Figure 4 in New family and genus Rostrocalanus gen. nov. (Crustacea: Calanoida: Rostrocalanidae fam. nov.) from deep Atlantic waters

Figure 4. Rostrocalanus cognatus sp. nov. Female. (A) Habitus, lateral; (B) habitus, dorsal; (C) cephalosome, lateral; (D) rostrum, ventral; (E) posterior prosome and urosome, right lateral, with spermatophore; (F) posterior prosome and urosome, left lateral, with spermatophore; (G) urosome, dorsal; (H) posterior prosome, genital double somite and urosome segment 2, dorsal; (J) genital double somite, ventral; (K–N) posterior prosome and genital double somite, lateral. (D–F, J) Holotype, (A–C, H, K–N) paratype. Scale bars: 0.1 mm.