Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Pseudochirella ( Genus )
Pseudochirella spinosa  (Wolfenden, 1905)   (F)
Syn.: Euchirella spinosa Wolfenden, 1905 a (p.19, Descr.F, figs.F); 1911 (p.235, figs.F); Hardy & Gunther, 1935 (1936) (p.160, Rem.); Sewell, 1948 (p.500, 569)
Ref.:
Sewell, 1948 (p.523); Bradford & Jillett, 1980 (p.67); Markhaseva, 1989 (p.38); 1996 (p.290, figs.F); Bradford-Grieve & al., 1999 (p.880, 923, figs.F)
Species Pseudochirella spinosa - Plate 1 of morphological figuresissued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [Pl.XXVII, Figs.3-7]. As Euchirella gracilis.
Female: 3, last thoracic segment and urosome (lateral); 4, idem (dorsal); 5, A2; 6, P2; 7, P4.

Nota: Complement after Markhaseva (1996, p.290): Cephalothorax 4 times longer than urosome.
Posterior corners of last thoracic segment prolonged into straight spines reaching about the midlength of genital segment (dorsal view).
A1 shorter than body.
Endopodal segment 1 of A2 with 1 seta; exopodal segment 2 of A2 without medial seta.
Exopodite of P1 3-segmented.
Endopodite of P2 2-segmented.
Coxopodite of P4 with 13 spines.


Species Pseudochirella spinosa - Plate 2 of morphological figuresIssued from : E.L. Markhaseva in USSR Acad. Sci., Zool. Inst., Explor. Fauna Seas. Marine Plankton, 1989, 41 (49). [p.52, Fig.3].
Female: Thoracic segment 5 and genital segment.
Nota from the key:
1 - Genital segment symmetrical.
2 - Thoracic posterior corners symmetrical.
3 - Exopoddite 2 of A2 with 1 seta.
4 - Corners of thoracic segment 5 with points extending ± the midlength of genital segment.

Compl. Ref.:
Razouls & al., 2000 (p.343, Appendix)
NZ: 3

Distribution map of Pseudochirella spinosa by geographical zones
Loc:
Sub-Antarct. (SW Atlant. in Hardy & Gunther, 1935, p.160: exceptional: 53°.5S, 49°W), off SW Ascension Is., Atlant. (equatorial): off E St. Paul Is., off W Cape Verde Is.

Type locality: 28°S, 20°W and 18°N, 30°W
N: 3
Lg.:
(10) F: 6,2; {F: 6,20}
Rem.: Sampling depth (Antarct.) : 750-1000 m.
Last update : 30/01/2015
    to add your remark
  

 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., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 14, 2024]

© copyright 2005-2024 Sorbonne University, CNRS

Webmaster
CNRS   Observatoire Océanologique de Banyuls sur Mer - Laboratoire Arago
Sorbonne Université

 

Version française
English version

 

Search

On the WEB of CNRS

 


Marine Planktonic Copepods

Marine Planktonic Copepods

 

Imprimer Contact Accueil Plan du site Accès restreint Retour Une du Labo Imprimer Contact Plan du site Crédits Téléchargez les Plug-Ins