Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Pseudochirella ( Genus )
Pseudochirella pustulifera  (Sars, 1905)   (F,M)
Syn.: Undeuchaeta pustulifera Sars, 1905 b (p.14, Rem.F); van Breemen, 1908 b (p.44);
Euchirella wolfendeni Farran, 1908 b (p.38, figs.F);
Chirudina pustulifera : With, 1915 (p.145, figs.F);
no Chirundina pustulifera (M): Wilson, 1932 a (p.49, figs.M);
no Pseudochirella pustulifera : Tanaka, 1957 b (p.192, figs.F,M); Tanaka & Omori, 1969 a (p.162, figs.M); ? Hattori, 1991 (tab.1, Appendix);
Pseudeuchirella pustulifera: Björnberg, 1973 (p.325, 388)
Ref.:
Sars, 1925 (p.85, figs.F); Rose, 1933 a (p.110, figs.F); Jespersen, 1934 (p.65); 1940 (p.27); Vervoort, 1952 g (n°48, p.3, figs.F); Park, 1978 (p.165, figs.F,M); Bradford & Jillett, 1980 (p.67); Markhaseva, 1989 (p.40, 41, figs.F,M); 1996 (p.285, figs.F,M, Rem.: p.293); Chihara & Murano, 1997 (p.689, Pl.47: F,M); Bradford-Grieve & al., 1999 (p.880, 923, figs.F); Boxshall & Halsey, 2004 (p.55: figs.F)
Species Pseudochirella pustulifera - Plate 1 of morphological figuresissued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.166, Fig.43].
Female: A, habitus (dorsal view); B, forehead (lateral); C, posterior part of metasome and genital segment (ventral view); D, idem (dorsal view); E, idem (right lateral side); F, A2; G, P1 (anterior); H, P2 (idem); I, basipods of P4 (posterior).


Species Pseudochirella pustulifera - Plate 2 of morphological figuresissued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.167, Fig.44].
Male: A, habitus (dorsal); B, idem (left lateral side); C, A2; D, P1 (anterior); E, P5 (viewed from right side); F, P5 (posterior); G, two distal exopodal segments of left P5 (posterior); H, two distal segments of left P5 (anterior).


Species Pseudochirella pustulifera - Plate 3 of morphological figuresissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.287, Fig.230].
Female: (a-c) from SE Pacif.), other figures from Chile. Ce: forehead (lateral); CP4: coxopod of fourth legs (partial).

Nota: Cephalothorax about 4.0-4.6 times longer than urosome.
Posterior corners of last thoracic segment symmetrical and rounded.
Genital segment asymmetrical, projection on the right more prominent than on the left, projections arranged in the midlength of the segment (dorsal view); Shape of projections variable.
A1 as long as body.
Exopodite of P1 3-segmented; segments 1 and 2 incompletely separated.
Endopodite of P2 with separation of segments indistinct.
Coxopodite of P4 with 6-9 spines (after With, 1915, with 11 spines).


Species Pseudochirella pustulifera - Plate 4 of morphological figuresissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.288, Fig.231].
Male (from Antarct.: S Drake Passage).Ce: forehead (lateral).

Nota: Cephalothorax about 3 times longer than urosome.
Oral parts reduced in comparison with those in females.
A1 reaching the distal end of urosomal segment 3.
Exopodite 1 of P1 3-segmented; with external spine exceeding the midlength of segment 2 (after Park, 1978, it is significantly shorter).
Coxopodite of P4 without setae and spines; exopodal segment 2 of left P5 with 2 teeth distally.left


Species Pseudochirella pustulifera - Plate 5 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.XXIV, figs.5-6].
Female (from Azores Is. and Bay of Biscay): 5, habitus (dorsal); 6, basipodal segment of P4.

Nota: Head and thoracic segment 1 completely fused, Th5 segment distinctly defined in front.
Corners of Th5 short and blunt.
Genital segment asymmetrical, with conical protuberance on the right side.
Coxopodite of P4 with comb of about 7 spines , strong and thick.


Species Pseudochirella pustulifera - Plate 6 of morphological figuresissued from : G.P. Farran in Fish. Ire. Sci. Invest., 1906, II [1908]. [Pl. II, Figs.18-19]. As Euchirella Wolfendeni.
Female (from W Ireland): 18, A2; 19, P4.


