Species Card of Copepod
Monstrilloida ( Order )
    Monstrillidae ( Family )
        Cymbasoma ( Genus )
Cymbasoma cocoense  Suarez-Morales & Morales-Ramirez, 2009   (F)
Ref.:
Suarez-Morales & Morales-Ramirez, 2009 (p.1259, figs.F); Suarez-Morales, 2011 (p.3, fig.F)
Species Cymbasoma cocoense - Plate 1 of morphological figuresissued from : E. Suarez-Morales & A. Morales-Ramirez inJ. Nat. Hist., 2009, 43 (21-22); [p.1259, Fig.1].
Female (from Isla del Coco, Costa Rica): A-B, habitus (ventral and dorsal, respectively), showing length of ovirous spines; C, urosome including 5th pedigerous, genital double, anal somites and caudal rami (dorsal).


Species Cymbasoma cocoense - Plate 2 of morphological figuresissued from : E. Suarez-Morales & A. Morales-Ramirez inJ. Nat. Hist., 2009, 43 (21-22); [p.1260, Fig.2].
Female: A, ornamentation of anterior ventral surface of cephalic area between bases of antennules and oral papillae (lateral); B, same (ventral); C, A1 showing armature (following nomenclature of Grygier & Ohtsuka, 1995), dorsal view; D, 5th pedigerous and genital double somites (lateral); E, same (ventral) showing insertion of ovigerous spines.


Species Cymbasoma cocoense - Plate 3 of morphological figuresissued from : E. Suarez-Morales & A. Morales-Ramirez inJ. Nat. Hist., 2009, 43 (21-22); [p.1261, Fig.3].
Female: A, left P1 (posterior; B, right P2 (anterior); C, right P3 (anterior); D, exopod of P4 (anterior); E, P5 (ventral viewl); F, tips of ovigerous spines.
Most setae cut short.


Species Cymbasoma cocoense - Plate 4 of morphological figuresissued from : E. Suarez-Morales & A. Morales-Ramirez inJ. Nat. Hist., 2009, 43 (21-22); [p.1262, Table 1].
Female: armature of swimming legs.
Roman numerals = spines; Arabic numerals = setae.

NZ: 1

Distribution map of Cymbasoma cocoense by geographical zones
Loc:
NE Pacif. (Chatham Bay, Isla del Coco, Costa Rica)
N: 1
Lg.:
(1030) F: 1,45-1,67; {F: 1,45-1,67}
Rem.: For Suarez-Morales & Morales-Ramirez (2009, p.1269) the occurrence of this species is probably endemic, because the extensive and deep oceanic area between the island and the mainland (532 km off the coast of Costa Rica) was expected to constitute an important impediment for dispersal. The dispersive capacity of the adult and larval monstriloids is limited by the presence of their benthic hosts (polychaetes or molluscs), and their relatively short residence time in the water column.
Last update : 28/06/2013
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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2014. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en 
[Accessed September 23, 2014]

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