Metopa boeckii Sars 1892

• Main Author: Tandberg, Anne Helene S.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2010
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Stenothoidae; Metopa; Metopa boeckii; Helgeland; Seta
• Online Access: https://doi.org/10.5281/zenodo.10537529; http://treatment.plazi.org/id/931B5117FB0D6676FF26ADE2FC7DBCD4

Metopa boeckii Sars, 1892 Metopa boeckii Sars 1892: 252–54, fig. 88 Metopa bruzelii —Boeck 1871, non Metopa bruzelii (Goës, 1866): 522 Metopa borealis — Sars 1885 (part) Metopa boeckii — Stephensen 1926: 68, Stephensen 1928: 164, pl. 30:13–15, Stephensen 1931: 186; Stephensen 1938: 173 Metopa boeckii — Gurjanova 1951: 423–24, fig. 266 Metopa boeckii — Oldevig 1959: 44; Bousfield 1973: 289 Material examined. Morphological examination: F13745 (collect G.O. Sars, Tjøtøy (Helgeland)). Female and male. Type locality: probably Haugesund, (collected by Boeck and identified by Sars), or Tjøtø, North Norwegian coast. See figures 14, 15, 16, 17 and 18 Morphological redescription of material collected by original author. Head (Fig. 14): medium sized and rounded, epistome flat; eyes approximately 1/3 of head length, round, well defined. Antenna 1 (Fig. 14): long and slender, a little longer than half body length; peduncle article 2 longer than article 1; flagellum 12-articulate, longer than flagellum; no accessory flagellum observed. Antenna 2 (Fig. 14): subequal in length to antenna 1; peduncle double length of flagellum, articles 4 and 5 subequal in length; peduncle 12-articulate, naked. Mandible (Fig. 15): palp 2-articulate, oval in cross-section, two simple setae at apex; incisor and lacinia mobilis serrate; no molar. Maxilla 1 (Fig. 15): inner plate somewhat reduced, one simple seta; outer plate narrow, four simple setae at distal margin; palp 1-articulate with one tooth and four cuspidate setae at distal margin. Maxilla 2: this mouthpart was lost. Maxilliped (Fig. 15): long and narrow, naked; inner plates fused; outer plate totally reduced; palp slender, 4-articulate. Pereon (Fig. 14): smooth. Pereopod 1 (Fig. 16): simple; coxa small, subquadrate; basis long and linear, somewhat flat at anterior margin; ischium subquadrate; merus distally not free, but the posterordistal margin produced a little, few long simple and pectinate setae; carpus elongate, several simple setae along posterior margin, few simple and pectinate ...