Campylaspis latidactyla Hale, 1945

Petrescu, Iorgu, 2018, On the Family Nannastacidae (Crustacea, Cumacea) from the Australian Museum Collection, Records of the Australian Museum 70 (1), pp. 1-111 : 19

Campylaspis latidactyla Hale, 1945

Fig. 19

Campylaspis latidactyla Hale, 1945: 194 , figs 33, 34.— Stoddart & Lowry, 2003: 412.

Material examined: 1♂, P.88239; 1♀, P.65620; 1♀, P.65045; 1♀, P.65046.

Remarks. Hale described this species based only on nonovigerous female. Our females are similar with original description.

Description of male. Body length 12.2 mm. —Carapace 0.45 body length, 1.6 as long as wide; sulcus 0.72 carapace length; ocular lobe with 3 lenses; pseudorostrum 0.3 carapace length ( Fig. 19 A, B ). — Maxilliped 3 basis 0.47 article’s length, 2 pappose and 2 simple setae; merus 4.9 ischium length, with 1 pappose; carpus 0.38 merus length; propodus 0.85 carpus length; merus to propodus with serrated medial margins; dactylus 0.6 propodus length, with 3 simple setae; with exopod ( Fig. 19 C ). — Pereopod 1 basis 0.9 rest of article’s length, with 1 simple and 2 pappose setae; merus 0.86 carpus length; propodus 0.7 carpus length, with 2 simple setae and 2 pappose setae; dactylus 0.4 propodus length; with exopod ( Fig. 19 D ). — Pereopod 2 basis 0.72 rest of article’s length; carpus 1.6 merus length, with 1 plumose seta; dactylus 3.25 propodus length; with exopod ( Fig. 19 E, F ). — Pereopods 3–5 with decreasing basis and increasing carpus length (pereopod 5 carpus as long as in pereopods 3 and 4); dactylus fused with terminal simple seta; pereopods 3 and 4 with exopods ( Fig. 19 G, H ). — Uropod peduncle 2.18 pleonite 6 length, 2.18 endopod length, with 3 simple and 6 microserrate setae; exopod 0.86 endopod length, with 1 simple and 1 microserrate seta, 1 terminal microserrate seta; endopod with 6 simple and 2 microserrate and 1 terminal robust microserrate seta ( Fig. 19 J ).

Remarks. Campylaspis latidactyla male has maxilliped 3 merus 4.9 ischium length, longer than in female; uropod peduncle 2.18 pleonite 6 length vs. 2.66 in female of Hale.

Distribution. Australia: QLD—Moreton Bay, and NSW ( Hale, 1945; Petrescu, 2006); at 0– 200 m. The species is now recorded from the Arafura Sea (NT)— Oxley Island, at 5–30 m depth ( Petrescu, 2018).

Figures

Figure 19. Campylaspis latidactyla Hale, 1945 Male (A) lateral view; (B) carapace, dorsal view; (C) maxilliped 3; (D) pereopod 1; (E) pereopod 2; (F) pereopod 2 dactylus, detail; (G) pereopod 3; (H) pereopod 4; (I) pereopod 5; (J) uropod. Scales: A,B 0.5 mm; C–E,G–I 0.2 mm; F, 0.1 mm; J 0.25 mm.