FIGURE 12 in Scyphoproctus Gravier, 1904 (Annelida, Capitellidae): description of three new species and relocation of Heteromastides Augener, 1914 in Scyphoproctus

FIGURE 12. Scyphoproctus robustus sp. nov. (A) Thoracic region, lateral view; (B) methyl green staining pattern; (C) Anterior end, lateral view; (D) lateral organs; Anal plaque, frontal view; (E) Abdominal region; dorsal view; (F) Abdominal region; ventral view; (G) Neuropodial hooded hooks, lateral view; (H) Anal plaque, frontal view; (I) Anal plaque, lateral view. A: abdomen. Scale bars: A, B, E, 0.2 mm; F, 0.5 mm; C, D, H, I, 0.1 mm; G, 10 µm.