Notomastus bermejoi, a new species of Capitellidae (Annelida, Polychaeta) from the Gulf of California, with morphological remarks on species with hooks in thoracic chaetigers

Notomastus bermejoi sp. nov., paratype (CNAP-POP-17-008) A thoracic region, lateral view B prostomium, frontal view C prostomium and chaetigers 1–4, lateral view D chaetigers 8–12, lateral view E hooded hook chaetiger 11 F chaetigers 11–14, lateral view G neuropodia 10–11 H abdominal chaetigers (18–21) I abdominal hooded hooks J neuropodia 11, hooded hooks. Abbreviations: Alo = abdominal lateral organs; Gp = genital pores; Pa = palpode; Tlo = thoracic lateral organs. Scale bars: 500 μm (A); 100 μm (B, G); 200 μm (C, D, F, H); 2 μm (E); 5 μm (I); 20 μm (J).