FIGURE 11 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus

FIGURE 11. Polyophthalmus zhadanae sp. nov. Micro-CT images of a specimen from Abu Ali (paratype SMF30263). (A) 3D sagittal section; (B–E) 3D frontal sections of (A) at several levels. Abbreviations: adbv—antero-dorsal blood vessel/s; bc—body cavity; br—brain; brn—brain nerves; dbv—dorsal blood vessel; dlml—dorsal longitudinal muscle layer; norm—nuchal organ retractor muscle; nuo—nuchal organ; obm—oblique muscles; oes—oesophagus; ppabv—prostomial papilla blood vessel; pr— prostomium; prb—proboscis; prm—proboscis retractor muscle/s; prpr—proboscis posterior region; vlml—ventral longitudinal muscle layer.