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Records of the Australian Museum (2014) Vol. 66 
Figure 26. Acutiramus iwasakii sp. nov. Female: (A) adult; (C) P4 endopod; (D) rostrum (ventral); (E) left caudal ramus; (F) genital 
double-somite; (G) P5 ventral. Male: (B) adult; (H) anterior cephalosome (ventral showing rostrum). Scale bar: A, B = 0.36 mm. D = 
0.12 mm. E - 0.07 mm. F, G, H = 0.16 mm. 
Description. Adult females (Fig. 26A): colourless, 
transparent. Anterior of cephalosome semicircular, no bulge 
above rostrum. Rostrum prominent, with characteristic 
undulating anterior border (Fig. 26D). Dorsal pits small (3-4 
pm), hyaline border 8 pm, dorsal surface without hair-like 
sensilla. Genital double-somite narrow, pointed posteriorly 
with a distinct cleft separating anterior and posterior lobes, 
border setules present, arch encloses about 'A of caudal ramus 
