Munnogonium falklandicum

• Main Authors: Just, Jean, Wilson, George D. F.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Paramunnidae; Munnogonium; Munnogonium falklandicum; Antarctic; Menzies; Antarc*
• Online Access: https://zenodo.org/record/4690292; https://doi.org/10.5281/zenodo.4690292

Munnogonium falklandicum (Nordenstam, 1933) (Fig. 17) Austrosignum falklandicum Nordenstam, 1933: 5, 244, fig. 67a–d; 278, “Table of Distribution”.— Austrosignum falklandikum Nordenstam, 1933: 244 (species heading). (See below regarding the spelling of the epithet.) Austrosignum falclandicum Vanhöffen, 1914.— Menzies, 1962: 50, lapsus calami. Austrosignum falclandicum Nordenstam, 1933.— Menzies, 1962: 52, unjustified emendation. Munnogonium falklandicum (Nordenstam, 1933).— Just & Wilson, 2007: table1. Type fixation. Syntypes, ♂, ♀.—Originally designated as ‘Types’. Material examined. Syntypes. Preparatory ♀, 1.8 mm (Nordenstam 1933: fig. 67A, reported as 1.9 mm), 1 slide with pereiopods I–III, Falkland Islands, Port William, 51°40’S, 57°42’W, 22 m, sand, 3 September 1902, Swedish Antarctic Expedition stn 51, SMNH Type-8816. ♂, 1.6 mm, south of West Falkland, on the Burwood Bank, 53°45’S, 61°10’W, 137–150 m, broken shell with stones, 12 September 1902, Swedish Antarctic Expedition stn 59, SMNH Type-8817. Description. Body width 0.40 length in female, 0.33 length in male, widest in both at pereionite 3. Head length 0.65 width (♂), 0.60 (♀); length posterior to eyestalks 1.1 anterior length. Frontal margin broadly rounded without angular lateral margins adjacent to antennae. Eyestalks vestigial, length equaling width, apex a rounded bump, long axis angling forward at approximately 40°. Pereionite 1 sagittal length in female 1.1 pereionites midline length, 1.8 in male; pereionite 1 lateral margin rounded (male) or apparently linear (female), 2–4 rounded projecting (less so in female), 5–7 rounded; coxal plates 1–7 visible in dorsal view in male, coxae 5–7 visible in female. Pleon length 1.8 width in female. Pleonite 1 length/width about 1.0; width/distance between uropods 0.84 (♀), 0.80 (♂), longer than pereionite 7 middorsally. Pleotelson slender, laterally convex, lacking inflection between lateral and proximal margins; posterior projection set apart from lateral margins by moderate concavity at level of ...