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Copépodes planctoniques marins
Alrhabdus johrdeae  Grice, 1973   (F)
Taxonomy
Ordre Calanoida
Superfamille Arietelloidea
Famille Augaptilidae

Références

Grice, 1973 (p.943, Descr.F, figs.F); Park, 2000 (p.8, Rem.)

Figures

Planche 1 issued from : G.D. Grice in Bull; Mar. Sci., 1973, 23 (4). [p.944, Fig.1-9].
Female (25°10'N, 77°25'W): 1, habitus (left lateral side); 2, head (left latera view); 3, anterior end of head (ventral); 4, posterior end of prosome and urosome (dorsal); 5, idem (left lateral side); 6, A1; 7, Md; 8, masticatory edge of Md; 9, Mx1.

Nota: A1 25-segmented, reaching to 2nd urosomal segment; distal segments more elongate than proximal ones.
A2 with elongate endopodal setae reaching to 4th pedigerous somite; exopod less than 1/2 length of endopod.
Md with small palp; exopod 1-segmented, endopod 2-segmented. Md blade with several large pointed teeth.
Mx1 with enlarged 1st inner lobe bearing 11 spines and setae; inner lobes 2 and 3 bear 1 and 3 setae, respectively; 2nd basal segment with 1, endopod with 3, and exopod with 6 setae, respectively.
Planche 2 issued from : G.D. Grice in Bull; Mar. Sci., 1973, 23 (4). [p.945, Fig.10-17].
Female: 10, Mx2; 11, Mxp; 12, distal end of Mxp; 13, P1; 14, P2; 15, P3; 16, P4; 17, P5.

Nota: Mx2 with 6 prominent lobes each bearing setae and spines; terminal spines robust.
Mxp basal segment with setae and spines variable lengths; 2nd segment with 3 marginal spines, distal spine long and slender.
P1 to P4 with 3-segmented exopods and endopods.
P5 with 3-segmented exopods and endopods, external margin of basis with long seta; internal margin of 2nd exopodal segment with short spines. Modified seta arising from 1st and 2nd endopodal segments lobate with sensory filament terminally.

Distribution

NZ: 1

Carte de distribution de Alrhabdus johrdeae par zones géographiques


Localisations

NW Atlant (off Bahamas)

Citations

N: 1

Dimensions (mm)

Remarques

hyperbenthique (bathypélagique).

Voir aussi les remarques en anglais
Dernière mise à jour : 20/02/2015