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Copépodes planctoniques marins
Xanthocalanus difficilis  Grice & Hulsemann, 1965   (F)
Taxonomy
Ordre Calanoida
Superfamille Clausocalanoidea
Famille Phaennidae

Références

Grice & Hulsemann, 1965 (p.223, 235, Descr.F, figs.F); Bradford, 1973 (p.146, Rem.); Bradford & al., 1983 (p.71, 104); Vyshkvartzeva, 1999 (2000) (p.221)

Figures

Planche 1 issued from : G.D. Grice & K. Hulsemann in J. Zool., 1965, 146. [p.236, Fig.11].
Female: a, habitus (lateral left side); b, urosome (ventral); c, Md (mandibular palp); d, Md (cutting edge); e, Mx1 (spines on 1st inner lobe omitted); f, Mx2; g, Mxp; h, P1; i, P2; j, basipod segments of P3; k, endopod of P3; l, P4 (2nd and 3rd exopod segments missing); m, P5.
Nota: Rostrum triangular, filaments absent.
Head and 1st thoracic segment fused, 4th and 5th separate. A1 24-segmented (segments 8 and 9 fused).
Genital segment dilated laterally.
1st basipodal segments of P3 and P4 and surface of exopods and endopods of P1 to P4 with numerous spines.
P5 3-segmented, distal segment with long inner and short terminal spine; surface of 2nd and 3rd segments with scattered spines.

Distribution

NZ: 1

Carte de distribution de Xanthocalanus difficilis par zones géographiques


Localisations

NE Atlant. (32°29'N, 20°09'W; 29°57'N, 22°58'W)

Citations

N: 1

Dimensions (mm)

(226) F: 1,34-1,15; {F: 1,15-1,34}

Remarques

bathy-abyssopélagique.
Probable dans le Groupe " Scolecithrix ctenopus”. Probable au genre Scolecitrichopsis.

Voir aussi les remarques en anglais
Dernière mise à jour : 02/02/2015