FIGURE 20 in Bitentaculate Cirratulidae (Annelida: Polychaeta) from the northwestern Pacific Islands with description of nine new species

FIGURE 20. SEM of Tharyx tumulosa sp. nov. A, anterior and mid-body segments showing slightly inflated thoracic region and moniliform abdominal segments; B, back view of a thoracic capillary chaeta; C, anterior end, lateral view; D, posterior end with pygidium; E, knob-shaped hooks from very posterior chaetigers; F, detail of the knob-shaped hook showing the denticulate edge and sub-equals blunt distal teeth.