Schizocuma antipai, Petrescu, 2018

Petrescu, Iorgu, 2018, On the Family Nannastacidae (Crustacea, Cumacea) from the Australian Museum Collection, Records of the Australian Museum 70 (1), pp. 1-111 : 42

Schizocuma antipai sp. nov.

Fig. 47

Holotype ♀, 3.3 mm, P.90701, Tasman Sea, Lord Howe Rise , -27.98° 162.86°, 1250 m, epibenthic sled, coarse sediment with pumice, 6 May 1989, J.K. Lowry & party, RV Franklin, FR 0589-28, in AM . Paratypes: 1♀, 1 subadult ♂, P.90702.

Etymology. The species is dedicated to the memory of Dr Grigore Antipa (1867–1944), founder of hydrobiological studies in Romania, brilliant specialist in fishes, director of Romanian Fisheries, secretary of Romanian Academy, pupil of Ernst Haeckel, founder and director of the spectacular Museum of Natural History from Bucharest (1893–1944), main Romanian natural history museum, as an eternal gratitude and high respect for all his work and life devoted to his people and country, with the occasion of centennial anniversary of opening of this museum.

Diagnosis. Carapace 0.24 of entire length, 2 mid-dorsal spines; maxilliped 3 propodus 2nd longest article, 1.3 carpus length; pereopod 1 propodus 2nd longest article, 3.2 dactylus length; pereopod 2 dactylus 2.5 propodus length; uropodal peduncle 4.1 pleonite 6 length 1.8 endopod length; exopod as long as endopod; endopod with 3 simple setae medially.

Description. Carapace smooth, 0.24 of entire length, 1.6 as long as high, 2 mid-dorsal spines; upturned pseudorostrum, 0.5 carapace length; siphons as long as carapace length; serrate anterolateral margin; large antennal notch ( Fig. 48 A ). — Pleon longer than rest of body, slender segments. — Antenna 1 peduncle article 1 1.6 rest of article’s length, with 2 simple setae; article 2 with 1 simple seta; article 3 with 2 pedunculate setae; main flagellum 1.3 peduncle article 3 length; accessory flagellum, with 2 articles; aesthetascs 2.2 main flagellum length ( Fig. 47 B, C ). — Maxilliped 3 basis 0.6 rest of article’s length, with 1 plumose and 2 pappose setae; merus 2.2 ischium length, with 1 simple and 1 pappose seta; carpus 1.4 merus length, with 1 simple and 2 pappose setae; propodus, 1.3 carpus length, with 2 appaose setae; dactylus 0.5 propodus length, with 2 terminal microserate

Figures

Figure 47. Schizocuma antipai sp. nov. Holotype female (A) body, lateral view; (B) antenna 1; (C) antenna 1, detail; (D) maxilliped 3; (E) pereopod 1; (F) pereopod 2; (G) pereopod 3; (H) pereopod 4; (I) pereopod 5; (J) uropod. Scales: A 0.5 mm; B,D,I 0.3 mm; C 0.1 mm; J 0.3 mm.

Figure 48. Schizocuma bacescui sp. nov. Holotype male (A) body, lateral view; (B) body, dorsal view; (C) antenna 1; (D) antenna 1, detail; (E) maxilliped 3; (F) pereopod 1; (G) pereopod 2; (H) pereopod 3; (I) pereopod 4; (J) pereopod 5; (K) uropod. Scales: A 1 mm; B 1 mm; C, F–K 0.3 mm; D 0.1 mm; E 0.3 mm.