Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Aetideidae ( Famille )
            Paracomantenna ( Genre )
Paracomantenna minor  (Farran, 1905)   (F,M)
Syn.: Bryaxis minor Farran, 1905 (p.32, Descr.F, figs.F); Pearson, 1906 (p.12); Rose, 1933 a (p.102, figs.F); Vervoort, 1952 b (n°43, p.3, figs.F).
Ref.:
Campaner, 1978 (p.876, Rem.); Bradford & Jillett, 1980 (p.63); Alvarez, 1986 (p.858, 875); Markhaseva, 1996 (p.238, figs.F); Markhaseva & Renz, 2019 (p.213, p.215: Table 1, p.223: Rem.: male).
Espèce Paracomantenna minor - Planche 1 de figures morphologiquesissued from : G.P. Farran in Ann. Rep. Fish. Brch., Ireland, 1902-1903, II, App. 2, 1905. [Plate IV, Figs.1-12]. As Bryaxis minor.
Female (from W Ireland): 1-2, habitus (lateral and dorsal, respectively); 4, A2; 5, exopod of A2; 7, Mx1; 8, Mx2; 9, Mxp; 10-12, P1 to P3.


Espèce Paracomantenna minor - Planche 2 de figures morphologiquesissued from : G.P. Farran in Ann. Rep. Fish. Brch., Ireland, 1902-1903, II, App. 2, 1905. [Plate IV, Figs.3]. As Bryaxis minor
Female: 3, A1.


Espèce Paracomantenna minor - Planche 3 de figures morphologiquesissued from : M.P.J. Alvarez in J. Crustacean Biol., 1986, 614. [p.874, Figs.91-93]. After Farran (1905).
Female: 91, A2; 92, Mx2; 93, Mxp.


Espèce Paracomantenna minor - Planche 4 de figures morphologiquesissued from : E.L. Markhaseva & S.B. Schnack-Schiel in Ophelia, 2003, 57 (2). [p.113, Figs.22-26].
Female (from 29°-30°N, 28°-28°30'W): 22-23, habitus (dorsal and left lateral, respectively); 24, genital segment (ventral); 25, A1 (segments 1-17); 26, A1 (segments 17-24).
Scale bars: 0.1 mm.

Nota : Prosome-urosome ratio : 3.9. Cephalosome and 1st pedigerous somite fused, 4th and 5th incompletely fused (suture is visible in lateral view). Rostrum absent. A1 24-segmented. Spermathecae elongate and curve anteriorly. Posterior corners of 5th pedigerous somite pointed and curved dorsally Caudal rami with 4 terminal, 1 ventral and 1 short lateral setae.


Espèce Paracomantenna minor - Planche 5 de figures morphologiquesissued from : E.L. Markhaseva & S.B. Schnack-Schiel in Ophelia, 2003, 57 (2). [p.114, Figs.27-33].
Female: 27, A2; 28, Md (mandibular palp); 29, Md (gnathobase); 30, 1st and 2 nd basal endites, endopod and exopod of Mx1; 31, praecoxal arthrite, coxal endite and coxal epipodite of Mx1; 32, praecoxal and coxal endites of Mx2; 33, basal endite plus exopod of Mx2.
Scale bars: 0.1 mm.

Nota : Coxa of A2 with a small seta ; basis with 2 setae ; 1st segment of exopod without seta, segments 2-6 with 1 seta each, segment 7 with 3 terminal setae ; endopodal segment 1 with 2 setae distally, segment 2 with 5 plus 5 setae. Mandibular palp basis with 1 small seta ; 1st endopodal segment with 1 seta, 2nd segment with 4 terminal setae ; cutting edge of gnathobase with 5 teeth and 1 articulated seta. Mx1 praecoxal arthrite with 9 terminal, 4 posterior and 1 anterior setae ; coxal endite with 4 setae ; 1st and 2 nd basal endites with 3 setae each ; endopod with 12 setae ; exopod with 11 seta ; coxal epipodite with 5 large, 2 medium-sized and 2 tiny setae. Mx2 praecoxal and proximal coxal endites with 1 seta and 2 strongly sclerotized spine-like setae ; praecoxal and coxal endites with surface robust short spines ; basal endite with a strong spine supplied with large teeth and 2 setae ; exopod with 6 setae.


