Species Card of Copepod
Calanoida ( Order )
    Eucalanoidea ( Superfamily )
        Eucalanidae ( Family )
            Eucalanus ( Genus )
Eucalanus muticus  C.B. Wilson, 1950   (F,M)
C.B. Wilson, 1950 (p.209, figs.F,M)
Species Eucalanus muticus - Plate 1 of morphological figuresissued from : C.B. Wilson in Bull. U.S. National Museum, 100, 14 (4), 1950. [Pl.7, Figs.63-67].
Female (from 12°3'30''S, 77°49'30''W): 63, habitus (dorsal); 64, idem (lateral left side); 65, rostral filaments; 66, A2; 67, Md.

Nota: Head and 1st thoracic segment fused, 4th and 5th separated dorsally, but fused on the ventral surface. Cephalothorax 2-times as long as the rest of the metasome and the urosome combined. Forehead triangular, apex sharp. Urosome 4-segmented, less than 1/8 as long as the metasome. Abdomen 3-segmented, about the same length, much wider than long. Caudal rami twice as long as wide, somewhat divergent. Exopod of A2 7-segmented, each of the two basal segments with 2 setae. Md palp twice the length of the mandibular blade; the tooth at each end is acute. Mxp 8-segmented with 6, 3, 2, 3, 4, 3, 3, 3, 2 setae respectively, begining at the base. P5 lacking.

Species Eucalanus muticus - Plate 2 of morphological figuresissued from : C.B. Wilson in Bull. U.S. National Museum, 100, 14 (4), 1950. [Pl.7, Figs.68-69].
Male: 68, urosome (lateral left side); 69, P5.

NZ: 4

Distribution map of Eucalanus muticus by geographical zones
Species Eucalanus muticus - Distribution map 2
Chart of 1996
Aleutian Is., California, SW Mexico, Central America, S Galapagos, NE Easter Is., SE Tuamotu Is., Fidji Is., off Peru
N: 1
(137) F: 5,65; M: 5,5; {F: 5,65; M: 5,50}
Rem.: Fleminger (1973) does not report this species, nor any author subsequent to the descriptor. Fleminger regards this species as a junior synonym of Eucalanus inermis (in Brinton & al., 1986, p.228, Table 1: Rem.);
Last update : 05/01/2015
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2022. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed August 17, 2022]

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Marine Planktonic Copepods

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