Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Scolecitrichidae ( Famille )
            Neoscolecithrix ( Genre )
Neoscolecithrix japonica  Ohtsuka, Boxshall & Fosshagen, 2003   (F,M)
Syn.: ? Oothrix bidentata Chen & Zhang, 1965 (p.58, figs.F); Shih & Young, 1995 (p.71)
Ref.:
Ohtsuka, Boxshall & Fosshagen, 2003 (p.54, figs.F,M)
Espèce Neoscolecithrix japonica - Planche 1 de figures morphologiquesissued from : S. Ohtsuka, G.A. Boxshall & A. Fosshagen in Bull. Natn. Sci. Mus., Tokyo, Ser. A, 2003, 29 (2). [p.59, Fig.4].
Female (from Ie Island, Okinawa): A, habitus (dorsal); B, idem (lateral right side); C, Prosomal end and urosome (lateral right side); D, anal somite and left caudal ramus (ventral); E, genital double-somite (ventral); F, idem (lateral left side); G, A1 (segments 1 to 13= ancestral I-XVI); H, A1 (segments 14 to 24 = ancestral XVI-XXVIII); I, idem (terminal compound segment (= ancestral XXVII-XXVIII); J, exopod of A2 (arrowheads showing sexual differences, compare to fig.1L); K, endopod of A2 (arrowheads showing sexual differences, compare to Fig 1K); L, Md (mandibular palp, arrowheads sowing sexual differences, compare to Fig.1N); M, P5 (anterior).
Nota: A1 24-segmented. Mx1, Mx2, Mxp and P1-P4 similar to those of male. P5 with right leg longer than left leg. Anal somite almost telescoped into preceding somite. Caudal rami as ornemented as in male.


Espèce Neoscolecithrix japonica - Planche 2 de figures morphologiquesissued from : S. Ohtsuka, G.A. Boxshall & A. Fosshagen in Bull. Natn. Sci. Mus., Tokyo, Ser. A, 2003, 29 (2). [p.55, Fig.1].
Male: A, habitus (dorsal); B, idem (lateral right side); C, rostrum; D, prosomal ends and urosome (dorsal); E, idem (lateral right side); F, anal somite and right caudal ramus (ventral); G, A1; H, distal large aesthetasc on 3rd segment of A1 (ancestral V); I, spiniform element on 9th segment of A1 (ancestral XIII); J, distal compound segment of A1 (ancestral XXVII-XXVIII); K, A1; K, A2; L, exopod of A2; M, md (masticatory edge); N, Md (mandibular palp).
Nota: Gonopore posteriorly opening at left lateral corner of the genital somite. Anal somite small, almost telescoped into preceding somite dorsally. Caudal rami symmetrical, with minute seta I at midlength and seta VII ventrally near base of seta VI. A1 23-segmented.


Espèce Neoscolecithrix japonica - Planche 3 de figures morphologiquesissued from : S. Ohtsuka, G.A. Boxshall & A. Fosshagen in Bull. Natn. Sci. Mus., Tokyo, Ser. A, 2003, 29 (2). [p.57, Fig.2].
Male: A, Mx1 (praecoxa and coxa); B, Mx1 (basis and rami); C, phoront of apostome ciliate (?) on maxillulary seta; D, Mx2 (elements on 2nd coxal endite and endopod omitted); E, brush-like sensory seta on 1st coxal endite of Mx2; F, 2nd coxal endite of Mx2; G, endopod of Mx2 (asterisk and arrowhead meaning largest vermiform sensory seta illustrated in \"I\" and rudimentary element in \"H\", respectively; H, rudimentary element on endopod of Mx2; I, largest vermiform sensory seta of endopod of Mx2; J, Mxp (setae on endopod omitted); K, endopod of Mxp.


Espèce Neoscolecithrix japonica - Planche 4 de figures morphologiquesissued from: Q.-c Chen & S.-z. Zhang in Studia Marina Sinica, 1965, 7. [Pl.18, 1-2]. As Oothrix bidentata
Female (E China Sea): 1, habitus (dorsal); 2, idem (lateral left side).


Espèce Neoscolecithrix japonica - Planche 5 de figures morphologiquesissued from : S. Ohtsuka, G.A. Boxshall & A. Fosshagen in Bull. Natn. Sci. Mus., Tokyo, Ser. A, 2003, 29 (2). [p.58, Fig.3].
Male: A, P1 (anterior); B, P2 (anterior); C, P3 (anterior); D, P4 (anterior); E, P5 (anterior); F, right exopod of P5 (anterior); G, terminal exopodal segment of left P5 (anterior, arrowheads indicating minute outer spines).

Nota: P5 with right leg longer than left leg; both coxae and intercoxal sclerites fused to form common base; basis unarmed; exopod 1-segmented, right exopod approximately 1.2 times as long as left exopod, similarly ornamented, with 1outer, 1 inner and 2 terminal spines; proximal outer margin furnished with long setules (most missing, but only scars present).

NZ: 1

Carte de distribution de Neoscolecithrix japonica par zones géographiques
Loc:
SW Okinawa, China Seas (East China Sea)
N: 2
Lg.:
(889) F: 3,23, 3,33; M: 3,31-3,41; {F: 3,23-3,33; M: 3,31-3,41}
Rem.: hyperbenthique (± 335 m).
Voir aussi les remarques en anglais
Dernière mise à jour : 13/05/2016

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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2019. - Diversité et répartition géographique chez les Copépodes planctoniques marins. Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 19 mars 2019]

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