FIGURE 1 in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California

FIGURE 1. Levinsenia gracilis (Tauber, 1879), adult, California specimen: (A) prostomium with palpode, nuchal organs, dorsal view; (B) anterior body with branchiae, lateral view; (C) transverse ciliary bands between branchiae, dorsal view; (D) notopodial glandular pores, acicular neurochaetae with fibrils, lateral view. Abbreviations: ci, cilia; no, nuchal organ; pl, post-chaetal lobe; so, palpode sensory organ; sp, sensory pores. Scale bars: A, 50 µm; B, 300 µm; C, 100 µm; D, 15 µm.