Fig. 10.
Summary of reconstructed transitions for marginal musculature form in the Zoanthidea. The marginal muscle forms are reticulate mesogleal (a), branchiform endodermal (b), spindly-cteniform endodermal (c), cteniform endodermal (d), cyclically transitional (e), meso-endo transitional (f), linear mesogleal (g), orthogonally-reticulate mesogleal (h), discontiguous endodermal (i), discontiguous mesogleal (j)