Figure 3 in Carcinoecium-Forming Sea Anemone Stylobates calcifer sp. nov. (Cnidaria, Actiniaria, Actiniidae) from the Japanese Deep-Sea Floor: A Taxonomical Description with Its Ecological Observations

Figure 3. Internal anatomy of Stylobates calcifer sp. nov. (holotype: NSMT-Co 1794; paratype: NSMT-Co 1796). (A) The longitudinal section of the marginal sphincter muscle of the holotype (NSMT-Co 1794). (B) The longitudinal section of the marginal sphincter muscle of the paratype (NSMT-Co 1796). (C) The transverse section of a mesenterial filament of the holotype (NSMT-Co 1794). (D) The transverse section of the tentacle (i) and longitudinal section of a tentacle tip (ii) of the holotype (NSMT-Co 1794). The transverse section of a column with a well-developed siphonoglyph (E) and one with diffuse longitudinal muscles on the fifth mesenteries (F) of the holotype (NSMT-Co 1794). a, actinopharynx; mf, mesenterial filament; mt, matured testis cyst; rm, retractor muscle; s, siphonoglyph; sm, sphincter muscle; tcm, tentacular circular muscle; tlm, tentacular longitudinal muscle.