Species Card of Copepod
Monstrilloida ( Order )
    Monstrillidae ( Family )
        Cymbasoma ( Genus )
Cymbasoma tranteri  Suarez-Morales & McKinnon, 2016   (F)
Ref.:
Suarez-Morales & McKinnon, 2016 (p.106, Descr. F, figs. F, Rem.)
Species Cymbasoma tranteri - Plate 1 of morphological figuresIssued from : E. Suarez-Morales & A.D. McKinnon in Zootaxa, 2016, 4102. [p.107, Fig.62].
Female (from 34°4.670'S, 151°9.100'E): A, right A1 (dorsal); B, cephalic region with arrow indicating medial process between A1 bases, left A1 omitted (lateral); C, same (ventral); D, detail of cuticular processes on ventral surface between A1 bases; E, urosome (dorsal); F, same (ventral); G, same (lateral).
Scale bars: A-C, E-G = 100 µm; D = 50 µm.

Nota: - Urosome (caudal rami not included) representing 12 % of total body length. Relative lengths of urosomites 32.6 : 40 : 27.4 = 100.
- Ovigerous spines paired, separated at base, relatively long, 52 % of total body length; spines equally long.
- Caudal rami not divergent, subrectangular, about 1.3 times as long as wide, armed with 3 caudal setae.
- A1 representing about 16.2 % of total body length and 23.4 % of cephalothorax length; 4-segmented, relative length of distal segment 57 %.
- P5medially conjoined, bilobate, outer (exopodal) lobe cylindrical, with distal rounded process. Inner lobe arising basally, thumb-like, reaching midlength of exopodal lobe. Outer lobe armed with 3 subapical setae, innermost seta longest.


Species Cymbasoma tranteri - Plate 2 of morphological figuresIssued from : E. Suarez-Morales & A.D. McKinnon in Zootaxa, 2016, 4102. [p.108, Fig.63].
Female: A, habitus (lateral); B, ovigerous spines; C, P1; D, P2 with intercoxal sclerite; E, P3 with inercoxal sclerite; F, detail of mammiliform outer spine on 3rd exopodal segment of legs (arrows in figuresC D indicates position of mammiliform spines.
Scale bars: A = 500 µm; C-E = 100 µm; F = 50 µm.

Nota: Cephalothorax representing 68 % of total body length.
- Midventral oral papilla moderately protuberant, located at 15 % of cephalothorax length.
- Pair of relatively large ocelli, pigment cups well developed, medially conjoined, separated by less than half an eye diameter, weakly pigmented; ventral cup as large as lateral cups.
- Frontal sensilla absent.


Species Cymbasoma tranteri - Plate 3 of morphological figuresssued from : E. Suarez-Morales & A.D. McKinnon in Zootaxa, 2016, 4102. [p.109].
Female: Armature formula of swimming legs P1 to P4.

NZ: 1

Distribution map of Cymbasoma tranteri by geographical zones
Loc:
SE Australia (Port Hacking, New South Wales)

Type locality: 34°4.670' S, 151°9.100' E.
N: 1
Lg.:
(1198)* F: 2,23; {F: 2,23}

* Body length measured from the anterior end cephalothorax to the posterior end of the anal somite.
Rem.: For Suarez-Morales & McKinnon (2016, p.110) the species can be distinguised from its Autralian congeners that have a P5 inner lobe shorter than the outer lobe by details of the armature of the outer lobe.. A distinctive apomorphy of C. tranteri is the peculiar mammiliform shape of the outermost spine of the 3rd exopodal segment of P1-P4, a character not previously observed in any other known Cymbasoma (see in fig. 63C-F)
Last update : 04/10/2016
    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., 2005-2022. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed January 22, 2022]

© copyright 2005-2022 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 Accčs restreint Retour Une du Labo Imprimer Contact Plan du site Crédits Téléchargez les Plug-Ins