Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Valdiviella ( Genus )
Valdiviella brevicornis  Sars, 1905   (F,M)
Ref.:
Sars, 1905 b (p.17, Rem.F); ? A. Scott, 1909 (p.78, figs.M); Wolfenden, 1911 (p.248); Sars, 1925 (p.101, figs.F); ? Sewell, 1929 (p.134, Rem.M); Rose, 1933 a (p.125, figs.F); Jespersen, 1934 (p.68); Lysholm & al., 1945 (p.21); Sewell, 1948 (p.500, 521, 546); Brodsky, 1950 (1967) (p.223, figs.F, ?M); Vervoort, 1957 (p.87, Rem.); Tanaka, 1957 b (p.207, Rem.); Owre & Foyo, 1967 (p.50, figs.F,M); Heptner, 1971 (p.113, Rem.F); Roe, 1975 (p.309, 311: Rem.); Zvereva, 1975 (p.1893, figs.F); Park, 1978 (p.195, figs.F, Rem.M); Bradford & Jillett, 1980 (p.83); Bradford-Grieve & al., 1999 (p.880, 927, figs.F,M); Vives & Shmeleva, 2007 (p.607, figs.M, Rem.)
Species Valdiviella brevicornis - Plate 1 of morphological figuresissued from : T. Park in Antarctic Res. Ser. Washington, 1978, 27. [p.196, Fig.61].
Female: A, habitus (dorsal view); B, idem (left side); C, forehead (lateral); D, rostrum (anterior); E, genital segment (lateral); F, outer lobe of Mx1; G, P1; H, P2; I, P3; J, P4. P1-4: legs (anterior).


Species Valdiviella brevicornis - Plate 2 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.XXVIII, figs.11-17].
Female (from NE Atlantic): 11, habitus (lateral left side); 12, idem (dorsal); 13, rostrum (frontal view); 14, P1; 15, P2; 16, P4; 17, anal segment and caudal ramus.

Nota Female:
- Head and 1st pedigerous segment imperfectly separate.
- Posterolateral corners of last thoracic segment slightly prominent.
- Rostrum very short, 2-pointed.
- Genital segment aout the same length that the following.
- 2nd and 3rd abdominal segments furnished ventrally with a tuft of hairs near proximal marginal.
- Caudal rami slightly longer than wide and little divergent.
- A1 23-segmented, extends approximately the prosome length.; segments identical and almost of the same length.
- In P2 to P4, 1st and 2nd exopodal segments fused, but a trace of separation more or less visible.


Species Valdiviella brevicornis - Plate 3 of morphological figuresissued from : A. Scott in Siboga-Expedition, 1909, XIX a. [Plate XXII, Figs.27-35]. With doubt.
Male (from Banda Sea): 27, forehead (dorsal); 28, idem (lateral); 29, last thoracic and genital segments (dorsal); 30, idem (left side); 31, rostrum; 32, A1; 33, P1 (exopodite only); 34, P2 (outer margin of exopodite); 35, P5.


Species Valdiviella brevicornis - Plate 4 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1967, 1, Crustacea, 1: Copepoda. Copepods of the Florida Current. [p.50, Fig.290]. After Sars, 1925.
Female: 290, habitus (dorsal).

Nota: A1 short, extending posteriorly to approximately the middle of metasome.


Species Valdiviella brevicornis - Plate 5 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1, Crustacea, 1967, 1: Copepoda. Copepods of the Florida Current. [p.51, Figs.294, 295].
Female: 294, P2; 295, P4.

Nota: P2 and P4 with some evidence of segmentation between exopodal segments 1 and 2.


Species Valdiviella brevicornis - Plate 6 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1967, 1, Crustacea, 1: Copepoda. Copepods of the Florida Current. [p.29, Fig.138].
Male: 138, P5.

Compl. Ref.:
Grice & Hulsemann, 1967 (p.15); 1968 (tab.2); Björnberg, 1973 (p.325, 389); Deevey & Brooks, 1977 (p.256, Table 2, station "S"); Suarez-Morales & Gasca, 1998 a (p.109); Razouls & al., 2000 (p.343, Appendix); Morales-Ramirez & Suarez-Morales, 2008 (p.517); Galbraith, 2009 (pers. comm.); Park & Ferrari, 2009 (p.143, Table 4, Appendix 1, biogeography)
NZ: 13

Distribution map of Valdiviella brevicornis by geographical zones
Species Valdiviella brevicornis - Distribution map 3
Chart of 1996
Loc:
Antarct. (SW Atlant., S & SE Pacif.), sub-Antarct. (SW Atlant.), South Africa, off N St. Helena Is., Azores, Barbados Is., Caribbean Sea, Florida, Sargasso Sea, Station "S" (32°10'N, 64°30'W), off Newfoundland, Davis Strait, ? Indian, ? Indonesia-Malaysia, S Pacif., Kuril Is., Vancouver Is., W Costa Rica, off Juan Fernandez Is., S Chile
N: 21
Lg.:
(1) F: 6,6; ? (5) M: 5; (20) F: 7,25-6,83; (22) F: 7,2-6,6; (23) F: 7,6-7,55; ? (29) M: 5; (49) F: 7-6,7; (140) F: 9,4-8,8; {F: 6,60-9,40; M: 5,00}
Rem.: bathy-abyssopelagic.
Sampling depth (Antarct. sub-Antarct.): 0-1000-4000 m. Sargasso Sea: 1500-2000 m (Deevey & Brooks, 1977, station "S").
Tanaka (1957 b, p.207) notes that in V. brevicornis 1st and 2nd exopodal segments of P1 to P4 are separate.
Last update : 30/03/2017
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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 December 05, 2021]

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