Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Pontellidae ( Family )
            Labidocera ( Genus )
Labidocera scotti  Giesbrecht, 1897   (F,M)
Syn.: Labidocera darwinii : T. Scott, 1894 b (p.83, figs.F,M)
Ref.:
Giesbrecht, 1897 b (p.254, Rem.); Giesbrecht & Schmeil, 1898 (p.136); Wolfenden, 1911 (p.361); Marques, 1955 (p.19, figs.F,M); Vervoort, 1965 (p.190, Rem.); Fleminger, 1975 (p.401, 402); Silas & Pillai, 1973 (1976) (p.775); Chen & Marcus, 1997 (p.587, Rem: œuf); Bradford-Grieve & al., 1999 (p.885, 959, figs.F,M)
Species Labidocera scotti - Plate 1 of morphological figuresissued from : J.M. Bradford-Grieve, E.L. Markhaseva, C.E.F. Rocha & B. Abiahy in South Atlantic Zooplankton, Ed. D. Boltovskoy, 1999, Vol. 2. [p.1068, Fig.7.388].
Female & Male.
B = basis; l = left leg; r = right leg.

Female characters (from key, p. 1959):
- Cephalosome without lateral hooks.
- Forehead without crest, rounded in dorsal view.
- Corners of the last thoracic segment into long points, without posterior lobes.
- Exopodite of P5 with 3 terminal points, inermost smallest and middle one largest.

Male characters (from key, p.959):
- Basis of left P5 with short process.
- Right P5 with exopodite 3 length about half width of exopodite 1-2.

Compl. Ref.:
Coker & Gonzalez, 1960 (p.19); Cervigon, 1962 (p.181, tables: abundance distribution); Reeve, 1970 (p.894, Rem.: p.906); Binet & al., 1972 (p.71); Weikert, 1975 (p.142, carte); Dessier, 1979 (p.134, 201, 207); Turner al., 1979 (p.289, 293, Tab.3, Rem.); Diouf & Diallo, 1987 (p.260); Alvarez-Silva & Gomez-Aguirre, 1994 (p.265); Suarez Morales, 1994 b (tab.1); Marcus, 1996 (p.144); Suarez-Morales & Gasca, 1997 (p.1525); Alvarez-Cadena & al., 1998 (tab.1,3); Suarez-Morales & Gasca, 1998 a (p.110); Mauchline, 1998 (tab.40); Alvarez-Silva & Gomez-Aguirre, 2000 (p.163: tab.2); Morales-Ramirez & Suarez-Morales, 2008 (p.514); Medellin-Mora & Navas S., 2010 (p.265, Tab. 2); Marques-Rojas & Zoppi de Roa, 2017 (p.495, Table 1).
NZ: 5

Distribution map of Labidocera scotti by geographical zones
Loc:
off W South Africa, Congo, G. of Guinea, Ivorian shelf, Casamance, off SE Cape Verde Is., Venezuela, Bahia de Mochima, Cariaco Basin, Caribbean Colombia, Caribbean Sea (Yucatan: Chetumal Bay), E Costa Rica, G. of Mexico, Turkey Point, Porto Rico, Cuba, Florida, Biscayne Bay (Miami)
N: 26
Lg.:
(16) F: 3,05-2,5; M: 2,45-2,28; (47) F: 2,4; M: 2,2; (803) F: 2,46-1,96; M: 2,19-2,01; F: 2,47-2; M: 2,20-2,05; {F: 1,96-3,05; M: 2,19-2,45}
Rem.: epipelagic, coastal and also brackish.
Diagnosis for L. scotti in the 'darwinii' species group after Prusova & Al-Yamani (2014, p.1165) :
Females:
- 1: Urosome of 3 somites.
- 2: Genital somite symmetrical, right caudal ramus nearly twice the length of left ramus.
Males:
- 1: Urosome of 5 somites.
- 2: Prosome posterior corners asymmetrical, right corner longer or modified.
- 3: Prosome posterior corners moderately asymmetrical, pointed, right single prong longer and curving ventrad.
Last update : 28/12/2017
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 24, 2021]

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