FIGURE 5. Anthopleura sola. A–B in Intertidal sea anemones (Cnidaria: Actiniaria) from the west coast of the Peninsula of Baja California, Mexico

FIGURE 5. Anthopleura sola. A–B) oral disc and tentacles with different coloration. C) detail of acrorhagi. D) column with verrucae and pedal disc. E) cross section of column showing the retractor and parietobasilar muscles. F) longitudinal section of the distal column showing marginal sphincter muscle. G) longitudinal section of tentacle showing ectodermal muscles. (H–U) Cnidae. tentacles: (H) basitrich, (I) spirocyst; acrorhagi: (J) holotrich I, (K) holotrich II, (L) spirocyst; actinopharynx: (M) basitrich; (N) p-mastigophore A; column: (O) basitrich I, (P) basitrich II, (Q) holotrich; filaments: (R) basitrich I, (S) basitrich II, (T) p-mastigophore A, (U) b-mastigophore. Abbreviations. acr: acrorhagi, lm: longitudinal muscles, od: oral disc, pbm: parietobasilar muscles, pd: pedal disc, rm: retractor muscles, sp: sphincter, t: tentacles, vr: verruca, z: zooxanthellae. Scale bars: A–D: 20 mm; E–F: 150 µm, G: 200 µm; H–U: 25 µm.