Species Pseudochirella pustulifera - Plate 7 of morphological figuresissued from : G.P. Farran in Fish. Ire. Sci. Invest., 1906, II [1908]. [Pl. IV, Fig.3].
Female: 3, habitus (dorsal).


Species Pseudochirella pustulifera - Plate 8 of morphological figuresissued from : C. With in The Danish Ingolf-Expedition, 1915, III (4). [p.145, Text-Fig.39]. As Chirudina pustulifera.
Female (from 61°32'N, 18°W): forehead (lateral).


Species Pseudochirella pustulifera - Plate 9 of morphological figuresissued from : C. With in The Danish Ingolf-Expedition, 1915, III (4). [Pl. V, Fig.6, a-c]. As Chirudina pustulifera
Female: 6a, last thoracic segment and urosome (dorsal); 6b, genital segment (lateral); 6c, genital area (ventral).


Species Pseudochirella pustulifera - Plate 10 of morphological figuresIssued from : E.L. Markhaseva in USSR Acad. Sci., Zool. Inst., Explor. Fauna Seas. Marine Plankton, 1989, 41 (49).
p.53, Fig.21].
Female: Thoracic segment 5 and genital segment.
Nota from the key:
1 - Genital segment strongly asymmetrical.
2 - Both left and right thoracic posterior corners without spines.
3 - Thoracic posterior corners rounded.
4 - Thoracic posterior corners symmetrical.
5 - Genital segment with protuberance on the right.
6 - Protuberance present in anterior part of genital segment.


Species Pseudochirella pustulifera - Plate 11 of morphological figuresPseudochirella pustulifera Male:
1 - Exopodite 2 of left P5 with tooth.
2 - Exopodite 2 of left P5 with 2 teeth distally.
3 - Posterior corners of last thoracic segment without spines.
4 - Exopodite 2 of right P5 smooth, without excavation and swelling.

Compl. Ref.:
Hardy & Gunther, 1935 (1936) (p.159, Rem.); Sewell, 1948 (p.500, 513); Østvedt, 1955 (p.15: Table 3, p.63); Grice, 1963 a (p.495); Grice & Hulsemann, 1967 (p.15); 1968 (tab.2); Vinogradov, 1968 (1970) (p.261); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Razouls & al., 2000 (p.343, Appendix); Holmes, 2001 (p.51); Gaard & al., 2008 (p.59, Table 1, N Mid-Atlantic Ridge); Park & Ferrari, 2009 (p.143, Table 4, fig.1, Appendix 1, biogeography)
NZ: 9

Distribution map of Pseudochirella pustulifera by geographical zones
Species Pseudochirella pustulifera - Distribution map 3Issued from : E.L. Markhaseva in Issled. Fauny Morei, 1989, 41 (49). [p.56, Fig.12].
Geographical distribution of P. batillipa (1: from literature; 4: present occurrences) and P. pustulifera (1: from literature, 3: present occurrences).
Loc:
Antarct. (SW Atlant., S & SE Pacif.), South Georgia, sub-Antarct. (Pacif. SE), Atlant. N (temperate & boreal), off Bay of Biscay, Azores, Sargasso Sea, off Bermuda: Station "S" (32°10'N, 64°30'W), off Cape Cod, off Woods Hole, S Davis Strait, S Iceland, Faroe Is., Norwegian Sea, off W Ireland, S Indian, ? Japan (off Sanriku), off Juan Fernandez Is., S Chile.

Type locality: North Atlantic.
N: 19
Lg.:
(1) F: 7,3; (7) F: 6,9; (20) F: 7,41-7; M: 6,5; (24) F: 7,4; (37) F: 7,4-6,6; M: 6,5-6,2; {F: 6,60-7,41; M: 6,20-6,50}
Rem.: Markhaseva (1996) considers this species as antitropical.
Sampling depth (Antarct., sub-Antarct.) : 300-1000-5000 m. Sargasso Sea: 1000-2000 m (Deevey & Brooks, 1977, station "S")
Last update : 22/08/2018
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 18, 2021]

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