On the Family Nannastacidae (Crustacea, Cumacea) from the Australian Museum Collection Author Petrescu, Iorgu text Records of the Australian Museum 2018 2018-03-28 70 1 1 111 http://dx.doi.org/10.3853/j.2201-4349.70.2018.1645 journal article 10.3853/j.2201-4349.70.2018.1645 2201-4349 5236860 82A58B37-13FE-4EA8-AFF2-E954CDBEFD69 Campylaspis wardi Băcescu, 1992 Figs 37 , 38 Campylaspis wardi Băcescu, 1992: 316–318 . Stoddart & Lowry, 2003: 413. Material examined : 2♀♀ , P.63960; 1 subadult ♂ , P.63961; 2♀♀ , P.88219; 2♀♀ , P.88218; 1 subadult ♂ , P.64565; 1♀ , P.88220; 1♀ , P.65550; 1♀ , 1♂ , P.65551; 2♀♀ , P.65555; 1♀ , MGAB CUM 1666 ; 1♀ , P.65558; 4♀♀ , P.65560. Description of female . Body length 5–5.20 mm . —Carapace , 0.66 body length, 2 as long as high, 1.5 as long as wide, middorsal ridge, with numerous tubercles; lateral sulcus, other 2 parallel lateral ridges; short pseudorostrum 0.22 carapace length, massive anteroventral corner, smooth ventral margin ( Fig. 37 A, B ). — Maxilliped 2 with 1 pappose seta on medial margin, 1 simple one on outer margin, merus 1.1 ischium length, long pappose seta longer than dactylus, carpus twice merus length, 1 bunch of setulae on outer margin, 2 simple setae and 1 strong tooth on medial margin, propodus little longer than carpus, setulae on outer margin, strong robust seta little longer than dactylus, 1 median simple seta, dactylus fused with terminal strong short 3 setae ( Fig. 37 C ). — Maxilliped 3 , basis 0.84 length of remaining articles, serrate medial margin, 1 pappose seta on medial margin, 2 outer longer ones, merus 6 ischium length, twice as carpus length, toothed margins, 1 simple seta on medial margin, 1 pappose on outer margin, carpus 1.33 propodus length, toothed margins, 2 simple and 1 pappose seta on medial margin, 1 pappose seta on outer margin, propodus 1.5 dactylus length, 2 pappose setae on medial margin, dactylus with 2 long terminal simple setae; with fully developed exopod ( Fig. 37 D ). — Pereopod 1 basis 0.69 length of remaining articles, serrate and setulate medial margin, 1 plumose seta on medial margin, merus 2.8 ischium length, toothed medial margin of ischium to propodus, serrate outer margin of ischium to carpus, 1 simple seta on medial margin of ischium, 2 setulae on medial margin of merus, 1 simple one on outer margin, carpus little shorter than merus, 2 simple setae on medial margin, 2 pappose ones on outer margin, propodus 0.71 carpus length, 1 simple seta on medial margin, 3 pappose setae on outer margin, dactylus half propodus length, 4 short simple terminal setae; with fully developed exopod ( Fig. 37 E ). — Pereopod 2 with massive articles, basis 0.56 length of remaining articles, merus 6 ischium length, serrate margins, carpus 1.75 merus length, 4 setulae and large teeth on outer margin, 1 setule and 1 short pappose seta on outer margin, dactylus 3 propodus length, with large basis, strongly serrate margins, curved tip, strong short simple terminal seta; with developed exopod ( Fig. 37 F, G ). — Pereopod 3 basis 1.3 length of remaining articles, merus 1.5 ischium length, robust merus and carpus, carpus 1.33 merus length, 1 annulate seta on propodus, serrate medial margin of carpus and propodus, dactylus fused with short robust terminal seta ( Fig. 37 H ). — Pereopod 4 basis half length of pereopod, 1 simple seta on medial margin of ischium and merus, carpus 1.15 merus length, propodus 0.33 carpus length ( Fig. 8 I ). Pereopod 5, basis 0.92 rest of article’s length, merus as long as carpus ( Fig. 8 J ). — Uropod peduncle 1.25 pleonite 6 length, robust, strongly serrate on medial margin, 1.9 endopod length, exopod as long as endopod, robust, serrate margins, terminal short robust seta on both rami ( Fig. 37 K, L ). Table 3 . Morphological characters of Campylaspis vasilescui sp. nov. common with other species.
