Plate 1 issued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.263, Fig.209]. Female (from NW Pacif.: Kuril Trench).
Nota: Cephalothorax about 3.5-4.0 times longer than urosome. Posterior corners of last thoracic segment rounded, symmetrical. Genital segment symmetrical, nearly as long as wide, and nearly as long as 2 following segments together; ventral swelling strongly protruded, widest in its posterior part (lateral view). Urosomal segments 1-3 with hairs on the surface. Body surface of some specimens with chitinous thickenings. A1 longer than cephalothorax reaching urosomal segments 2-3. Exopodite of P1 3-segmented. Endopodite of P2 indistinctly 2-segmented (in Sars, 1925) or distinctly segmented (in A. Scott, 1909). Coxopodite of P4 with about 30 thin fan-like spines (Sars, 1925 noted 14 spines).
Plate 2 Issued from : W. Vervoort in Zool. Verh., Leiden, 1949, 5. [p.47, Fig.21,c]. As Pseudochirella obtusa. Male (from Banda Sea): c, P5.
Plate 3 Issued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.XXVI, figs.10-15]. Female (near Azores Is.): 10, habitus (dorsal); 11, idem (lateral left side); 12, forehead (lateral); 13, basipodal segment of P4.
Male: 14, habitus (lateral left side); 15, P5. Head and 1st thoracic segment with suture more or less visible
Nota: Strong development of setae on A1.
Nota Male after Markhaseva (1996, p.263): Cephalon and 1st thoracic segment indistinctly separated. Posterior corners of last thoracic segment rounded, without spines. Cephalothorax about 3 times longer than urosome; Exopodal segment 2 of left P5 with 3 teeth in distal part of segment.
Plate 4 issued from : A. Scott in Siboga-Expedition, 1909, XIX a. [Plate XIII, Figs.1-12]. As Euchirella granulata. Female (from Manipa Strait): 1, habitus (dorsal); 2, forehead (lateral); 3, last thoracic and genital segments (left side); 4, rostrum; 5, portion of the integument with fine granulations (highly magnofied); 6, A1; 7, A2; 8, Mx1; 9, P1; 10, P2; 11, P4 (basal portion only).
Plate 5 Issued from : E.L. Markhaseva in USSR Acad. Sci., Zool. Inst., Explor. Fauna Seas. Marine Plankton, 1989, 41 (49). p.52, Fig.1]. Female: Thoracic segment 5 and genital segment. Nota from the key: 1 - Genital segment symmetrical.
2 - Thoracic posterior corners symmetrical.
3 - Exopodite 2 of A2 with 3 setae. 4 - Thoracic segments 4 and 5 separate. 5 - Genital segment with ventral protuberance backward. Genital segment (in lateral in lateral view) nearly 2 times large than the following segment. 6 - Body length: 4.8-6,1 mm.
Plate 6Pseudochirella dubia Male: 1 - Exopdite 2 of left P5 with 3 teeth in distal part of segment.2 - Posterior corners of last thoracic segment without spines.
Map 5 Issued from : E.L. Markhaseva in Issled. Fauny Morei, 1989, 41 (49). [p.55, Fig.10]. Geographical distribution of P. dubia. 1: from literature; 2: present occurences.
Antarct. (SW Atlant., Indian), N Atlant. (Azores), Davis Strait, Faroe Is., W Indian, Indonesia-Malaysia, Philippines, Japan Trench, Kuril Is., S Chile.
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