Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Scolecitrichidae ( Family )
            Xantharus ( Genus )
Xantharus formosus  Andronov, 1981   (F,M)
Andronov, 1981 (p.1720, figs.F,M); Bradford & al., 1983 (p.104); Schulz, 1998 (p.48: Rem.); Ohtsuka & al., 2003 (p.61: Rem.); Bradford-Grieve, 2005 (p.947, tab.1: morphological remarks)
Species Xantharus formosus - Plate 1 of morphological figuresissued from : V.N. Andronov in Zool. Zh., 1981, 9 (11). [p.1720, Figs.1-21].
Female (from N Cap Cod): 1-2, habitus (lateral and dorsal, respectively); 3, genital segment (dorsal); 4, caudla rami (ventral); 5, A2; 6, A1 (distal portion); 7, Mx1; 8, Md (mandibular palp); 9, Md (mandibular blade); 10, Mx2; 11-12, rostrum frontal view and lateral, respectively); 13-17, P1 to P5.

Male: 18, P1; 19, P5; 20-21, habitus (lateral and dorsal, respectively)

NZ: 1

Distribution map of Xantharus formosus by geographical zones
Atlant. NW (Cape Cod)
N: 1
(448) F: 1; M: 0,78-0,72; {F: 1,00; M: 0,72-0,78}
Rem.: off shore, 200-235 m.
Morphological characteristics (from Bradford-Grieve , 2005, p.947): A1 extends beyond distal border of pedigerous 2; basis of Md with 3 setae; inner lobe 1 of Mx2 with 4 setae; basis of P1 with inner distal spinules; general proportions of P5: squat; basis and exopod of P5: separate; exopod of P5 with 3 spines.
Last update : 02/02/2015
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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., 2005-2023. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 01, 2023]

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Marine Planktonic Copepods

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