Species Crp with Crp with sulcus with Mxp 3 P 2 dactylus with Urp serrate Urp endopod
ornamentation transverse ridge large merus digitiform tip endopod medial setae
C. vasilescui — — + — + 3
C. johnstoni — — — — — 6
C. edenensis numerous dorsal + — + + 5
clear lenses
C. hangiuae — + + + + 3
C. oneai — + — — + 5
Description of adult male . Body length 2 mm . — Carapace 2.2 as long as high, 1.56 as long as wide, smooth integument, lateral sulcus 0.66 carapace total length, short pseudorostrum, eyelobe with 3 small lenses, smooth ventral margin ( Fig. 38 A, B ). — Antenna 1 peduncle article 1 0.5 rest of article’s length; article 2 1.25 article 3 length; main flagellum 1.1 article 3 length; accessory flagellum with 1 article; aesthetascs 1.75 main flagellum length ( Fig. 38 C ). — Maxilliped 3 basis 0.92 length of remaining articles, 2 short plumose setae on medial margin, other, much longer, on outer margin, merus 4 ischium length, 1 medial plumose seta on ischium, 1 plumose seta on outer margin of merus, carpus 0.66 merus length, 1 outer plumose seta, propodus 0.56 carpus length, 2 pappose setae on medial margin, dactylus 0.66 propodus length, 3 terminal setae little longer than dactylus; with fully developed exopod ( Fig. 38 D ). — Pereopod 1 basis 0.77 length of remaining articles, 3 plumose setae on medial margin, merus 2.5 ischium length, 1 plumose seta on medial margin of ischium, 2 simple seta on medial margin of merus, 1 simple and 2 plumose setae on outer margin, carpus little shorter than merus, 2 simple setae on medial margin, 1 plumose seta on outer margin, propodus 0.79 carpus length, 1 short pappose medial seta, 3 plumose outer ones, dactylus 0.53 propodus length, 5 short simple terminal and subterminal setae; fully developed exopod ( Fig. 38 E ). — Pereopod 2 basis 0.57 rest of article’s length; merus 8 ischium length; carpus 1.9 merus length, with 3 plumose and 2 simple setae; dactylus 3 propodus length, with 11 setae, constricted in terminal part; with exopod ( Fig. 38 F ). — Pereopod 3 basis 1.25 rest of article’s length, with1 plumose seta; merus 2.2 ischium length, 1 simple medial seta on ischium, 2 setulae on medial margin of merus, merus as long as carpus, 1 setule on outer margin, propodus half of carpus, very small dactylus with short robust terminal seta; with exopod ( Fig. 38 G ). — Pereopod 4 basis 1.46 length of remaining articles, merus 1.33 ischium length, 1 setule on medial margin, carpus 1.25 merus length, propodus half of carpus, 1 annulate medial seta on propodus, dactylus 0.4 propodus length; with exopods ( Fig. 38 H ). — Pereopod 5 basis 0.64 length of remaining articles, merus twice as ischium length, 1 setule on medial margin of ischium and merus, carpus little shorter than merus, propodus little shorter than carpus, 1 annulate seta and short dactylus fused with terminal robust seta ( Fig. 38 I ). — Uropod peduncle 1.46 last pleonite length, serrate margins, 4 simple and 12 microserrate setae on medial margin, 2.08 endopod length, exopod little shorter than endopod, short terminal robust seta with oval structures, 1 plumose seta on medial margin, endopod with 10 microserrate setae on medial margin, short robust terminal seta with same characteristic oval structures ( Fig. 38 J ). Remarks . The species, previously known from North West Shelf ( Băcescu, 1992 ), is collected now from the same area, from 42 m depth. Distribution . Australia : WA—North West Shelf, at 1.5–54 m depth.