Bradabyssa verrucosa Salazar-Vallejo 2017

Group “ verrucosa ” Key to species

1 Mid-body segments with dorsal tubercles of two markedly different sizes (heterotuberculate)......................... 2 - Mid-body segments with dorsal tubercles of similar size (homotuberculate)....................................... 7 2(1) Larger tubercles distinct, often densely covered with pigmented sediment grains; 3–4 transverse series of dorsal papillae per

segment; 25–53 chaetigers............................................. B. verrucosa (Chamberlin, 1919) n. comb. - Larger tubercles indistinct, sediment cover not markedly pigmented.............................................. 3 3(2) Median chaetigers with 9–10 transverse series of tubercles per segment........................................... 4 - Median chaetigers with 5–6 transverse series of tubercles...................................................... 5 - Median chaetigers with 4 transverse series of tubercles........................................................ 6 4(3) Body covered with thin layer of fine sediment particles; neurospines with rings well developed; 27–29 chaetigers..........

......................................................................................... B. elinae n. sp. - Body without sediment cover; neurospines with rings poorly developed; 53–59 chaetigers....... B. papillata Hartman, 1967 5(3) Neurochaetae tapered; integument dark..................................... B. irenaia (Chamberlin, 1919) n. comb.

- Neurochaetae medially cleft; integument pale................................. B. abyssalis (Fauchald, 1972) n. comb. 6(3) Median chaetigers with one series of larger dorsal tubercles per segment; gonopodial lobes black (body 10–101 mm, 27–35

chaetigers)............................................................. B. mammillata (Grube, 1877) n. comb. - Median chaetigers with two series of larger dorsal tubercles per segment; gonopodial lobes pale (body 3.3–48.0 mm, 20–27

chaetigers)................................................... B. tenebricosa (Berkeley, 1968) n. comb., n. status 7(1) Neurospines with short anchylose articulations.............................................................. 8 - Neurospines with medium-sized anchylose articulations; median chaetigers with 6–8 dorsal transverse series of papillae per

segment; 33–39 chaetigers (21–40 mm long)................................................ B. levensteinae n. sp. 8(7) Body with 19–26 chaetigers............................................................................. 9 - Body with 31–32 chaetigers (62–85 mm long); median chaetigers with dorsal papillae in 5–6 alternating series (gonopodial

lobes pale).................................................. B. ochotensis (Annenkova-Chlopina, 1922) n. comb. 9(8) Gonopodial lobes pale; neuropodia with 4–5 large, wide, basal papillae; median chaetigers with 4–5 transverse series of dorsal

papillae per segment (22–26 chaetigers; 11–38 mm long).................. B. annenkovae (Buzhinskaja, 2001) n. comb. - Gonopodial lobes dark; neuropodia with 6–8 small, delicate, basal papillae; median chaetigers with 5–6 transverse series of

dorsal papillae per segment (19–26 chaetigers; 12–58 mm long)................................... B. grangieri n. sp.