Species Card of Copepod
Calanoida ( Order )
    Arietelloidea ( Superfamily )
        Nullosetigeridae ( Family )
            Nullosetigera ( Genus )
Nullosetigera mutata  (Tanaka, 1964)   (F)
Syn.: Phyllopus mutatus Tanaka, 1964 c (p.241, Descr.F, figs.F); Shih & Young, 1995 (p.67); Chihara & Murano, 1997 (p.863, Pl.143: F);
Soh & al., 1999 (p.1592, Redescr.F, figs.F, phylogenetic relationships); Boxshall & Halsey, 2004 (p.150; p.149: figs.F)
Species Nullosetigera mutata - Plate 1 of morphological figuresissued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1964, XII (3). [p.241, Fig.226]. As Phyllopus mutatus.
Female (from Suruga Bay, Japan): a, habitus (dorsal); b, last thoracic segment and urosome (left lateral side); c, last thoracic segment and genital somite (right lateral side); d, genital somite (ventral); e, P5.
Nota: Cephalothorax 1.88 mm; abdomen 0.81 mm.
Last thoracic segment asymmetrical; left side more produced posteriorly with a point at the apex, and 2 minute spinules on the postero-ventral margin; the right side is narrowly rounded.
Abdominal segments and caudal rami in the proportional lengths 48 : 13 : 13 : 18 : 18 = 100.
A1 24-segmented, reaches back to the distal margin of the end of cephalothorax when fully extended.
Caudal rami 1.6 times as long as wide.

Species Nullosetigera mutata - Plate 2 of morphological figures issued from : H.Y. Soh, S. Ohtsuka, H. Imabayashi & H.-L. Suh, 1999, 33. [p.1593, Fig.7];
Female (from S Japan): A-B, habitus (dorsal and lateral, respectively); C, last pedigerous somite (right lateral view); D, Mx1; E, Mxp (homologous setation elements on 6th endopodal segment indicated by letters c and d); F, P5.

NZ: 2

Distribution map of Nullosetigera mutata by geographical zones
Japan (Suruga, off Kuchierabu Is.), China Seas (South China Sea)
N: 2
(120) F: 2,69; (769) F: 2,56; {F: 2,56-2,69}
Rem.: Mesopelagic-?.
For Tanaka (1964, p.42) the specimen comes near to N. integer and N. helgae.
Last update : 24/01/2015
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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 21, 2024]

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Marine Planktonic Copepods

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