Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Batheuchaeta ( Genus )
Batheuchaeta anomala  Markhaseva, 1981   (F,M)
Markhaseva, 1981 (p.1155, Descr.F, figs.F); 1986 a (p.839, Descr.M, figs.M); 1996 (p.51, figs.F,M)
Species Batheuchaeta anomala - Plate 1 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.52, Fig.33].
Female (from Markhaseva, 1981) and Male (from Markhaseva, 1986).

Species Batheuchaeta anomala - Plate 2 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1986, LXV, 6. [p.842, Fig.1].
Male (from 43°38'-45°43'N, 149°23'-153°45'E): 1, habitus (dorsal); 2, tostrum (frontal view); 3, posterior prosome and urosome (dorsal); 4, P1; 5, endopod of P1; 6, P2; 7, P3 (incomplete); 8 , right P5; 9, left P5

Species Batheuchaeta anomala - Plate 3 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1981, LX, 8. [p.1157, Fig.4].
Female (from 45°28(N, 155°04'E): 1-2, habitus (dorsal and lateral, respectively); 3, forehead (lateral); 4, rostrum; 5-8, last thoracic segment and genital segment (dorsal, right and left lateral, ventral, respectively); 9, genital field; 10-11, genital segment and genital field (ventral; another individual); 12, A1; 13, endopod of P1.

Nota: Rostrum rudimentary.

Species Batheuchaeta anomala - Plate 4 of morphological figuresBatheuchaeta anomala female:
1 - Genital segment asymmetrical with protuberancce on the right side.
2 - Left side of last thoracic segment without pocket-like projection.
3 - Genital segment with undivided projections on both sides.
4 - Posterior corners of last thoracic segment with lobes (lateral view). Genital segment with projection on the right side.
5 - Genital field asymmetrical. Denticles at endopod segment of P1 external lobe arranged in row along its distal border.

Species Batheuchaeta anomala - Plate 5 of morphological figuresBatheuchaeta anomala male:
1 - Exopodal 2 of P2 anterior surface with a row of minute denticles near the base of external spine. Denticles of endopod of P1 external lobe arranged apically.
2 - Left endopod of P5 with excavation, bilobated.
3 - Left endopod of P5 excavation deep, dividing endopod plate into 2 long widely spaced horns.

NZ: 1

Distribution map of Batheuchaeta anomala by geographical zones
Kuril-Kamchatka, Aleutian Is.

Type locality: 45°28'N, 155°04'E.
N: 3
(37) M: 4,2-4,05; (210) F: 4,8-4,7; {F: 4,70-4,80; M: 4,05-4,20}
Rem.: abyssopelagic.
Last update : 29/12/2014
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 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed May 25, 2024]

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Marine Planktonic Copepods

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