Arcticomisophria bathylaptevensis - Fiche d'espèce

Fiche d'espèce de Copépode

Misophrioida ( Ordre )	détails
Misophriidae ( Famille )	détails
Arcticomisophria ( Genre )	détails	Liste des espèces pour ce Genre

Arcticomisophria bathylaptevensis Martinez Arbizu & Seifried, 1996 (F)

Abréviations ou symboles

Ref.:

(

Liste des auteurs analysés )

Martinez Arbizu & Seifried, 1996 (p.286, Descr.F, figs.F)

Espèce Arcticomisophria bathylaptevensis - Planche 1 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.287, Fig.1].
Female (from laptev Sea): A, habitus (dorsal); B, idem (lateral).
Scale bar 0.1 m.

Nota : 1st pedigerous somite entirely concealed beneath carapace-like expansion extending from posterior margin of maxilliped-bearing somite ; 3rd and 4th pedigerous somites produced posteriorly. Urosome 5-segmebted; genital and 1st abdominal somites fused to form genital double somite.

Espèce Arcticomisophria bathylaptevensis - Planche 2 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.288, Fig.2].
Female: A, A1; B, rostrum and 1st antennulary segments; C, Md.
Scale bars 0.050 mm.

Nota :
Rostrum posteroventrally produced, with 2 pairs of sensillae and a median pore. Naupliar eye not observed.
A1 19-segmented.
Md : endopod 2-segmented ; exopod 5 segmented.

Espèce Arcticomisophria bathylaptevensis - Planche 3 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.289, Fig.3].
Female: A, A2; B, Mx1.
Scale bars 0.050 mm..

Nota:
A2: endopod3 -segmented; exopod 6-segmented, setal formula 0, 2,1, 1,1,3.
Mx1 : praecoxal arthrite with 7 strong spines and 7 setae, 2 of which aeise from anterior surface ; coxal endite with 6 setae terminally ; epipodite of coxa with 8 setae of unequal length ; proximal and distal basal endites with 4 setae ; endopod 1 segmented, representing fused 1st to 3rd segments ; armature divided into groups of 4 inner medial, 4 inner subterminal and 6 terminal setae : exopod 1-segmented, bearing 11 setae and long spinules on inner an douter margin.

Espèce Arcticomisophria bathylaptevensis - Planche 4 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.290, Fig.4].
Female: A, Mxp; B, Mx2; C, basis and endopodal segments of Mx2.
Scale bar 0.050 mm.

Nota:
Mx2 : praecoxa partially fused with coxa, with 2 endites, proximal one armed with 7 setae, distal with 3 setae ; coxa with 2 endites, each with 3 setae ; allobasis derived from fusion of basis and 1st endopodal segment, produced into strong, curved claw and bearing 4 setae ; rest of endopod 3-segmented, setal formula ; 2, 2, 4.
Mxp : syncoxa with 3 endites, setal formula 1, 3, 2 ; basis with 3 spinulose inner setae medially and a row of long spinules proximally ; endopod 5-segmented, setal formula 2, 2, 2, 2, 5.

Espèce Arcticomisophria bathylaptevensis - Planche 5 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.291, Fig.5].
Female: A, P1; B, P2; C, endopod 2 of left P1.
Scale bar 0.050 mm.

Espèce Arcticomisophria bathylaptevensis - Planche 6 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.292, Fig.6].
Female: A, P3; B, P4
Scale bar 0.050 mm.

Espèce Arcticomisophria bathylaptevensis - Planche 7 de figures morphologiques

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.293, Fig.7].
Female: A, caudal ramus (lateral); B, telson (dorsal); C, urosome (ventral); D, P5 and P6; E, genital field (lateral).
Scale bars 0.050 mm.

Nota : Caudal ramus with 7 setae.

issued from : P. Mattinez Arbizu & S. Seifried in Sarsia, 1996, 81. [p.294, Fig.8].
Female (paratype): A, genital field (ventral); B, same (homology of structures, 1: copulatory pore; 2: copulatory tube; 3: gland ?; 4: antrum; 5: seminal receptacle).
Scale bar 0.020 mm.

Nota: Genital field with 2 copulatory pores located at the ventromedian surface of the double somite and a T-shaped seminal receptacle.

NZ:

Carte de distribution de Arcticomisophria bathylaptevensis par zones géographiques

Loc:

(

Glossaire géographique )

Arct. (Laptev Sea)

Lg.:

(

Références des auteurs concernant les dimensions )

(608) F: 0,59-0,52; {F: 0,52-0,59}

Rem.:

hyperbenthique (3237 m)

Dernière mise à jour : 20/01/2016