Espèce Paracomantenna minor - Planche 6 de figures morphologiquesissued from : E.L. Markhaseva & S.B. Schnack-Schiel in Ophelia, 2003, 57 (2). [p.115, Figs.35-38].
Female: 34, Mxp (syncoxa); 35-38, P1 to P4.
Scale bars: 0.1 mm.

Nota : Mxp syncoxa with 1 seta on proximal lobe, 2 setae on middle lobe, 3 setae on distal lobe and coxal lobe with a group of 3 setae plus a digitiform sensory appendage ; basis with 3 setae in proximal half of the segment and 2 setae distally ; endopod 5-segmented with 4, 4, 4, 3 + 1 and 4 setae, respectively.


Espèce Paracomantenna minor - Planche 7 de figures morphologiquesissued from : E.L. Markhaseva & S.B. Schnack-Schiel in Ophelia, 2003, 57 (2). [p.117, Figs.39-46].
Male: 39-40, habitus (dorsal and left lateral, respectively); 41, forehead (ventral view); 42-43, prosomal posterior corners (left lateral and dorsal, respectively); 44, A1 (segments 1-17); 45, A1 (segments18-23); 46, A2.
Scale bars: 0.1 mm.

Nota : Rostrum absent. A1 23-segmented, reaching4th-5th pedigerous somite. Prosome :urosome ratio 3.0-3.2. Cephalosome and 1st pedigerous somite fused, 4th and 5th incompletely separated. Caudal rami with 4 large terminal, 1 small lateral and 1 ventral setae. Coxa of A2 with a setal element (broken) ; basis with 2 strong setae ; endopod enlarged compared with that of the female ; exopod 6-indistinctly segmented (2nd and 3rd segments articuled in females are fused in males) , 1st segment without seta, 2nd with 2 setae, 3rd to 5th with 1 seta each, 6th segment with 3 terminal setae ; 1st endopodal segment with 1 seta distally, 2nd segment with 4 plus 6 setae.


Espèce Paracomantenna minor - Planche 8 de figures morphologiquesissued from : E.L. Markhaseva & S.B. Schnack-Schiel in Ophelia, 2003, 57 (2). [p.118, Figs.47-51].
Male: 47, Md (mandibular palp); 48, Mx1; 49, Mxp; 50, P1; 51, P5.
Scale bars: 0.1 mm.

Nota : Mandibular gnathobase is very reduced. Mx1 very reduced, only endopod and exopod bear setae ; endopod with wit 5 small setae ; exopod with 10 setae.Mx2 very reduced to a small lobe lacking setae. Mxp syncoxa without setae ; basis with 1 seta at about middle length and 1 distal seta ; endopod 5-segmented with 3, 3, 2, 2 + 1, and 4 setae. P1 endopod outer lobe less well developed compared with the female. Left P5 5-segmented, distal segment elongate, its proximal (basal) part is lobe-like with terminal hairs and distal part is covered with hairs along its border ; right P5 4-segmented, distal segment elongate and spine-like terminally.

Rem : Mxp syncoxa with digitiform appendage on coxal lobe for the stage V (as in adult female ; endopod 5-segmented with 3, 3, 2, 2 + 1, and 4 setae, respectively.


Espèce Paracomantenna minor - Planche 9 de figures morphologiquesParacomantenna minor female:
1 - Distal part of Mxp protopodite without tube-like.


Espèce Paracomantenna minor - Planche 10 de figures morphologiquesIssued from : E.L. Markhaseva & J. Renz in Arthropoda Selecta, 2019, 28 (2). [p.215, Table 1].
Selected morphological characters of P. minor female.
Compare with others Paracomantenna species female.

Ref. compl.:
Holmes, 2001 (p.50); Bradford-Grieve, 2004 (p.284).
NZ: 1

Carte de distribution de Paracomantenna minor par zones géographiques
Loc:
off W Ireland, off Canary Is. (Great Meteor Seamount: 29-30°N, 28-29°W).

Type locality: 53°58'N, 12°28'W.
N: 4
Lg.:
(58) F: 1,6; (890) F: 1,45-1,6 ; M: 1,2-1,25; {F: 1,45-1,60; M: 1,20-1,25}
Rem.: hyperbenthique (300-537 m).
Björnberg & al. (1981, p.605) signalent cette espèce en Atlant. SW, qui n'est plus citée dans leur clé d'identification (je n'ai pu retrouver (CR) d'autres références de cette forme dans cette région)
Voir aussi les remarques en anglais
Dernière mise à jour : 14/02/2020

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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 09 décembre 2021]

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