Heterorhabdus heterolobus - Fiche d'espèce - Copépodes planctoniques marins

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Heterorhabdus heterolobus Park, 2000 (F,M)

Abréviations ou symboles

Syn.:

Heterochäta spinifrons (F) : Giesbrecht, 1892 (p.372, 382, figs.F, no M)

Ref.:

(

Liste des auteurs analysés )

Park, 2000 (p.95, figs.F,M, Rem.)

Espèce Heterorhabdus heterolobus - Planche 1 de figures morphologiques

issued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.215, Fig.63].
Female: a, b, urosome (left, dorsal, respectively); c, d, e, genital somite (left, right, ventral, respectively).

Male: f, P5 (anterior); g, second exopodal segment of left P5 (anterior); h, exopod of right P5 (posterior); i, basipod of right P5 (anterior); j, basipod of left P5 (anterior); k, distal end of exopod of right P5 (lateral).

Espèce Heterorhabdus heterolobus - Planche 2 de figures morphologiques

Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 39, Figs.42, 43]. As Heterochäta spinifrons.
Female: 42, genital segment (lateral, right side); 43, habitus (dorsal).
Nota: Ab 1-2 = urosomal metameres 1+2 fused.

Espèce Heterorhabdus heterolobus - Planche 3 de figures morphologiques

Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 39, Figs.52, 54]. As Heterochäta spinifrons.
Female: 52, head (lateral); 54, forehead (ventral.
Nota: R = rostrum with filamentsl).

Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. - Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 20 , Fig.1]. As Heterochäta spinifrons.
Female:: 1, distal part of A1 (ventral view).

Espèce Heterorhabdus heterolobus - Planche 5 de figures morphologiques

Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. - Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 20 , Fig.9]. As Heterochäta spinifrons.
Female: 9, A2 (anterior view).

Espèce Heterorhabdus heterolobus - Planche 6 de figures morphologiques

Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. - Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 20 , Fig.24]. As Heterochäta spinifrons.
Female: 24, exopod of P1.

Heterorhabdus heterolobus female:
1 - See key to species groups of Heterorhabdus: ''spinifrons'' Group (p.90, 91).
2 - Forehead with a spiniform process.
3 - Anterior wall of genital proninence without lobes (Fig.63-e).
4 - Dorsally, genital somite relatively short, with smoothly bulging lateral margins (Fig.63-b). Mx1 with 1 seta on basis and 3 sete on endopod.
5- Laterally, genital prominence short of reaching posterior end of somite, with posterior lobes (Fig.63-a, c, d).

Heterorhabdus heterolobus male:
1 - See key to species groups of Heterorhabdus: ''spinifrons'' Group (p.90, 91).
2 - Forehead with a spiniform process.
3 - In right P5, basal inner lobe relatively long and somewhat fingerlike, medial projection of 2nd exopodal segment (Fig.63-h) with small terminal spiniform process and relatively well developed distal lobe.
4 - Basal inner lobe of right P5 (Fig.63-g) almost as long as segment, pointing distomediad. Endopod of Mx1 with 3 seta.
5 - 2nd exopodal segment of left P5 (Fig.63-j) with outer spine about as long as conical process. Terminal spine of 3rd exopodal segment of right P5 about 1/3 length of segment (Fig.63).
6 - Lateral margin of 3rd exopodal segment of right P5 (Fig.63-h) only moderately elbowed elbowed about 1/5 length of segment from distal end.
7 - Basal inner lobe of right P5 (Fig.63-f) with a shallow notch on lateral margin; in 3rd exopodal segment of right P5 (Fig.63-h), lateral margin only slightly elbowed about 1/5 length of segment from distal end, and distal lobe relatively short (Fig.63-k). In 2nd exopodal segment of left P5 (Fig.63-g), outer spine about as long as conical process.

NZ:

Carte de distribution de Heterorhabdus heterolobus par zones géographiques

Loc:

(

Glossaire géographique )

Indonesia-Malaysia, Pacif. (equatorial central: E-W, S-N), off Columbia

Type locality: 02°57'N, 80°49'W.

Lg.:

(

Références des auteurs concernant les dimensions )

(46) M: 2,95; (824) F: 3,56-3,16; M: 3,28-2,96; {F: 3,16-3,56; M: 2,95-3,28}

Rem.:

"Spinifrons" Group.
Voir aussi les remarques en anglais

Dernière mise à jour : 06/01/2015