Marmachius fortunae Poore, 2012, n. sp.

• Main Author: Poore, Gary C. B.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Antarcturidae; Marmachius; Marmachius fortunae; Antarc*
• Online Access: https://doi.org/10.5281/zenodo.6166959; http://treatment.plazi.org/id/AD5A87E0FFE7FFFD2AA8FA3CFDE43E69

Marmachius fortunae n. sp. (Figs 1–3) Antarcturus sp.— Poore, 2001: fig. 1g. Material examined . Holotype . Australia, Victoria, 85 km S of Point Hicks, 38.5235°S, 149.3517°E, 1984– 1360 m, G.C.B. Poore et al. on RV Franklin , beam trawl, 26 Oct 1988 (stn SLOPE 72), Museum Victoria (NMV) J16897 (male, 39 mm). Description . Total body length about 4.7 times as long as greatest width, almost cylindrical. Head with excavate frontal margin; with pair of submedian long spines curving forwards, 1 short and 1 very short sublateral spines on each side; maxillipedal segment with pair of short straight submedian spines, 2 lateral tubercles each side. Pereonite 1 with pair of submedian long spines curving forwards, 1 median short straight spine, second pair of submedian very short spines, pair of sublateral long spines anteriorly directed and curved, 2 short lateral (supracoxal) spines arranged obliquely on each side, second longer; coxa fused, laterally notched, with 2 tubercles. Pereonite 2 with pair of proximate submedian short straight spines, pairs of submedian and sublateral long spines curving forward, 1 median short straight spine, followed by pair of submedian very short spines, 2 lateral (supracoxal) short spines set obliquely on each side (second shorter and more dorsal) and with tubercle between, 3 tubercles in oblique row in front of supracoxal spine on each side; coxa with circlet of 4 very short spines laterally; ventral coxal plate with 1 tubercle in midline. Pereonites 3 and 4 with essentially same spine pattern as pereonite 2 except on ventral coxal plates: ventral coxal plate 3 with 2 tubercles on midline, plate 4 with 1 median tubercle and 2 near basis articulation. Pereonite 5 with pair of submedian long spines curving backwards, pair of submedian short spines, 1 lateral (supracoxal) long spine curving backwards and shorter lateral spine anteriorly on each side,1 median short spine; coxa with 1 long spine laterally directed and posterior tubercle, circlet of 3 tubercles; ventral coxal plate with pair ...