Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Scolecitrichidae ( Family )
            Scolecithricella ( Genus )
Scolecithricella sp.  Tanaka, 1962   (M)
Ref.:
Tanaka, 1962 (p.89, Descr.M, figs.M)
Species Scolecithricella sp. - Plate 1 of morphological figuresissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1962, X (1). [p.89, Fig.151].
Male (from Suruga Bay): a, forehead (left lateral side); b, last thoracic segment and urosome (left lateral side); c, rostrum (dorsal view); d, Mx2; e, P1; f, P2; g, endopod of left P5.

Nota Male:
- Head and 1st thoracic segment fused, 4th and 5th pedigers fused.
- Posterolateral corners of the last thoracic segment rounded.
- Rostrum composed of a small bifid basal to which robust, long spines attached.
- Urosome 5-segmented; segments and caudal rami in the proportional lengths 10: 39 :17 : 25 : 3 : 6.
- 2nd abdominal segment very robust and long.
- Caudal rami as long as wide.
- A1 20-segmented on left side, reaches back to the end of the last thoracic segment.
- A2 exopod 1.5 times as long as endopod.
- Md palp robust.
- Mx1 with 5 setae on the outer lobe; 8 setae on exopod; 5 setae on endopodal segments 2-3, 3 setae on the endopodal segment 1; 3 setae on the 2nd basal segment; 2 setae on the 3rd inner lobe.
- Mx2 with 5 bud-like and 3 vermiform filaments on the segments of the endopod; one of the bud-like filament is much larger than the rest.
- P1 with the 1st and 2nd exopodal segments have each a slender outer edge spine, 3rd exopodal segment with 2 groups of minute spines on the posterior surface.
- P2 with a moderately long and curved outer edge spine on the 1st exopodal segment , 2nd and 3rd exopodal segments lost.
- P3 and P4 endopods broken off.
- P3 with coxa furnished with minute spines on the posterior surface.
- P5 reaches back to the distal margin of the 3rd abdominal segment. Exopod of the left leg broken off in the distal segment. Endopod of the right leg short.

NZ: 1

Distribution map of Scolecithricella sp. by geographical zones
Loc:
Japan (Suruga Bay)
N: 1
Lg.:
(117) M: 2,13; {M: 2,13}
Rem.: specimen considerably damaged.
Probable in genus Amallothrix.
Last update : 20/03/2017
    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. et Desreumaux N., 2005-2019. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed July 20, 2019]

© copyright 2005-2019 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