Cryosignum lunatum Hale 1937, comb. nov.

• Main Authors: Just, Jean, Wilson, George D. F.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2007
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Paramunnidae; Cryosignum; Cryosignum lunatum; Adelie Land; Antarc*; Antarctica; Prydz Bay
• Online Access: https://doi.org/10.5281/zenodo.5684098; http://treatment.plazi.org/id/03A6878FFF8C5A4BFF4AF9AAFC72FF6B

Cryosignum lunatum (Hale, 1937), comb. nov. Figs 5–6 Paramunna lunata Hale, 1937: 41, fig. 17. Pleurosignum lunata? — Menzies (1962: 55). Pleurosignum lunata. — Kensley (1977: 259). Paramunna antarctica (Richardson, 1908), identification by Hale (1937: 38, fig. 15), here determined. Not Austrosignum grande Hodgson, 1910. — Synonymy proposed by Kussakin (1982: 94). Not Paramunna lunata. — Brandt (1999: 130, figs 1–2). Type fixation . Holotype, terminal male, SAMA C3725. — Original designation. Material examined. Holotype . Terminal ɗ, 2.7 mm, Antarctica, Adelie Land, Main Base, Boat Harbour, 67°S 142° 36’E, 3.5–7 m (2–4 fms), September 1913, SAMA C3725. Paratype . Terminal ɗ lacking pleotelson and all pereopods, same data as holotype, SAMA C3729. Other material . 3 young ɗ, 2 Ψ, identified as Paramunna antarctica (Richardson, 1908) by Hale (1937), same data as holotype and paratype, SAMA C6339. 1 fully developed Ψ, Antarctica, Prydz Bay, Davis Station, 68o 34.5'S 77o57'E, M. Tucker, Site A, 24 January 1982, NMV J4766. 2 near terminal ɗ, Antarctica, Prydz Bay, Davis Station, 68o 34.5'S 77o53'E, M. Tucker, Site C, 25 January 1982, NMV J4775. 1 Ψ, Antarctica, Prydz Bay, Davis Station, 68o 38'S 77o48'E, M. Tucker, Site 9, 6 January 1982, NMV J55501. 1 ovigerous Ψ, Antarctica, Prydz Bay, Davis Station, 68o 34.5'S 77o 53'E, M. Tucker, Site C, 4 June 1982, NMV J4777. Description . Body width 0.57 length in female, 0.43–0.53 in male (largest value terminal male), widest in female at pereonite 3, in terminal male at pereonite 1. Head longer in male than female, length 0.71 width in terminal male, otherwise length 0.46 width; length posterior to eyestalks 1.4 anterior length, 2.5 anterior length in terminal male; head of terminal male posteriorly fused to pereonite 1. Frontal margin without angular lateral margins adjacent to antennae, shallow convex, almost straight medially. Eyestalks in female length 2.75 width, terminal male length 4.5 width, apex rounded, shaft before apex approximately parallel, long axis angling ...