PART 2: KEYS TO SIPHONOECETINI

Subtribes

1. Coxal plates 3 and 4 fringed with simple setae along entire margin.............................................. 2

- Coxal plates 3 and 4 fringed with squamous setae set in marginal indentations......................... Caribboecetina

2. Antenna 2 flagellum article 1 without robust setae, article 2 with 1 robust seta; gnathopod 2 propodus oval to somewhat rectan- gular; uropod 2 with 2 rami..................................................................Siphonoecetina

- Antenna 2 flagellum article 1 with several robust setae, article 2 with 2 or more robust seta; gnathopod 2 propodus grasping edge concave (occasionally nearly oval); uropod 2 with single ramus or uropod 2 absent................ Bubocorophiina