Ekelofia oculata (Schellenberg, 1931)

Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, Zootaxa 3246 (1), pp. 1-69 : 20-21

Ekelofia oculata (Schellenberg, 1931)

Pachychelium oculatum Schellenberg, 1931: 20 , fig. 9.

Ekelofia oculata . ― Lowry, 1984: 97, figs 37, 38. ― Barnard & Karaman, 1991: 483. ― De Broyer & Jazdzewski, 1993: 67. ― De Broyer et al., 2007: 157.

Diagnostic description. [Head shape not known.] Antenna 1 peduncular article 1 with posterodistal spine; accessory flagellum 2-articulate, article 1 short; flagellum with weak 1-field callynophore in specimen of unknown sex. Mandible lacinia mobilis absent; lamina dentata absent; accessory setal row present, not on raised setose ridge; molar absent; palp article 2 broad, as long as article 3; article 3 not distally tapered, with anterior margin convex. Maxilla 1 outer plate with 6 setal-teeth in 4/2 arrangement, setal-teeth smooth; palp absent. Maxilliped inner plate absent; outer plate large; palp 4-articulate, article 4 large. Gnathopod 1 chelate; ischium smaller than propodus, not swollen posteroproximally; carpus extremely compressed; propodus length about 1.7 × breadth, without vertical row of setae on medial face, posterior margin well developed, palm with produced corner, corner of palm with simple robust seta; dactylus reaching to corner of palm. Gnathopod 2 palm minute, obtuse. Pereonite 4 without dorsal spines. Pereonite 5 without dorsal spines. Pereopod 5 merus with posteroproximal shoulder. Pereopod 6 basis with posteroventral lobe produced beyond ischium; merus as broad as long, with posteroproximal shoulder. Pereopod 7 basis subrectangular with posterior margin weakly dentate. Epimeron 3 posterior margin without projections. Uropod 3 biramous, inner ramus extending beyond article 1 of outer ramus. Telson shorter than broad, entire.

Distribution. South Georgia, Southern Ocean; 24–52 m depth.