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Copépodes planctoniques marins
Metridia discreta  Farran, 1946   (F,M)
Taxonomy
Ordre Calanoida
Famille Metridinidae

Synonymie

Metridia boecki : Sars, 1925 (p.199, figs.F); Jespersen, 1934 (p.100); 1939 (p.68, Rem.); Brodsky, 1950 (1967) (part., p.296, figs. Sars, non Indian Ocean after Sewell, 1932; Rem.)

Références

Farran, 1946 (p.215, Rem.); 1948 c (n°14, p.3, figs.F); Grice & Hulsemann, 1965 (p.224, 244, Descr.M, figs.M, Rem.); 1967 (p.17, 28: Rem.); Bradford-Grieve & al., 1999 (p.884, 948, figs.F)

Figures

Planche 1 issued from : G.D. Grice & K. Hulsemann in J. Zool., 1965, 146. [p.243, Fig.16, h-k].
Male (from W Madeira Is.): h, posterior end of cephalothorax and 1st urosomal segment (lateral left side); i, P5; j, end of terminal segment of right P5; k, left P5.
Nota: 5th thoracic segment broadly rounded.
right P5 with internal spine from 2nd exopod segment nearly reaching to tip of 3rd exopod segment; 2 small terminal and one subterminal spine on 3rd exopod segment. Left P5 with seta on 1st exopod segment, seta and spine on 2nd exopod segment. A1 reaches to the furca.
Planche 2 Issued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.LIV, figs.8-11]. As Metridia boecki.
Female: 8, habitus (dorsal); 9, proximal portion of A1; 10, 1st endopodal segment of P2; 11, P5.

Références complémentaires

Grice, 1963 a (p.496); Harding, 1974 (p.141, tab.2, 3, gut contents); Deevey & Brooks, 1977 (p.256, tab.2, Station "S");

Distribution

NZ: 6

Carte de distribution de Metridia discreta par zones géographiques


Localisations

Brazil (off NE Recife), off N Haiti, off Bermuda: Station ‘’ S’’ (32°10’N, 64°30’W), Sargasso Sea, off E Cape Cod, off Mauritania, W Madeira, Azores, S Strait of Davis (in Jespersen, 1934), SE Greenland (rare, in Jespersen, 1939), W Indian.

Citations

N: 10

Dimensions (mm)

(1) F: 3,35; (226) M: 2,04; {F: 3,35; M: 2,04}

Remarques

bathypélagique. In vertical tow 2000-1000 m; 4000-3000 m (Harding, 1974)

Voir aussi les remarques en anglais
Dernière mise à jour : 17/01/2015