FIG. 5. Hippoporidra dictyota n in Convergent colonial organization and reproductive function in two bryozoan species epizoic on gastropod shells

FIG. 5. Hippoporidra dictyota n. sp. (A) Reconstruction of a mammilla in vertical section, showing three male zooids, surrounded by non-mammilla autozooids; arrows indicate presumed directions and magnitude of ¯ow (see text). (B) Lophophore of nonmammilla autozooid in ventral (left) and side (right) views. (C) Lophophore of male zooid in ventral (left) and side (right) views. V, ventral, D, dorsal.