Canthocamptus waldemarschneideri Novikov & Sharafutdinova 2022, sp. nov.

• Main Authors: Novikov, Aleksandr, Sharafutdinova, Dayana
• Format: Other/Unknown Material
• Language: unknown
• Published: 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Hexanauplia; Harpacticoida; Canthocamptidae; Canthocamptus; Canthocamptus waldemarschneideri; Krugloe; Haia; lena river
• Online Access: https://zenodo.org/record/6907752; https://doi.org/10.5281/zenodo.6907752

Canthocamptus waldemarschneideri sp. nov. urn:lsid:zoobank.org:act: 3977FD97-8727-4DEA-BFEF-96DCA66A6BE5 Figs 1–9; Table 2 Canthocamptus sp. 1 – Novikov et al. 2021: 268. Etymology The species is named after Mr Waldemar Schneider, who helped us during the eXpedition. Material examined Holotype RUSSIA • ♀ (on 2 slides); Lena River Delta, small channel near Mount America-Haia; 72.467560° N, 126.285025° E; depth 1–1.5 m; 21 Aug. 2019; A. Novikov leg.; KFU BP 544/1-a, BP 544/1-b. Allotype RUSSIA • ♂ (on 2 slides); same collection data as for holotype; KFU BP 544/2-a, BP 544/2-b. Paratypes RUSSIA • 1 ♂, 1 ♀ (undissected; microtube); same collection data as for holotype; KFU BP 544/4 • 1 ♀; Lena River Delta, Krugloe Lake; 72.468859° N, 126.265658° E; depth 1–1.5 m; 21 Aug. 2019; A. Novikov leg.; KFU. Other material RUSSIA • 1 ♂; Lena River Delta, Samoylov Island, Yuzshnoe Lake; 72.369653° N, 126.509606° E; depth 1–1.5 m; 4 Aug. 2019; A. Novikov leg.; KFU • 2 ♂♂, 1 ♀; Lena River Delta, Samoylov Island, Ruiba Lake; 72.373173° N, 126.486302° E; depth 1–1.5 m; 4 Aug. 2019; A. Novikov leg.; KFU. Description Female (based on holotype) BODY. Subcylindrical (as in Fig. 1A). Total body length from anterior margin of rostrum to posterior margin of caudal rami: 904 µm. CephalothoraX (Fig. 2A–B) with blue naupliar eye, wider than remaining somites, largest width 204 µm. Rostrum small, fused with cephalothoraX, with one pair of sensilla and one pore. Posterior margin of cephalothorax and all pedigerous somites slightly serrated. ABDOMEN (Fig. 3). Consisting of genital double-somite, two free abdominal somites and anal somite with caudal rami. All somites eXcept anal somite serrated on posterior margin, on surface with rows of small spinules. Genital double-somite wider than long; with seven pairs of sensilla, two pairs of lateral pores, paired ventral group of three pores, one unpaired ventral pore and two dorsal unpaired pores; on posterior margin with dorso-lateral row of spinules and small ventral row of spinules. P6 (Fig. 3B) ...