Namanereis cavernicola (Solís-Weiss & Espinasa, 1991). A–H Paratype USNM 136559 A Anterior end, dorsal view B Close-up of prostomium C Posterior end, dorsal view D Supra-acicular falciger, chaetiger 62 E Sub-acicular falciger, chaetiger 62 F Chaetiger 5, right parapodium G Chaetiger 20, right parapodium H Chaetiger 62, right parapodium. Scale bars: 1 mm (A); 0.2 mm (B, F–H); 0.5 mm (C); 10 µm (D, E).