Species Card of Copepod
Cyclopoida ( Order )
    Corycaeidae ( Family )
        Corycaeus ( Genus )
            Ditrichocorycaeus ( Sub-Genus )
Corycaeus (Ditrichocorycaeus) tenuis  Giesbrecht, 1891   (F)
Syn.: Corycäus tenuis Giesbrecht, 1891; 1892 (p.660, 674, figs.F); Brian, 1914 a (p.139);
Corycaeus tenuis : F. Dahl, 1894 (p.71);
no Corycaeus tenuis : Farran, 1911 a (p.291)
Ditrichocorycaeus tenuis : Boxshall & Halsey, 2004 (p.495); Vives & Shmeleva, 2010 (p.222, figs.F, Rem.)
Ref.:
Thompson & Scott, 1903 (p.240, 286); A. Scott, 1909 (p.252, Rem.); M. Dahl, 1912 (p.67, figs.F); Dakin & Colefax, 1933 (p.209); Sewell, 1948 (p.393); Tanaka,1957 (p.90, 91, Rem.); Boxshall & Halsey, 2004 (p.495)
Species Corycaeus (Ditrichocorycaeus) tenuis - Plate 1 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.51, Figs.55, 56]. As Corycäus tenuis.
Female: 55, habitus (dorsal); 56, idem (lateral).


Species Corycaeus (Ditrichocorycaeus) tenuis - Plate 2 of morphological figuresissued from: M. Dahl in Die Copepoden der Plankton-Expedition. I. Die Corycaeinen. Ergebnisse der Plankton-Expedition der Humboldt-Stiftung, 1912; [Taf.XI, Figs.19-21].
Female: 19, urosome (dorsal); 20, idem (lateral); 21, habitus (lateral).


Species Corycaeus (Ditrichocorycaeus) tenuis - Plate 3 of morphological figuresissued from: M. Dahl in Die Copepoden der Plankton-Expedition. I. Die Corycaeinen. Ergebnisse der Plankton-Expedition der Humboldt-Stiftung, 1912; [Taf.XI, Figs.22-24].
Female: 22, A2; 23, P2; 24, P4.


Species Corycaeus (Ditrichocorycaeus) tenuis - Plate 4 of morphological figures[B & H] Female: Posterior lateral angles of 3rd pedigerous somite produced into acute spinous processes extending posteriorly to about 1/3 length of genital double-somite. Anal somite twice as long as width at base.

[V & S] Female: Posterior points of thoracic segment 3, in dorsal view, not reaching half genital segment.Basipodite 2 of P4 with the 2 setae divergent. Genital segment plus anal segment longer than caudal rami. Basipodite 2 of A2 with 1 tooth on the inner distal margin.

Compl. Ref.:
Rose, 1925 a (p.2, 4, 5, 7); Pavlova, 1966 (p.45); Kovalev & Shmeleva, 1982 (p.86); Greze & al., 1985 (p.8)
NZ: 5

Distribution map of Corycaeus (Ditrichocorycaeus) tenuis by geographical zones
Loc:
Medit. (Alboran Sea (in Greze & al., 1985), Monaco, G. of Genoa (Brian, 1914 a), Aegean Sea (in Pavlova, 1966), Sri Lanka (in Thompson & Scott, 1903), Flores Sea, off W Galapagos, Australia (New South Wales)
N: 12 (Médit. 9; Indien : 1; Indo-Malaisie: 1; Pacif. SW: 1)
Lg.:
(46) F: 0,87; (666) F: 0,84-0,81; {F: 0,81-0,87}
Rem.: Epiplanktonic.
For Boxshall & Halsey (2004, p.491) the subgenus (Dahl, 1912) is considered as full generic status pending phylogenetic revision of the whole family at the generic level.
Last update : 02/01/2015
    to add your remark
  

 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., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed September 22, 2021]

© copyright 2005-2021 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