Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Scolecitrichidae ( Family )
            Lophothrix ( Genus )
Lophothrix quadrispinosa  Wolfenden, 1911   (F)
Ref.:
Wolfenden, 1911 (p.269, Descr.F, figs.F); Sewell, 1929 (p.200, figs.F, Rem. juv.); 1947 (p.152, figs.F, Rem.); Owre & Foyo, 1967 (p.68, figs.F); Bradford, 1973 (p.144); Bradford & al., 1983 (p.88); Park, 1983 (p.178); Bradford-Grieve & al., 1999 (p.881, 931, figs.F); Vives & Shmeleva, 2007 (p.749, figs.F, Rem.)
Species Lophothrix quadrispinosa - Plate 1 of morphological figuresissued from : R.B.S. Sewell in The John Murray Expedition, 1933-34, Scientific Reports, VIII (1), 1947. [p.153, Fig.39, B-H].
Female (from central Arabian Sea): B, habitus (dorso-lateral right side); C, urosome (dorso-lateral aspect); D, A2; E, Md; F, mx1; G, P2; H, P5.
Nota: The proportional lengths of the cephalothorax and abdomen as 82 to 18. The proportional lengths of the various segments of the body (cephalon to caudal rami) as 553:98:76:76:78:38:30:21:20 = 1000. The three posteror urosomal segments are ornemented on their dorsal and dorso-lateral aspects with rows of fine hair-like spines (very similar to the ornamentetion recorded in L. frontalis). In the present specimens the terminal segment of P5 is very longer than is shown by Wolfenden (1911, Pl.XXXIV, fig.3), and than in the specimens taken in the Bay of Bengal (Sewell, 1929). The intestinal tract is curiouly twisted as in L. frontalis (See in With, 1915, p.212).


Species Lophothrix quadrispinosa - Plate 2 of morphological figuresissued from : R.B.S. Sewell in Mem. Indian Mus., 1929, X. [p.200, Fig.74].
Female (from Lccadive Sea): a, A2; b, P1; c, P2; d, P3; e, P5; f, P5 (immature).


Species Lophothrix quadrispinosa - Plate 3 of morphological figuresissued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [p.269, Fig.42].
Female: forehead (lateral).


Species Lophothrix quadrispinosa - Plate 4 of morphological figuresissued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [Pl.XXXIV, Fig.3].
Female: 3, P5.


Species Lophothrix quadrispinosa - Plate 5 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1, Crustacea, 1: Copepoda. Copepods of the Florida Current. [p.67, Figs.432, 433, 436].
Female: 432, head (lateral); 433, habitus (dorsal); 436, P5.

Nota: Forehead with a crest; P5 bears 4 spines, the internal spine much longer than the external.

Compl. Ref.:
Sewell, 1948 (p.330, 521, 523, 524, 527, 530); Roe, 1972 (p.277, tabl.1, tabl.2); Björnberg, 1973 (p.333, 387); Vives, 1982 (p.292); Lapernat, 2000 (tabl.3, 4); Bonecker & a., 2014 (p.445, Table II: frequency, horizontal & vertical distributions, Table IV: new geographical record)
NZ: 6

Distribution map of Lophothrix quadrispinosa by geographical zones
Loc:
Atlant. (off N Tristan da Cunha, Brazil (off Rio de Janeiro), off NW Cape Verde Is., off Mauritania, Canary Is., Caribbean Sea, Caribbean, Florida), N Indian (Arabian Sea, off E Sri Lanka), S Pacif: Chile (41° S) (in Björnberg, 1973)
N: 11
Lg.:
(10) F: 5,6; (11) F: 5,483; (29) F: 5,1; (199) F: 6,4; {F: 5,10-6,40}
Rem.: Mesopelagic - bathypelagic.
Owre & Foyo (1964) point to 4 females from 584 m and 1 from 1750 m in the Florida region.
Last update : 17/04/2015
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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2019. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed July 20, 2019]

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