Ekelofia eltanin Lowry & Stoddart 2012, sp. nov.

• Main Authors: Lowry, J. K., Stoddart, H. E.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Pakynidae; Ekelofia; Ekelofia eltanin; Antarc*; Antarctica; aurora australis; Ross Sea; Southern Ocean
• Online Access: https://doi.org/10.5281/zenodo.5251196; http://treatment.plazi.org/id/456087D33637FF9BB8DF09BAFC5E4AE2

Ekelofia eltanin sp. nov. (Figs 11–13) Ekelofia eltanin De Broyer et al ., 2007: 157 ( nomen nudum ). Type material. HOLOTYPE, male, 6.4 mm, USNM 1157176, Ross Sea, Southern Ocean, 76°02.1'S 179°57.0'W to 76°02.3'S 179°52.1'W, 347–358 m, Menzies trawl, 9 February 1972, USARP Eltanin cruise 51, stn 5762. PARATYPE, female, 11.0 mm, MV J38223, Fram Bank, north-west of Cape Darnley, Antarctica, 67°31.72'S 69°02.13'E to 67°31.93'S 69°02.02'E, 105–114 m, epibenthic sled, 13 February 1993, M. O'Loughlin, RSV Aurora Australis , stn AA93-130. Diagnostic description. Head lateral cephalic lobe large, broadly rounded; ventral margin curved. Antenna 1 peduncular article 1 with posterodistal spine; accessory flagellum 2-articulate, article 1 short; flagellum without callynophore in female, with strong 1-field callynophore in male. Mandible lacinia mobilis a simple robust seta lamina dentata absent; accessory setal row absent; molar absent; palp attached distally; palp article 2 broad, as long as article 3; article 3 not distally tapered, with anterior margin convex. Maxilla 1 outer plate with 8 setal-teeth in 5/3 arrangement, setal-teeth smooth; palp absent. Maxilliped inner plate small 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 1.6 × breadth, with a 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, posteroventral corner broadly rounded. Uropod 3 biramous, inner ramus ...