Species Card of Copepod
Calanoida ( Order )
    Eucalanoidea ( Superfamily )
        Eucalanidae ( Family )
            Eucalanus ( Genus )
Eucalanus muticus  C.B. Wilson, 1950   (F,M)
Ref.:
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
Loc:
Aleutian Is., California, SW Mexico, Central America, S Galapagos, NE Easter Is., SE Tuamotu Is., Fidji Is., off Peru
N: 1
Lg.:
(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
    to add your remark
  

 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., de Bovée F., Kouwenberg J. and Desreumaux N., 2005-2020. - Biology, Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 23, 2020]

© copyright 2005-2020 Sorbonne University, CNRS

Webmaster
CNRS   Observatoire Océanologique de Banyuls sur Mer - Laboratoire Arago
Sorbonne Université

 

Version française
English version

 

Search

On the WEB of CNRS

 


Marine Planktonic Copepods

Marine Planktonic Copepods

 

Imprimer Contact Accueil Plan du site Accès restreint Retour Une du Labo Imprimer Contact Plan du site Crédits Téléchargez les Plug-Ins