Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Scolecitrichidae ( Family )
            Pseudoamallothrix ( Genus )
Pseudoamallothrix hadrosoma  (Park, 1980)   (F)
Syn.: Scolecithricella hadrosoma Park, 1980 (p.66, Descr.F, figs.F); Hopkins & Torres, 1988 (tab.1); Park & Ferrari, 2009 (p.143, Table 4, fig.1, Appendix 1, biogeography);
Amallothrix hadrosoma : Bradford & al., 1983 (p.78, Rem.); Bradford-Grieve & al., 1999 (p.881, 931, figs.F); Razouls & al., 2000 (p.343, tab. 2, Appendix)
Ref.:
Vyshkvartzeva, 1999 (2000) (p.228, Rem.)
Species Pseudoamallothrix hadrosoma - Plate 1 of morphological figuresissued from : T. Park in Antarct. Res. Ser. Washington, 1980, 31 (2). [p.64, Fig.20]. As Scolecithricella hadrosoma.
Female: a, forehead (lateral); b, last thoracic segments and urosome (lateral left side); c, genital segment (lateral left side); d, rostrum (anterior); e, A2; f, Md; g, Mx1; h, distal part of Mx2; i, Mxp; j, P1 (anterior); k, P2 (posterior); l, P3 (posterior); m, P5 (posterior).

Nota: Female similar in all morphological details to Pseudoamallothrix emarginata except characters fillowing: Body consierably larger; articulation suture between 4th and 5th metasomal segments almost complete, extending from dorsal side close to ventral edge; viewed laterally, genital field (fig.20c) only slightly produced, so that ventral margin of genital segment posterior to genital opening almost straight (instead of curved as in S. emarginata); distal sac of spermathecal vesicle fully inflated into a large ball; distalspine of P5 lamost 2/3 as long as internal spine; distal segment of P5 without trace of partial division (by a short line found in P. emarginata.

NZ: 3

Distribution map of Pseudoamallothrix hadrosoma by geographical zones
Loc:
Antarct. (Weddell Sea, Atlant. SW, Pacif. S, SW), sub-Antarct. (Pacif. SE), SE Pacif. (34°S) after Bradford-Grieve & al. ( 1999)
N: 3
Lg.:
(523) F: 5,66-5; {F: 5,00-5,66}
Rem.: bathypelagic.
Last update : 01/07/2014
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 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2014. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en 
[Accessed December 18, 2014]

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