Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Pseudodiaptomidae ( Family )
            Pseudodiaptomus ( Genus )
Pseudodiaptomus compactus  Walter, 1984   (F,M)
Syn.: Pseudodiaptomus aurivilli : Kasturirangan, 1963 (p.36);
Pseudodiaptomus mertoni : Wellershaus, 1969 (p.256, fig.M); Pillai, 1976 (1980) (p.247, figs.F,M)
Walter, 1984 (p.375, figs.M, Rem.); 1986 (p.132);1986 a (p.503); 1987 (p.367)
Species Pseudodiaptomus compactus - Plate 1 of morphological figuresissued from : T.C. Walter in Proc. Biol . Soc. Wash., 1984, 97 (2). [p.377, Fig.3, B-C].
Male (from Cochin, Inda): B, P5 (posterior view); C, idem (anterior view).

Species Pseudodiaptomus compactus - Plate 2 of morphological figuresIssued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.255, Fig.23]. As Pseudodiaptomus mertoni.
Male (from Cochin backwater, S India): 23, P5.

Nota: Thoracic segment 5 with a strong spine on either side;
- Triangular spikes on the whole posterior margin of abdominal segments 2, 3 and 4, no additional spinyules on the ventral aspect.
- Anal segment yellow, with a pair of small black dots
Scale : single line = 0.1 mm ; double line = 0.05 mm.

Species Pseudodiaptomus compactus - Plate 3 of morphological figuresIssued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.256]. As Pseudodiaptomus mertoni.
Male (from Cochin Backwater, India): Proportion of the abdominal segments and proportional lengths of the caudal setae (in % of the abdominal length).

Nota: Ratio yhorax : abdomen = 1.91.

Compl. Ref.:
Madhupratap & Haridas, 1986 (p.105, tab.2)
NZ: 1

Distribution map of Pseudodiaptomus compactus by geographical zones
India (Cochin), Andaman Is.
N: 4
(172) M: 0,90; {M: 0,90}
Rem.: estuary-neritic.
Incomplete data.
In Hyalinus species group (aurivilli subgroup) after Walter & al. 2006, p.203.
Last update : 18/12/2017
    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., 2005-2023. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed December 09, 2023]

© copyright 2005-2023 Sorbonne University, CNRS

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


Version française
English version



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