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Copépodes planctoniques marins
Parvocalanus dubia  Sewell, 1912   (F)
Taxonomy
Ordre Calanoida
Superfamille Calanoidea
Famille Paracalanidae

Synonymie

Paracalanus dubia Sewell, 1912 (p.330, Descr.F, figs.F: sp. near of Paracalanus crassirostris); 1929 (p.76, figs.F); Rose, 1956 (p.460); Silas, 1972 (p.645); Uysal & Shmeleva, 2012 (p.909, Table I);
no Grice, 1962 (p.183, figs.F);
? Paracalanus crassirostris sewelli Früchtl, 1923 (p.456: Rem.);
Paracalanus dubius : Gouda & Panigrahy, 1995 (p.206)

Références

Bradford, 1978 (p.133); Hiromi, 1987 (p.153, fig.F); Kesarkar & Anil, 2010 (Rem.: p.406); S.Y. Moon & al., 2014 (p.45: F)

Figures

Planche 1 Issued from : R.B.S. Sewell in Rec. Indian Mus., 1912, 7. [Pl.XV, figs.1-5]. As Paracalanus dubia.
Female (from Bay of Bengal): 1, habitus (lateral right side): 2, urosome (ventral); 3, P1; 4, P2; 5, P5.

Nota: Head and 1st thoracic segment fused, 4th and 5th fused. Caudal rami symmetrical 2-times long as wide. Proportional lengths of urosomites and caudal rami as 15:5:5:10:8. A1 24-segmented (segments 1-2 fused); there is a transverse row of minute spines on the posterior aspect of segments 2 to 9 inclusive. 1 st basal segment bears several scattered delicate spines on its anterior surface.
Planche 2 issued from : R.B.S. Sewell in Mem. Indian Mus., 1929, X. [p.76, Fig.29]. As Paracalanus dubia.
Female (from N Indian Ocean): a, genital segment (ventral); b, P5.
Planche 3 issued from : K.S. Kesarkar & A.C. Anil in J. mar. Biol. Ass. UK, 2010, 90 (2); [p.406, Table 2].
Characteristics of females.
Planche 4 issued from : K.S. Kesarkar & A.C. Anil in J. mar. Biol. Ass. UK, 2010, 90 (2); [p.407, Fig.5, L].
Female: L, P5.
Planche 5 Issued from : S. Y. Moon, S.-H. Youn & H.Y. Soh in ZooKeys, 2014, 456. [p.42, Table I].
Female : marphological characters.
Compare with other species of Parvocalanus : ( arabiensis, crassirostris, leei, elegans, latus, serratipes, scotti).

Références complémentaires

Madhupratap & Haridas, 1986 (p.105, tab.1); ; McKinnon & al., 2008 (p.844: Tab.1, fig.7)

Distribution

Localisations

off Cape Verde Is. (in Chasavar-Archad & Razouls, 1982), E Medit. (N Lebanon Basin), Indian (off S Cochin, Rushikulya estuary, Bay of Bengal), Burma, Mooth of Rangoon River), Australia (North West Cape), Viet-Nam (Nha-Trang), off E New Guinea.

Citations

N: 9

Dimensions (mm)

Remarques

La forme identifiée off Is. du Cap Vert confirmerait que cette espèce n'est qu'une variété, ou une anomalie, de Parvocalanus crassirostris.

Voir aussi les remarques en anglais
Dernière mise à jour : 21/08/2018