Fig. 3

Abundance distribution on the shelf sediments of Eurysyllis tuberculata (a), Syllis mercedesae (b), Palposyllis prosostoma (c), Streptodonta pterochaeta (d), Sphaerosyllis bulbosa (e), Synmerosyllis lamelligera (f), Syllis garciai (g) and Parapionosyllis brevicirra (h)