Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Pseudochirella ( Genus )
Pseudochirella batillipa  Park, 1978   (F,M)
Park, 1978 (p.176, Descr.F, figs.F); Bradford & Jillett, 1980 (p.66); Markhaseva, 1982 (p.107, figs.F, Rem.); 1984 (p.391); 1989 (p.35, 41, figs.F,M); Markhaseva, 1996 (p.255, figs.F,M); Bradford-Grieve & al., 1999 (p.879, 923, figs.F,M)
Species Pseudochirella batillipa - Plate 1 of morphological figuresissued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.177, Fig.50].
Female (63°48'-57'S, 135°02'-06'W): A, habitus (dorsal view); B, idem (left side); C, posterior part of metasome and urosome (dorsal); D, idem (lateral); E, forehead (lateral); F, genital segment (ventral view); G, A2; H, Md.

Nota: The genital field produced distally in the form of a shovel (characteristic).

Species Pseudochirella batillipa - Plate 2 of morphological figuresissued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.178, Fig.51].
Female: A, Mx1; B, Mx2; C, Mxp; D, P1 (anterior); E, P2 (idem); F, basipod of P4 (posterior).

Species Pseudochirella batillipa - Plate 3 of morphological figuresissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.257, Fig.203].
Female (from 45°29'N, 153°04'E) Ce: forehead (lateral and dorsal, respectively); CP4: coxopod of fourth legs; Gn: genital segment.

Male (from Markhaseva, 1989). Re: exopod.

Nota Female: Cephalothorax about 3.8 times longer than urosome.
Posterior corners of last thoracic segment symmetrical, reaching the midlength of genital segment, ending xery small conically pointed knob.
Genital segment symmetrical.
Urosomal segments 2-3 with hairs.
A1 nearly as long as body.
Coxal coxopodite with 10-12 spines (After Park, 1978 with 11-13 spines).

Nota Male: Cephalothorax 3.2 times longer than urosome.
Posterior corners of last thoracic segment without spines.
Anterior border of cephalon smooth triangular.
A1 reaching urosomal segment 4.
Exopodal segment 2 of right P5 distally saber-like; exopodal segment 2 of left P5 without tooth.

Species Pseudochirella batillipa - Plate 4 of morphological figuresIssued from : E.L. Markhaseva in USSR Acad. Sci., Zool. Inst., Explor. Fauna Seas. Marine Plankton, 1989, 41 (49). [p.52, Fig.8].
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 segment 5 without point.
5 - Thoracic posterior corners triangular.
6 - Body length < 6 mm.

Species Pseudochirella batillipa - Plate 5 of morphological figuresPseudochirella batillipa Male:
1 - Exopodite 2 of P5 without tooth.
2 - Posterior corners of last thoracic segment without spines, rounded.
3 - Posterior corners without teeth.
4 - Distal part of right exopodite of P5 blade-like.

Compl. Ref.:
Markhaseva & Razzhivin, 1993 (p.612); Razouls & al., 2000 (p.343, tab. 4, Appendix); Kosobokova & Hirche, 2000 (p.2029, tab.2); Park & Ferrari, 2009 (p.143, Table 4, 6, Appendix 1, biogeography); Kosobokova & al., 2011 (p.29, Table 2, Rem.: Amundsen and Makarov Basins)
NZ: 3

Distribution map of Pseudochirella batillipa by geographical zones
Species Pseudochirella batillipa - 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).
Antarctic (S & SE Pacif., S & SW Atlant.), Spitsbergen, Arctic (Amunsen Basin, Makarov Bassin, Siberian Sea), Kuril Is.

Type locality: ± 63°50'S, 135°W.
N: 9
(20) F: 5,91; 5,58; (37) F: 6,1-5,58; M: 5,4; {F: 5,58-6,10; M: 5,40}
Rem.: bathy & abyssopelagic.
Sampling depth (Antarct.) : > 2000 m.
Bipolar species.
Last update : 30/01/2015
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 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2022. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed December 03, 2022]

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