Figure 4. Characters 21–33. Pereopod 5 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters

Figure 4. Characters 21–33. Pereopod 5 carpus without denticles or robust setae on posteroventral margin (21.1); with denticles on posteroventral margin (21.2); with denticles and short robust setae on posteroventral margin (21.3). Pereopod 5 distal part (at least the propodus and dactylus) directed anteriorly (22.1); distal part directed posteriorly (22.2). Pereopod 6 distal part (at least the propodus and dactylus) directed anteriorly (23.1); distal part directed posteriorly (23.2). Pereopod 7 distal part (at least the propodus and dactylus) directed anteriorly (24.1); distal part directed posteriorly (24.2). Pleosomite without lateral ridges (25.1); with lateral ridges (25.2). Pleopods peduncle slender, not expanded (26.1); broad, expanded (26.2). Pleopod 2 inner ramus present, as long as outer ramus (27.1); reduced or absent (27.2). Urosomite 1 without dorsal spines (28.1); with dorsal spines (28.2). Uropod 1 peduncle with interamal process (29.1); with distoventral corona (29.2); without distoventral corona or process (29.3). Uropod 1 outer margin of outer ramus smooth (30.1); dentate (30.2). Uropod 2 biramous (31.1); uniramous (31.2); rami absent (31.3). Uropod 2, outer margin of rami smooth and with robust setae (32.1); dentate and without robust setae (32.2). Uropod 3, tip of outer ramus without spines (33.1); with spines (33.2); with plate bearing spines (33.3). Species: (27.1, 33.1) Gammaropsis sp.; (22.1, 23.1, 24.1, 25.1, 29.1, 30.2) Bonnierella laurensi sp. nov.; (21.2, 25.2, 26.1, 27.2, 30.1, 31.2, 32.2) Notopoma teresae sp. nov.; (21.3, 22.2, 23.2, 24.2, 26.2, 29.3, 31.3) Caribboecetes barbadensis Just, 1983 (redrawn from Just, 1984); (29.2, 31.1, 32.2, 33.2) Pseudericthonius bousfieldi sp. nov.; (21.1) Bonnierella campensis sp. nov.; (28.1) Myersius spinicaudatus gen. et sp. nov.; (33.3) Pseudischyrocerus caecus sp. nov.; (28.2) Bathyphotis tridentata.