Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Batheuchaeta ( Genus )
Batheuchaeta gurjanovae  (Brodsky, 1955)   (F,M)
Syn.: Pseudochirella gurjanovae Brodsky, 1955 a (p.189, Descr.M, figs.M);
Batheuchaeta brodskyi Markhaseva, 1981sides (p.1152, Descr.F, figs.F)
Ref.:
Markhaseva, 1986 a (p.841, figs.M); 1996 (p.53, figs.F,M)
Species Batheuchaeta gurjanovae - Plate 1 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.55, Fig.35].
Female (from 45°48'-43°48'N, 153°33'-149°56'E). Ce: forehead; Ri: endopod; Gn: genital somite; Abd: urosome.

Nota: Genital segment asymmetrical, with a small projection densely covered anteriorly with hair-like setae; genital segment as long as 3 following segments together. Genital field symmetrical.


Species Batheuchaeta gurjanovae - Plate 2 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.56, Fig.36].
Male (from Markhaseva, 1986). Ri1P1: endopod2 of P1; Re1-Re2P2: endopod and exopod 1-2 of P2; R: rostrum (dorsal).


Species Batheuchaeta gurjanovae - Plate 3 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.56, Fig.37].
Male (from Brodsky, 1955): P5 (fifth leg). Ri: endopod.


Species Batheuchaeta gurjanovae - Plate 4 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1986, LXV, 6. [p.843, Fig.2]. Male: 2, endopod of P1.


Species Batheuchaeta gurjanovae - Plate 5 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1981, LX, 8. [p.1154, Fig.2].
Female (from 44°20'N, 150°53'E): 1-2, habitus (dorsal and lateral, respectively); 3, forehead (lateral); idem (ventral); 5-8, posterior prosome and genital segment (dorsal, left lateral, right lateral and ventral, respectively); 9-10, corners of last thoracic segment (lateral); 11, genital field.


Species Batheuchaeta gurjanovae - Plate 6 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1981, LX, 8. [p.1153, Fig.1].
Female: 1, A2; 2, Md (mandibular palp); 3, Md (gnathobase); 4 a-b, Mx1; 5, Mx2; 6, Mxp; 7,distal part of proptopodite of Mxp; 8, P1; 9, endopod of P1; 10, P2; 11, P3; 12, P4.

Nota : Genital segment asymmetrical, right side with anterior protrusion covered by hairs.. Genital field symmetrical.


Species Batheuchaeta gurjanovae - Plate 7 of morphological figuresBatheuchaeta gurjanovae female:
1 - Genital segment asymmetrical with a small projection anteriorly on the right side.
2 - Left side of last thoracic segment without pocket-like projection.
3 - Genital segment with undivided projection on the right side.
4 - Posterior corners of last thoracic segment with lobes (lateral view). Genital segment with projection on the right.
5 - Genital field symmetrical. Denticles at endopod segment of P1 external lobe arranged near external border.


Species Batheuchaeta gurjanovae - Plate 8 of morphological figuresBatheuchaeta gurjanovae male:
1 - Exopodal segments 1 and 2 of P2 anterior surfaces with a row of minute denticles near the base of external spine. Denticles of endopod of P1external lobe arranged along its external border.

NZ: 2

Distribution map of Batheuchaeta gurjanovae by geographical zones
Loc:
Kuril-Kamchatka, Aleutian Is., Izu-Bonin Trench
N: 3
Lg.:
(37) M: 3,9; (210) F: 4,5-4,1; {F: 4,10-4,50; M: 3,90}
Rem.: abyssopelagic.
Last update : 29/12/2014
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Razouls C., de Bovée F., Kouwenberg J. and Desreumaux N., 2005-2020. - Biology, Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 26, 2020]

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