Species Card of Copepod
Calanoida ( Order )
    Arietelloidea ( Superfamily )
        Discoidae ( Family )
            Pertsovius ( Genus )
Pertsovius oviformis  (Park, 1970)   (F)
Syn.: Disco oviformis Park, 1970 (p.477, 527, Descr.F, figs.F)
Andronov & Kosobokova, 2011 (p.38, Rem.)
Species Pertsovius oviformis - Plate 1 of morphological figuresissued from : T. S. Park in Bull. Mar. Sci., 1970, 20 (2). [p.526, Figs.265-276]. As Disco oviformis.
Female (from 19°02'N, 81°57'W): 265-266, habitus (dorsal and lateral, respectively); 267, A2; 268, Md (mandibular blade); 269, Md; 270, Mx1; 271, Mx2; 272, Mxp; 273, P1 (anterior); 274, P2 (anterior; terminal spines broken off); 275, P3 (anterior; terminal spines broken off); 276, P4 (anterior; terminal spines broken off).
Nota: 1st metasomal segment separate from cephalosome, 4th and 5th metasomal segments fused.
Rostrum single, large, and obtusely rounded. A1 reaching about end of genital segment.
A2 exopod 8-segmented, first seven segments each with an internal seta.
Mandibular blade with 6 large teeth.
Mx1 with 6 and 2 setae, rrespectively, on 1st and 2nd inner lobes, 1 seta on basis, 8 setae on endopod, 2 setae on exopod, and 4 setae on outer lobe.
Urosome about 1/3 length of prosome; first three urosomal segments much wider than long.
Anal segment wider than long and much longer than the preceding segment.
Caudal ramus slightly longer than wide and shorter than anal segment
P5 lacking.

NZ: 1

Distribution map of Pertsovius oviformis by geographical zones
Caribbean Sea

Type locality: 19°02'N, 81°57'W.
N: 1
(88) F: 0,82; {F: 0,82}
Rem.: meso-bathypelagic.
Separate from D. fiordicus Fosshagen (1967) by the much larger and wider body and the relatively short urosomal segments.
Last update : 28/01/2015
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed April 25, 2024]

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Marine Planktonic Copepods

Marine Planktonic Copepods


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