Species Card of Copepod
Calanoida ( Order )
    Arietelloidea ( Superfamily )
        Augaptilidae ( Family )
            Euaugaptilus ( Genus )
Euaugaptilus gibbus  (Wolfenden, 1904)   (F,M)
Syn.: Augaptilus gibbus Wolfenden, 1904 (p.122); 1911 (p.337, figs.F); Pearson, 1906 (p.28); Farran, 1908 b (p.75, Rem.F)
Ref.:
Sars, 1925 (p.300, figs.F,M); Rose, 1933 a (p.230, figs.F,M); Lysholm & al., 1945 (p.38); Sewell, 1947 (p.198, 199, 200, 201); 1948 (p.504); Vervoort, 1965 (p.142, Rem.); Matthews, 1972 (p.31); Park, 1993 (p.25, figs.F, Rem.); Bradford-Grieve & al., 1999 (p.882, 939, figs.F,M); Vives & Shmeleva, 2007 (p.198, figs.F,M, Rem.)
Species Euaugaptilus gibbus - Plate 1 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.CIV, figs.1-16].
Female: 1, habitus (dorsal); 2, idem (lateral left side); 3, forehead (lateral); 4, rostrum; 5, A2; 6, Md; 7, Mx1; 8, Mx2; 9, Mxp; 10, P1; 11, P2; 12, P3; 13, P5; 14, posterior part of urosome.

Male: 15, left A1; 16, P5.


Species Euaugaptilus gibbus - Plate 2 of morphological figuresissued from : T. Park in Biology of the Antarctic Seas, XXII. Antarct. Res. Ser., Washington, 58. [p.26, Fig.17].
Female: a-b, habitus (dorsal and lateral, respectively); c-d, urosome (lateral and dorsal, respectively); e, A2; f, Md; g, Md (biting edge); h, Mx1.
Nota: Urosome about 29 % length of prosome. Genital segment about 43 % length of urosome


Species Euaugaptilus gibbus - Plate 3 of morphological figuresissued from : T. Park in Biology of the Antarctic Seas, XXII. Antarct. Res. Ser., Washington, 58. [p.27, Fig.18].
Female: a, Mx2; b, Mxp; c-g, P1 to P5 (anterior views).


Species Euaugaptilus gibbus - Plate 4 of morphological figuresissued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [p.338, Fig.72]. As Augaptilus gibbus.
Female (from off SE Ascension Is.): a, forehead (lateral); b, Md; c, Mx1; d, A2.


Species Euaugaptilus gibbus - Plate 5 of morphological figuresissued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [Pl.XXXVII, Figs.2-3]. As Augaptilus gibbus.
Female: 2, habitus (dorsal); 3, P1.


Species Euaugaptilus gibbus - Plate 6 of morphological figuresissued from : J. Mauchline in J. mar. biol. Ass, U.K., 1977, 57 (4). [p.980, Fig.4, C].
Integumental organs (right halves of 1st and 2nd thoracic segments).


Species Euaugaptilus gibbus - Plate 7 of morphological figuresissued from : J.M. Bradford-Grieve, E.L. Markhaseva & C.E.F. Rocha & B. Abiahy in South Atlantic Zooplankton, Edit. D. Boltovskoy. 1999. Vol.2. Copepoda. [p.1037, Fig. 7.250].
Female: Mx1.

Nota: Exopod of Mx1 with 4 setae; outer lobe 1 with 3 setae.

Compl. Ref.:
C.B. Wilson, 1950 (p.205); De Decker & Mombeck, 1964 (p.12); Roe, 1972 (p.277, tabl.1, tabl.2); Deevey & Brooks, 1977 (p.156, tab.2, Station "S"); Vives, 1982 (p.294); Roe, 1984 (p.359); Razouls & al., 2000 (p.343, Appendix); Holmes, 2001 (p.11); Park & Ferrari, 2009 (p.143, Table 5, Appendix 1, biogeography); Matsuura & al., 2010 (p.2098, Table 3, figs.7, 8)
NZ: 9

Distribution map of Euaugaptilus gibbus by geographical zones
Loc:
sub-Antarct. (Indian, SE Pacif.), South Africa (E), off N St. Helena Is., Atlant. (tropical & temperate), G. of Guinea, off W Canary Is., off Madeira, off Portugal, Morocco-Mauritania, Azores, Bay of Biscay, W Gibraltar, off W Cabo Finisterre, off SW Ireland, off Bermuda (Station "S"), Indian, Celebes and Sulu Seas, Pacif. (N tropical), California
N: 16
Lg.:
(1) F: 3,4; (10) F: 2,7; (16) F: 3,53-3,21; M: 3,8; (24) F: 3,36; (48) F: 3,48-3,4; (199) F: 3,19-2,89; M: 3,19-3,12; {F: 2,70-3,53; M: 3,12-3,80}
Rem.: meso-bathypelagic. After Pearson (1906, p.28): vertical range down to 700 m at 51°N, 12°W. Known to occur at depths between 400 and 1300 m Matthews, 1972). Sampling depth (sub-Antarct.): 0-1000 m. Sargasso Sea: 500-1000 m (Deevey & Brooks, 1977, Station "S");
For Park (1993, p.27) this species can be readily distinguished from the others in the genus by its characteristic gibbous swelling on the back of the head, and swollen setae on the mandibular palp; also characteristic is the presence on the P1 basis of a large conspicuous tubercle bearing a seta.

In ''affinis"" Group after Matthews (1972, p.64) {See remarks in Euaugaptilus genus}
Last update : 04/12/2020
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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 October 21, 2021]

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