Campylaspis keablei Petrescu 2018, sp. nov.

Campylaspis keablei sp. nov.

Fig. 18

Holotype subadult ♂, 4.47 mm, P.88265, Australia, NSW, east of Broken Bay, -33.52° 152.13°, 914 m, 2.5 m sled dredge, 10 Dec 1980, R. T. Springthorpe, FRV Kapala, K80-20-08, in AM.

Etymology. The species is dedicated to Dr Stephen Keable, specialist in Isopoda and Collection Manager of Marine Invertebrates at the Australian Museum, as a sign of deep gratitude for help he kindly offered to me in study of this important collection of Cumacea in Sydney and in Bucharest.

Diagnosis. Carapace, 0.53 body length, long lateral sulcus; uropodal peduncle 2.05 pleonite 6 length, longitudinal crest, 2.33 endopod length; exopod 0.9 endopod length.

Description. Carapace, 0.53 entire body length, 1.63 as long as high, 1.5 as long as wide; sulcus almost as long as lateral side of carapace; small eyelobe without lenses; pseudorostrum 0.19 carapace length; anterior margin with short serration on anteroventral corner, rest of ventral margin, smooth (Fig. 18 A, B). — Antenna 1 peduncle article 1 0.8 rest of article’s length; main flagellum 1.37 article 3 length; accessory flagellum with 1 article; aesthetascs 2 main flagellum length (Fig. 18 C). — Maxilliped 3, basis 1.33 rest of article’s length, 2 simple, 1 pappose and 2 plumose setae; merus 2.4 ischium length, with tooth medially, with 1 pappose and 2 simple setae; carpus 0.8 merus length, with 2 pappose setae; propodus 1.1 carpus length, with 4 pappose setae; dactylus 0.5 propodus length, with 3 simple setae; with exopod (Fig. 18 D). — Pereopod 1, basis 1.12 rest of article’s length, 1 simple and 3 plumose setae; merus 2.8 ischium length, with 1 plumose and 5 simple setae; carpus 1.1 merus length, with 1 plumose, 2 pappose and 4 simple setae, serrate margins; propodus 0.8 carpus length, with 2 simple and 3 pappose setae; dactylus 0.6 propodus length, with 7 simple setae; with exopod (Fig. 18 E). — Pereopod 2, basis 0.4 rest of article’s length, 1 simple seta; merus 4.5 ischium length, with 2 pappose setae; carpus 2 merus length, with 2 simple, 3 plumose setae and 3 teeth; dactylus 6.33 propodus length, with 4 simple and 5 plumose; with exopod (Fig. 18 F). — Pereopod 3, basis as long as rest of article’s length, with 1 simple seta; merus 1.7 ischium length, with 1 plumose seta; carpus 1.6 merus length, 1 annulate seta; propodus 0.4 carpus length, with 1 annulate seta; dactylus 0.3 propodus length, fused with terminal seta; with exopod (Fig. 18 G). — Pereopod 4 basis 1.3 rest of article’s length, with 2 simple setae; ischium with 1 plumose seta; merus 1.4 ischium length, with 1 simple seta; carpus 1.8 merus length, 1 annulate seta; propodus 0.38 carpus length, 1 annulate seta; dactylus 0.6 propodus length, fused with terminal robust seta; with exopod (Fig. 18 H). — Pereopod 5 basis 0.7 rest of article’s length, with 1 simple seta; ischium with 1 simple seta; merus 1.5 ischium length, with 1 simple seta; carpus 2.3 merus length, with 1 simple seta; propodus 0.4 carpus length, 1 annulate seta; dactylus 0.3 propodus length, fused with terminal robust seta (Fig. 18 I). — Uropod peduncle 2.05 pleonite 6 length, serrate margins, 1 longitudinal crest, 2.3 endopod length; exopod 0.9 endopod length, serrate margins, longitudinal crest, tip of exopod, broken; endopod with 6 microserrate and 1 terminal robust seta, broken (Fig. 18 J).

Remarks. Campylaspis keablei sp. nov. has some characters common with some Indo-Pacific species, C. akabensis Bacescu & Muradian, 1975, C. amblyoda Gamô, 1960, C. calmani sp. nov., C. edenensis Petrescu, 2006, C. hangiuae sp. nov., C. lowryi sp. nov., C. oneai sp. nov., C. popai sp. nov., C. pumila Gamô, 1960, Petrescu, 1995, C. spinifera Petrescu, 2006, C. stanae sp. nov., C. thompsoni Hale, 1945, C. totzkei Mülenhardt-Siegel, 2000, C. vasilescui sp. nov. (Table 1).

Distribution. Australia: NSW—east of Broken Bay, at 914 m depth.