Plate 1 issued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.156, Fig.35]. Female: A, habitus (dorsal view); B, idem (lateral); C, forehead (lateral); D, distal part of metasome and urosome (dorsal view); E, idem (left side); F, idem (right side); G, genital segment (ventral view); H, A2.
Plate 2 issued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.157, Fig.36]. Female: A, Mx1; B, P1; C, P2; D, P3; E, coxae of P5 (posterior view). P1-3: legs (posterior view).
Plate 3 issued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.169, Fig.130]. Female & Male (specimens from SE Pacif.). Ce: forehead (dorsal, and lateralleft and right, respectively); Re: exopod; CP4: spines of coxopod of P4.
Plate 4 issued from : J.M. Bradford & J.B. Jillett in Mem. N.Z. Oceanogr. Inst., 86, 1980. [p.44, Fig.27]. Female: A, habitus (dorsal); B, idem (lateral right side); C, basipod 1 of P4.
Plate 5 issued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [p.238, Fig.23]. Female: a, habitus (lateral, with spematophore); b, posterior part cephalothorax and urosome (dorsal); c-d, basipod segment of P4.
Plate 6 issued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [Pl.XXVIII, Figs.1-2]. Female: 1, A2; 2, P2 (endiopod missing)
Plate 7 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.63, Fig.5, d]. Female: d, condition of the distal small seta on A1 segment 5. Nota: modified, type II seta, with slightly widened distal part. (see Pseudochirella obesa p.63, fig.5,a) Scale bar 0.05 mm.
Plate 8 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.76, Fig.14, j]. Female: j, arrangement of spinules on the lateral tubercle of endopod of P1. Scale bar 0.067 mm. Nota: Spinules of approximately equal size (as other Euchirella species) and arranged in a more or less regular row.
Plate 9 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.80, Fig.16, c, d]. Female: c, number, shape, and size denticles along the lateral edge od the terminal seta on exopdal segment 3 of P1; d, detail of the same seta. Scale bar: 0.4 mm (c); 0.067 mm (d).
Plate 10Euchirella similis female: 1 - Crest absent. 2 - Genital segment slightly asymmetrical. 3 - Genital segment with large projection on the right side (dorsal view), left side without sweeling . 4 - Projection on the right of genital segment abruptly prominent (dorsal view). Coxopodite of P4 with 2-3 spines. 5 - Projection on genital segment is ear-like, arranged in its anterior half.
Plate 11 Issued from : V.N. Andronov in Russian Acad. Sci. P.P. Shirshov Inst. Oceanol. Atlantic Branch, Kaliningrad, 2014. [p.85, Fig.22: 14]. Euchirella similis after Markhaseva, 1996. Male P5.
Plate 12 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.66, Fig.7, c]. Euchirella similis c, A2 arrangements of spinules and hairs on the posterior edge of endopodite 2+3 (right appendage of medial view ): 4 spinules spinules in distal patch.
Plate 13 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.68, Fig.8, f]. Euchirella similis: Structure and setal armature of basipode 2 of Md (left appendage medial). No seta present.
Plate 14 Issued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Table II]. Euchirella similis Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).
Plate 15 Issued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Table II]. Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).
Plate 16 Issued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Table II]. Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).
Map 3 Issued from : J.M. Bradford & J.B. Jillett in New Zealand Ocean. Inst. Memoir, 86, 1980. [p.88-89, Figs.65-67]. Distribution of several species of Euchirella in the Tasman Sea and around New Zealand. Nota: Euchirella indica (= Euchirella massinensis indica).
sub-Antarct. (Indian, SE Pacif.), off South Africa (W), Namibia, off S St.-Helena Is., Cape Verde Is., S Indian, SW Australia, S Tasmania, New Zealand, off Juan Fernandez Is., Chile.
Type locality: Atlantic (between 17°28'N and 35°39'S).
The mean female size 4.701 mm (n = 8; SD = 0.5618).
Remarks
Meso-bathypelagic. Sampling depth (sub-Antarct.) : 400-2000 m. For Vervoort (1957, p.64) the female is recognized by the curious protuberance on the right side of the genital somite. The posterior surface of the 1st basal segment of P4, according to Wolfenden's notes, carries 2 or 3 strong spines; Vervoort'specimen shows 2 of such spines.
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