Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Tharybidae ( Famille )
            Undinella ( Genre )
Undinella hampsoni  Grice & Hulsemann, 1970   (F,M)
Ref.:
Grice & Hulsemann, 1970 (p.196, figs.F,M); Bradford & al., 1983 (p.127); Andronov, 2002 (p.72, figs.F,M)
Espèce Undinella hampsoni - Planche 1 de figures morphologiquesissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.73, Figs.424-438]. After Grice & Hulsemann, 1970.
Female (from NW Atlantic): 424, habitus (lateral); 425-427, posterior part of prosome and urosome (dorsal and lateral); 428, genital segment (ventral); 429, rostrum; 430, Mx1; 431, Mx2; 432, P1433, P5.

Male: 434-435, habitus (dorsal and lateral, respectively); 436, 438, P5 (different posture); 437, P5 without left exopod and right endopod.


Espèce Undinella hampsoni - Planche 2 de figures morphologiquesIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.224-225, Pl. XIV, Figs. 258-272].
Female (from 39°45.2'N, 70°33.8'W): 258, habitus (lateral); 259, 2nd to 5th thoracic segments and urosome (left side); 260, 5th thoracic segment and genital segment (ventral); 261, 4th and 5th thoracic segments and urosome (right side); 262, 4th and 5th thoracic segments and urosome (dorsal); 263, forehead (lateral); 264, rostrum; 265, A1; 266, A2; 267, Md palp; 268, Md (masticatory edge); 269, Mx1; 270, Mx1 (other side; spines on 1st inner lobe omitted); 271, Mx2; 272, 4th lobe of Mx2 (other side).

Nota: - Head and 1st thoracic segment partially separate, 4th and 5th partially separate.
- Abdomen 4-segmented, anal segment small.
- Rostrum bifurcate, each side bearing a slender filament.
- Posterolateral corners of cephalothorax asymmetrical; in dorsal view, right side with fingerlike protrusion, left side more evenly rounded.
- Genital segment with prominent bulge on dorsal side near posterior end.
- A1 reaching to middle of abdomen, 24-segmented; aesthetascs more numerous proximally.
- Exopod of A2 about twice the length of endopod.
- Exopod of Md reduced; basal segment with 2 setae; gnathobase with coarse cuspidate and spiniform teeth.
- Mx1 with enlarged 1st inner lobe; 2 and 4 setae on 2nd and 3rd inner lobes respectively; 4 setae on 2nd basal segment; 6 setae on endopod; 2 setae on exopod; 6 setae on 1st outer lobe.
Lobes (= endites) on Mx2 arise from distal end.
- Mxp with 2nd segment elongate.
- Exopod of P1 2-segmented, of P2 to P4 3-segmented. Endopod of P1 1-segmented, of P2 2-segmented, of P3 and P4 3-segmented.
P5 asymmetrical. Right P5 longer than left and reaching beyond genital segment; Terminal segment of right leg twice the length of the preceding segment. Distal segment of both legs each with 1 lateral and 3 terminal spines.


Espèce Undinella hampsoni - Planche 3 de figures morphologiquesIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.226-227, Pl. XV, Figs. 273-280].
Female: 273, Mxp; 274, P1; 275, P1 endopod (anterior view); 276, P2 ( anterior; exopod of left leg omitted, one endopod normal); 277, P3; 278, P4; 279, terminal spine of P4; 280, P5 (posterior view).


Espèce Undinella hampsoni - Planche 4 de figures morphologiquesIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.226-227, Pl. XV, Figs. 281-285].
Male: 281-282, habitus (dorsal and lateral, respectively); 283, P5 (from left); 284, P5 (another view); 286, right P5.

Nota: - Head and 1st thoracic segment fused, 4th and 5th fused.
- Abdomen 5-segmented, anal segment very small.
- Right A1 22-segmented, segments 8-10, 20 and 21 fused. left A1 23-segmented, segments 8-10 fused.
- Rostrum, mouth appendages, and segmentation of P1 to P4 as in female.
- P5 asymmetrical, complex; Right leg uniramous, 2-segmented. left exopod 3-segmented, terminal segment with group of setae. Distal protuberance of 2nd segment provided with hair and a raised , rounded process.

Ref. compl.:
Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Bradford-Grieve, 2004 (p.285)
NZ: 2

Carte de distribution de Undinella hampsoni par zones géographiques
Loc:
S off Woods Hole, Sargasso Sea, off Bermuda: Station ‘’ S’’ (32°10’N, 64°30’W).

Type locality: 39°45.2' N, 70°33.8' W.
N: 2
Lg.:
(200) F: 2,12-1,9; M: 2; 1,98; {F: 1,90-2,12; M: 1,98-2,00}
Rem.: hyperbenthique
Voir aussi les remarques en anglais
Dernière mise à jour : 09/03/2015

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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2021. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 02 décembre 2021]

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