Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Tharybidae ( Famille )
            Undinella ( Genre )
Undinella simplex  (Wolfenden, 1906)   (F,M)
Syn.: Xanthocalanus simplex Wolfenden, 1906 (p.30, Descr.F, figs.F);
Undinella brevipes Farran, 1908 b (p.50, Descr.F, figs.F); Vervoort, 1957 (p.95, Rem.); Tanaka, 1960 a (p.131, figs. juv.M); Furuhashi, 1966 a (p.295, vertical distribution in Kuroshio region, Table 10); Minoda, 1971 (p.33, figs.F); Bradford & al., 1983 (p.127, figs.F,M, Rem.); Greze & al., 1985 (p.7); Boxshall & Halsey, 2004 (p.211, fig.F); Park & Ferrari, 2009 (p.143, Table 5, Appendix 1, biogeography);
Ref. compl.: Lysholm & Nordgaard, 1921 (p.19); Lysholm & al., 1945 (p.29); Grice & Hulsemann, 1967 (p.17); Fleminger, 1967 a (tabl.1); Park, 1970 (p.476); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Roe, 1984 (p.358); Errhif & al., 1997 (p.423); Razouls & al., 2000 (p.343, Appendix); Holmes, 2001 (p.55)
Ref.:
Farran, 1926 (p.268); Rose, 1933 a (p.142, figs.F); Grice & Hulsemann, 1965 (p. 242, figs.M); Vives & al., 1975 (p.43, tab.II); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Vives, 1982 (p.292); Greze & al., 1985 (p.7); Andronov, 2002 (p.75, figs.F,M); Vives & Shmeleva, 2007 (p.865, figs.F,M, Rem.)
Espèce Undinella simplex - Planche 1 de figures morphologiquesissued from : J.M. Bradford, L. Haakonssen & J.B. Jillett in Mem. N.Z. Oceanogr. Inst., 1983, 90. [p.125, Fig.76]. As Undinella brevipes.
Female: A, last thoracic segment and urosome (dorsal); B, idem (lateral right side); C, rostrum; D, A2; E, Md; F, terminal part of mandibular blade; G, Mx1; H, Mx2; I, P1; J, P2; K, P3; L, P4; M, P5.

Nota: The south-west Pacific specimens have small chitinous thickenings on the posterior metasome, urosome, and basipod segment 1 of P4 (as noted by Vervoort, 1957). There is a tendancy for the proximal segments of P2-4 to be fused. The specimens have at least 5 brush-like setae on the endopod of Mx2.


Espèce Undinella simplex - Planche 2 de figures morphologiquesissued from : G.D. Grice & K. Hulsemann in J. Zool., 1965, 146. [p.243, Fig.16, e-g].
Male (from Azores): e, habitus (dorsal); f, idem (lateral left side); g, P5.

Nota: Head and 1st thoracic segment fused, 4th and 5th fused.
Posterior lateral corners of cephalothorax with notch-like protuberances.
Anal segment very small. Rostrum with 2 filaments.
P5 with right exopod 2-segmented, endopod absent; left exopod 3, endopod 1-segmented, distal end of 2nd and 3rd segments of left exopod with tuft of hairs.


Espèce Undinella simplex - Planche 3 de figures morphologiquesissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.76, Figs.451-473].
Female (from E Atlantic): 451-452, habitus (dorsal and lateral, respectively); 453, rostrum; 454, genital segment (ventral); 455, Md (cutting edge); 456, P1; 457-458, exopod of P2 and P3, respectively; 459, P4; 460-463, P5 (of different specimens; 464, distal segment of left P5.

Male: 467, habitus (dorsal); 468, thoracic segment 4+5 and genital segment (dorsal); 469, thoracic segment 4+5 (right view); 470, rostrum; 471, P5.


Espèce Undinella simplex - Planche 4 de figures morphologiquesissued from : G.P. Farran in Fish. Ire. Sci. Invest., 1906, II [1908]. [Pl. V, Figs.1-4]. As Undinella brevipes.
Female (from 55°0'N, 10°48'W): 1, habitus (lateral); 2, rostrum; 3, P3; 4, P5.


Espèce Undinella simplex - Planche 5 de figures morphologiquesIssued from : O. Tanaka in Spec. Publs. Seto mar. biol. Lab., 10, 1960 VIII (1) [p.132, Fig. 103].
Immature Male (from Sagami Bay, Japan): a, habitus (dorsal); b, forehead (lateral); c, last thoracic segment and abdomen (lateral); d, rostrum (anterior aspect); e, Mx1; f, P5.


Espèce Undinella simplex - Planche 6 de figures morphologiquesIssued from : C. Razouls in Ann. Inst. océanogr., Paris, 1994, 70 (1). [p.132]. As Undinella brevipes.
Caractéristiques morphologiques de Undinella simplex femelle et mâle adultes.
Terminologie et abbréviations: voir à Calanus propinquus.
La station ''Kerfix'' est située à l'entrée de la Baie du Morbihan aux Ïles Kerguelen.

Ref. compl.:
in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.)
NZ: 13

Carte de distribution de Undinella simplex par zones géographiques
Loc:
Antarct. (Peninsula, Weddell Sea, Indian), sub-Antarct. (Indian, SW Pacif.), South Africa (Walvis Ridge), Angola-Namibia, off Congo, off Cape Verde Is., off Mauritania, off Canary Is., Ibero-moroccan Bay, off W Cabo Finisterre, Bay of Biscay, off Amazon, G. of Mexico, off Bermuda: Station ‘’ S’’ (32°10’N, 64°30’W), off S Iceland, SW Ireland, W Medit. (Alboran Sea), W Indian, S Indian (subtropical Convergence), Japan (Sagami Bay), Bering Sea, California, New Zealand (N), Tasman Sea
N: 24
Lg.:
(9) F: 1,55; 1,45; (24) F: 1,6; (25) F: 1,98-1,89; (38) F: 1,53-1,5; (208) F: 1,9; (226) M: 1,24; (239) F: 1,45; (881) F: 1,4-1,98; M: 1,35-1,48; {F: 1,40-1,98; M: 1,35-1,48}
Rem.: méso-bathypélagique.
Voir aussi les remarques en anglais
Dernière mise à jour : 28/01/2017

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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2024. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 19 mars 2024]

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