Bubocorophiina

Just, Jean, 2017, A fresh look at the higher classification of the Siphonoecetini Just, 1983 (Crustacea, Amphipoda, Ischyroceridae) 12: with a key to all taxa, Zootaxa 4320 (2), pp. 321-338 : 333

Bubocorophiina

1. Uropod 2 with 2 rami............................................................ Orientoecetes Just, 1983 D

- Uropod 2 with 1 ramus................................................................................ 2

- Uropod 2 absent..................................................................................... 6

2. Rostrum present..................................................................................... 3

- Rostrum absent; pseudorostrum present arising from frons ( Fig. 4 C )...................... Cephaloecetes Just, 2012a H

3. Maxilla 1 palp with 2 articles............................................................................ 4

- Maxilla 1 palp with single article.................................... Borneoecetes wongi Barnard & Thomas, 1984

4. Rostrum flush with dorsal surface of head....................................... Bubocorophium Karaman, 1981 E

- Dorsal surface of head depressed in rostral area............................................................. 5

5. Uropod 3 ramus spherical........................................................... Rhinoecetes Just, 1983 F

- Uropod 3 ramus conical........................................................ Neoecetes conipes Just, 2012a

6. Rostrum present...................................................................................... 7

- Rostrum absent; pseudorostrum present, arising from frons ( Fig. 4 B )................ Tropicoecetes carinata Just, 2012b

7. Uropod 3 with small, round ramus................................................ Sinoecetes sinensis Ren, 2012

- Uropod 3 without ramus ( Fig. 3 C3 )................................................ Belkginoecetes Just, 2012b G

Figures

FIGURE 3. A, coxal plate 2 (and 3); B, distal parts of pereopod 5 (and 6); C 1, Siphonoecetina urosome, C 2 and C 3, Bubocorophina urosomes, C 4, Caribboecetina urosome; D, sternal papillae on pereonite 7. E, antenna 2 flagellum, 1 – 3 articles 1 – 3; F, uropod 1, vv ventral view, lv lateral view, (refers to keys below).

FIGURE 4. A, lateral and dorsal views of heads of Rhinoecetes spp.; B, lateral view of head with pseudorostrum; C, complexly lobate lower lip; D, simple lower lip; E, pereopod 7; F, rami of uropod 1 of Rhinoecetes spp., G, uropod 3 with rounded ramus; H, natatory antenna 2 of Australoecetes sellicki.