Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Scolecitrichidae ( Family )
            Scolecithricella ( Genus )
Scolecithricella obscura  Roe, 1975   (F)
Roe, 1975 (p.318, Descr.F, figs.F); Bradford & al., 1983 (p.103); Vyshkvartzeva, 1999 (2000) (p.235-236: Rem.)
Species Scolecithricella obscura - Plate 1 of morphological figuresissued from : H.S.J. Roe in Bull. British Mus. (Natural History) Zool., London, 1975, 28 (7). [p.319, Fig.12].
Female (from Cape Verde Islands): a, habitus (dorsal); b, rostrum (ventral); c, last thoracic segment and urosome (left lateral side); d, A2; e, mandibular palp; f, Mx1; g, Mx2; h, Mx2 (endopod, paratype); i, P1; j, P2; k, P3 (exopodite); l, P3 (endopodite segments 2-3); m, P4; n, P5.
Bar scale 0.1 mm unless indicated.
Nota: Cephalothorax 5.9 times as long as the 4-segmented abdomen.
Head and 1st thoracic segment fused, 4th and 5th fused.
Rostrum with 2 thick filaments.
The hind margin of the cephalothorax indented laterally.Caudal rami about as long as wide.
Endopod of Mx2 with 5 brush-like setae, 2 of which are much larger than the others, and 3 flattened worm-like setae.
1st basipodite of Mxp about 2/3 the length of the 2nd, and carries 1 brush-like and 2 worm-like setae.
P5 uniramous and symmetrical; on each side there is a single segment, incompletely divided into 3, having a small external spine (absent on one side of one of the paratypes), a longer terminal spine and a long stout internal spine garnished with teeth.

Compl. Ref.:
Vives, 1982 (p.292)
NZ: 1

Distribution map of Scolecithricella obscura by geographical zones
NE Atlant. (Cape Verde Is.)
N: 2
(8) F: 2,13-1,82; {F: 1,82-2,13}
Rem.: Bathypelagic.
Genus poorly secured. Probable in Amallothrix.
Last update : 31/01/2015
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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 May 25, 2024]

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Marine Planktonic Copepods

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