Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Phaennidae ( Family )
            Brachycalanus ( Genus )
Brachycalanus sp.  Bradford-Grieve, 2004   (F)
Ref.:
Bradford-Grieve, 2004 b (p.641, figs.F)
Species Brachycalanus sp. - Plate 1 of morphological figuresissued from : J.M. Bradford in N.Z. Jl Mar. Freshw. Res., 2004, 38 (4). [p.642, Fig.14].
Female (from SE North Island, New Zealand): A, habitus (dorsal); B, forehead (lateral view)); C, urosome (lateral right side); D, urosome (ventral, flattened); E, rostrum (anterior view); F, P5 (posterior view).

Nota: Head and 1st thoracic segment separate, 4th and 5th fused (in dorsal view there is some sign of a fusion line). Urosome of 4 segments (covered in small scale-like spinules. Anal segment small.


Species Brachycalanus sp. - Plate 2 of morphological figuresissued from : J.M. Bradford in N.Z. Jl Mar. Freshw. Res., 2004, 38 (4). [p.643, Fig.15].
Female (from SE North Island, New Zealand): A, A1; B, A2; C, Md; D, Mx1; E, Mx2; F, endopod of Mx2; G, Mxp. Nota: A1 24-segmented, but last 2 segments missing on right side and last 16 segments missing on left, extending to beyond posterior border of pedigerous somite 1


Species Brachycalanus sp. - Plate 3 of morphological figuresissued from : J.M. Bradford in N.Z. Jl Mar. Freshw. Res., 2004, 38 (4). [p.644, Fig.16].
Female (from SE North Island, New Zealand): A, P1 (posterior view); B, P1 (posterior); C, P2 (posterior); D, P2 (anterior); E, P3 (anterior); F, P3 (posterior); G, P4 (anterior); H, P4 (posterior).
B-H: swimming legs incomplete.

NZ: 1

Distribution map of Brachycalanus sp. by geographical zones
Loc:
New Zealand (SE North Island)
N: 1
Lg.:
(897) F: 2,97; {F: 2,97}
Rem.: hyperbenthic (depth: 452 m).
The female is damaged but distinguishes from B. ordinarius, and differs from all the previously described species (see P1 and P5).
Last update : 30/12/2014
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2022. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed January 28, 2022]

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