FIGURE 8. Marphysa orientalis holotype USNM 20144 in Two new species of Marphysa Quatrefages, 1865 (Polychaeta: Eunicida: Eunicidae) from northern coast of China and redescription for Marphysa orientalis Treadwell, 1936

FIGURE 8. Marphysa orientalis holotype USNM 20144 (light microscopy images) A. Pygidium. B. Compound falcigers, parapodium 130. C. Bidentate subacicular hook from posterior parapodium, arrow pointing to hook. D. Two types of pectinate chaetae with 14 or 18 teeth from parapodium 193. E. Thick asymmetrical anodont pectinate chaetae with coarse teeth from parapodium 256, indicated by arrows. F. Thin asymmetrical isodont pectinate chaetae with numerous teeth, from parapodium 256. Scale bars: A= 0.5 mm; B- F = 0.1 mm.