Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Chiridiella ( Genus )
Chiridiella brooksi  Deevey, 1974   (F, juv.M)
Ref.:
Deevey, 1974 (p.444, figs.F, juv.M); Markhaseva, 1996 (p.92, figs.F)
Species Chiridiella brooksi - Plate 1 of morphological figuresissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.94, Fig.69].
Female: Mx1, Mx2, Mxp & P1 (specimen from off SE Hawaii); other figures from Deevey (1974) from Sargasso Sea.


Species Chiridiella brooksi - Plate 2 of morphological figuresissued from : G.B. Deevey in Bull. Mar. Sc., 1974, 24 (2). [p.443, Fig.1].
Female (32°10'N, 64°30'W): a, A1; b-c, habitus (dorsal and lateral, respectively); d, Md; e, Mxp (endopod setae not shown); f, A2; g, Mx1.
Scale at left center for parts a-e; at lower right for parts d-g. Scales in mm.
Head and 1st thoracic segment separate. Urosome about 84 % of cephalothorax length. A1 23-segmented, approximately to end of caudal setae. Endopod of A2 about 2/3 the length of exopod. Mx2 short and stumpy. 1st basipod segment of Mxp with a distal protrusion bearing 1 plumose seta.


Species Chiridiella brooksi - Plate 3 of morphological figuresissued from : G.B. Deevey in Bull. Mar. Sc., 1974, 24 (2). [p.444, Fig.2].
Female: b, P2; c, P3; d, P4; e, P1; f, Mx2.

Immature Male: a, habitus (lateral)


Species Chiridiella brooksi - Plate 4 of morphological figuresissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.94, Fig.69].
Female: Mx2,


Species Chiridiella brooksi - Plate 5 of morphological figures
Chiridiella brooksi female:
1 - Mx2 with 5 endites.
2 - Mx2 strongly modified in comparison with typical; first-fifth endites of varying size; Setation is not typical, some number of setae on third-fifth endites transformed into pincers-like spines.
3 - Setae of third and fourth endites of Mx2 arranged like pincers.
4 - Exopod of P1 with 1 external spine. A1 longer than body.


Species Chiridiella brooksi - Plate 6 of morphological figuresChiridiella brooksi female ;
1 - 3rd and 4th lobes of Mx2 each with pincer arrangement.
2 - A1 longer than body.
3 - Mx2 short and stumpy.
4 - P1 exopod with 1 edge spine.

Compl. Ref.:
Deevey & Brooks, 1977 (p.256, tab.2, Station "S")
NZ: 2

Distribution map of Chiridiella brooksi by geographical zones
Loc:
off Bermuda: Station "S" (32°10'N, 64°30'W), off SE Hawaii
N: 3
Lg.:
(224) F: 2,8-2,7; {F: 2,70-2,80}
Rem.: meso & bathypelagic. Sargasso Sea: 500-1500 m (Deevey & Brooks, 1977, station "S")
Last update : 26/07/2018
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed February 24, 2021]

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