Species Card of Copepod
Calanoida ( Order )
    Arietelloidea ( Superfamily )
        Nullosetigeridae ( Family )
            Nullosetigera ( Genus )
Nullosetigera aequalis  (Sars, 1920)   (F,M)
Syn.: Phyllopus aequalis Sars, 1920 c (p.20, Rem.F); 1925 (p.344, Descr.F, figs.F); Rose, 1933 a (p.247, figs.F); Sewell, 1948 (p.505); 514, 517, 519, 526, 548, 549, 559, 567); C.B. Wilson, 1950 (p.286, Descr.M, figs.M); De Decker & Mombeck, 1964 (p.13); Grice & Hulsemann, 1967 (p.19); Carter, 1977 (1978) (p.36); Stephen & Rao, 1980 (p.245, tab.II); Shih & Young, 1995 (p.67); Bradford-Grieve & al., 1999 (p.884, 950, figs.F); Vives & Shmeleva, 2007 (p.386, figs.F,M, Rem.)
Ref.:
Soh & al., 1999 (p.1583); Boxshall & Halsey, 2004 (p.150)
Species Nullosetigera aequalis - Plate 1 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.CXXIV, figs.7-9]. As Phyllopus aequalis.
Female: 7, habitus (dorsal); 8, P5; 9, genital segment and adjacent segments.


Species Nullosetigera aequalis - Plate 2 of morphological figuresissued from : C.B. Wilson in U.S. National Museum. Bull.100, 14 (4), 1950. [Pl.27, Figs.394-396]. As Phyllopus aequalis.
Male (from Philippines): 394, left A1; 395, P5; 396, habitus (dorsal).

NZ: 5

Distribution map of Nullosetigera aequalis by geographical zones
Loc:
South Africa (E), W Gibraltar, Natal, Indian (W & SW), Philippines (Sulu Sea, Luzon), China Seas (South China Sea)
N: 6
Lg.:
(1) F: 3; (137) F: 3; M: 2,9; {F: 3,00; M: 2,90}
Rem.: mesopelagic.
For C.B. Wilson (1950, p.288) the females of N. aequalis and N. giesbrechti show similarities enough alike to make their separation difficult, but the males exhibit enough dissimilarity to make their separation imperative. This is an instance where both sexes are necessary to make satisfactory specific identification.
Last update : 24/01/2015
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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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Marine Planktonic Copepods

Marine Planktonic Copepods

 

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