Plate 1 issued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.267, Fig.212]. Female (62°54'S, 118°52'E). Ce: forehead (lateral); P.md: mandibular palp; Gntb Md: gnathobase of Md (partial).
Nota: Cephalothorax 3.6 times longer than urosome. Posterior corners of last thoracic segment symmetrical, prolonged into triangular lobes, reaching nearly the midlength of genital segment (lateral and dorsal view). Genital segment symmetrical, with moderate projections (dorsal view) in the midlength of segment; ventral swelling significantly prominent. Urosomal segments 1-3 with hairs. A1 as long as body. Exopodite of P1 3-segmented. Endopodite of P2 incompletely 2-segmented. Coxopodite of P4 with 18-20 spines.
Plate 2 Issued from : E.L. Markhaseva in USSR Acad. Sci., Zool. Inst., Explor. Fauna Seas. Marine Plankton, 1989, 41 (49). [p.52, Fig.6]. Female: Thoracic segment 5 and genital segment. Nota from the key: 1 - Genital segment symmetrical. 2 - Thoracic posterior corners segment 5 symmetrical. 3 - Exopodite 2 of A2 with 1 seta. 4 - Thoracic posterior corners segment 5 without spines. 5 - Thoracic posterior corners protruded into triangular lobes. 6 - Body length > 8 mm. 7 - Genital segment with well developed ventral rectangular protuberance. Coxopodite of P4 with 18-20 spines.
Map 3 Issued from : E.L. Markhaseva in Issled. Fauny Morei, 1989, 41 (49). [p.60, Fig.19]. Geographical distribution of P. tanakai. 1: present occurrence.
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