Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Tharybidae ( Famille )
            Tharybis ( Genre )
Tharybis compacta  (Grice & Hulsemann, 1970)   (F,M)
Syn.: Undinella compacta Grice & Hulsemann, 1970 (p.195, figs.F,M); Bradford-Grieve, 2004 (p.285)
Ref.:
Schulz, 1981 (p.169, 171, Rem.); Bradford & al., 1983 (p.126, Rem.: p.127); Schulz & Beckmann, 1995 (p.210); Andronov, 2002 (p.37, figs.F,M); Ferrari & Markhaseva, 2005 (p.46: tab.1)
Espèce Tharybis compacta - Planche 1 de figures morphologiquesissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p. 36, Figs.139-146]. After Grice & Hulsemann, 1970.
Female: 139-140, habitus (dorsal and lateral, respectively); 141, P5.

Male: 142-143, habitus (lateral and dorsal, respectively); 144, P5; 145, exopod of left P5; 146, distal part of right P5.


Espèce Tharybis compacta - Planche 2 de figures morphologiquesIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.220-221, Pl. XII, Figs. 228-241]. As Undinella compacta.
Female (from 39°45.2'N, 70°33.8'W): 228-229, habitus (dorsal and lateral, respectively); 230, right A1; 231, A2; 232, Md palp; 233, Md (masticatory edge); 234, Mx1; 235, Mx2; 236, Mxp; 237, P1; 238, P2; 239, P3; 240, P4; 241, P5.

Nota: - Head and 1st thoracic segment separated dorsally by fine line, 4th and 5th fused.
- Abdomen 4-segmented, anal segment very small.
- Rostrum or filaments absent.
- Posterolateral corners of 5th thoracic segment rounded with shallow indentation.
- A1 not quite reaching end of cephalothorax, 24-segmented, segments 8 and 9 fused, incompletely separated from segment 10.
- Exopod of A2 2 times the length of endopod.
- Basal segment of Md palp with 2 coarse and 1 long slender setae; endopod longer than exopod; gnathobase with 7 monocuspidate teeth and 1 thick seta.
- Mx1 with 12 spines on 1st inner lobe; 3 setae on 2nd inner lobe; 4 setae on 3rd inner lobe; 3 setae on 2nd basal segment; 2 and 5 setae on endopod; 3 setae on exopod.
- Mx2 with lobes and endopod located in distal half of appendage.
- Mxp with 2nd basal segment about as long as 1st, thickened in proximal half.
- Endopod of P1 1-segmented, of P2 2-segmented, of P3 and P4 and exopods of P1 to P4 3-segmented.
- Posterior sides of P2 to P4 with few spinules.
- P5 3-segmented; distal segment slender with 1 coarse terminal spine and 1 terminal spine-like point; distal segment, measured to the insertion of the spine, 1.5 times the length of preceding segment.


Espèce Tharybis compacta - Planche 3 de figures morphologiquesIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.222-223, Pl. XIII, Figs. 242-257]. As Undinella compacta.
Male:242,-243, habitus (dorsal and lateral, respectively); 244, left A1; 245, A2; 246, Md palp; 247, Md (masticatory edge); 248, Mx1; 249, Mx2; 250, Mxp; 251, P1; 252, P2; 253, P3; 254, P4; 255, P5; 256, exopod of left P5; 257, distal portion of right P5.

Nota: - Head and 1st thoracic segment separated dorsally by fine line, 4th and 5th fused.
- Abdomen 5-segmented, anal segment very short.
- Rostrum or filaments absent.
- Posterolateral margin of 5th thoracic segment angular with rounded tip.
- A1 reaching posterior end of 2nd abdominal segment; segments 8-10 and 20-21 fused in right A1, segments 8-10 only fused in left A1. Sensory appendages on segments 2, 3, 5, 7 and 9.
Other appendages and swimming legs as in female.
- P5 large, exceeding end of caudal rami. In right P5, 2nd and 3rd exopodal segments fused to one slender segment bearing a hump posteriorly in the distal half, terminal segment flattened; endopod lacking. In left P5 basipod large; endopod 1-segmented, about twice as long as 3-segmented exopod; terminal segment of exopod slender, with lamella reinforced by ''veins'' especially at the tip.

NZ: 1

Carte de distribution de Tharybis compacta par zones géographiques
Loc:
NW Atlant. (S off Woods Hole).
Type locality: 39°45.2' N, 70°33.8' W.
N: 2
Lg.:
(200) F: 1,28-1,16; M: 1,22-1; {F: 1,16-1,28; M: 1,00-1,22}
Rem.: hyperbenthique (1750-1822 m).
Le changement de genre ne semble pas définitivement assuré.
Voir aussi les remarques en anglais
Dernière mise à jour : 31/03/2016

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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2024. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 21 novembre 2024]

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