown) or circular (see B), one on either side of the head. (B)`Hooded' type where body margin extends to anterior edge of anterior attachment organs. (C)`Bipartite' type with posterior, more muscular region and anterior glandular region. b, body; ga, glandular anterior region; mr, muscular posterior region.