Renella lowryi Labay 2023, sp. nov.

• Published in: Environmental Research Letters
• Main Author: Labay, Vjacheslav S.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Pakynidae; Renella; Renella lowryi; Kamchatka; Kamchatka Peninsula; okhotsk sea
• Online Access: https://doi.org/10.5281/zenodo.8247177; http://treatment.plazi.org/id/90590815FD75C50368D8FD0EFC07D971

Renella lowryi sp. nov. Figures 1–6 Type material. Holotype female, 4.85 mm, X-54594/Cr-2453, slope of western Kamchatka Peninsula, Sea of Okhotsk, Far East of Russia (58º0334’N 154º5505’E, 396 m), silt, N.V. Shalaputin, 31 July 2020. Paratype: female, 4.6 mm, X-54596/Cr-2454, slope of western Kamchatka Peninsula, Sea of Okhotsk, Far East of Russia (57º7996’N 154º3312’E, 457 m), silt, N.V. Shalaputin, 31 July 2020. Paratype: female, 4.2 mm, X-54597/Cr-2455, slope of western Kamchatka Peninsula, Sea of Okhotsk, Far East of Russia (55º577’N 154º4402’E, 202 m), silt, N.V. Shalaputin, 06 August 2020. Type locality. The western slope of Kamchatka Peninsula, Okhotsk Sea, Far East of Russia (200–460 m). Etymology. Named in memory of famous Australian carcinologist James K. Lowry, who is the largest specialist in the taxonomy of Amphipoda in total, and of the family Pakynidae in particular. Diagnosis. Body shape slender. Small dorsal spine present on pereonite 5. Eyes are absent. Head lateral cephalic lobe large, rectangular.Antenna 1, peduncular articles 1–3 short, compressed, peduncular article 1 with posterodistal spine; accessory flagellum article 1 short; peduncular article 3 and flagellum with callynophore in female. Mandible with accessory setal row on the plinth, present on both sides; left lamina dentata is absent; palp attached distally; palp article 2 broad, article 3 with anterior margin convex, not tapered distally. Maxilla 1, outer plate, an apical row of 6 setalteeth (ST1–ST6) with medial cusps, STA–STD present; palp vestigial, 2-articulate. Maxilliped inner plate small; outer plate large, reached or extended the distal end of palp article 4; palp 4-articulate, article 4 large, with nail. Gnathopod 1 with chela, ischium smaller than propodus; carpus extremely compressed, hidden by propodus, posterior margin of propodus well developed, palm with produced corner (thumb), corner of palm with complex of robust seta, terminal robust seta differs from the rest, similar to a multi-cusp tooth. Gnathopod 2 ...