Figure 11 in Living together in dead coral rocks: macrosymbiotic communities associated with Bonellia echiuran worms (Annelida: Thalassematidae: Bonelliinae), involving new commensal bivalve and amphipod species

Figure 11. Basterotia bonelliphila (holotype NSMT-Mo 79470). A, B, Dorsal and ventral views. Anterior is right. C, D, External view of right and left valves. E, F, Internal view of right and left valves. The tip of the foot was removed for DNA analysis. G, H, Hinge structure of left and right valves. Abbreviations: aa, anterior adductor muscle; ac, anterior cardinal tooth; apa, anterior-venral pedal aperture; d, demibranches; dg, digestive gland; exl, external ligament; f, foot; lp, labial palps; pa, posterior adductor muscle; p2, prodissoconch II; s, exhalant and inhalant siphons. Scale bars = 1 mm (A–F), 100 µm (G, H).