Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Tharybidae ( Family )
            Undinella ( Genus )
Undinella acuta  Vaupel-Klein, 1970   (F)
Syn.: Undinella frontalis : Brodsky, 1950 (1967) (p.277, Descr.M, figs.M, no F);
Ref.:
Vaupel-Klein, 1970 (p.21, Descr.F, figs.F); Bradford & al., 1983 (p.127); Andronov, 2002 (p.64, Descr.M, figs.F,M)
Species Undinella acuta - Plate 1 of morphological figuresissued from J.C. von Vaupel-Klein in Zool. Verh. Leiden, 1970, 110. [p.21, Fig.6].
Female (from NE Pacific: Station \"P\"); a, b, habitus (lateral and dorsal, respectively); c, frontal part of the head and rostrum (ventral view); d, rostrumanterior); e, fifth pair of legs.


Species Undinella acuta - Plate 2 of morphological figuresissued from J.C. von Vaupel-Klein in Zool. Verh. Leiden, 1970, 110. [p.23, Fig.7].
Female (from NE Pacific: Station \"P\"); a, b, last thoracic somite and urosome (dorsal, lateral view from left side); c, genital complex (ventral view).


Species Undinella acuta - Plate 3 of morphological figuresIssued from : J.C. von Vaupel-Klein in Zool. Verh. Leiden, 1970, 110. [p.26, Fig.9; p.27, Fig.10].
Female: a, A2; b, Md; c, Mx1; d, Mx2. (All appendages figured in from the outside); a', A2; b', Md; c', Mx1; d', Mx2 (All appendages figured from the inside; e, left Mxp (from paratype).).


Species Undinella acuta - Plate 4 of morphological figuresIssued from : J.C. von Vaupel-Klein in Zool. Verh. Leiden, 1970, 110. [p.24, Fig.8; p.28, Fig.11; p.29, Fig.12].
Female: 1, left A1; 2, P1 (posterior surface); 2, P2 (anterior surface); 4-6, Mxp; 7, P3 (anterior surface); 8, P4 (anterior surface).


Species Undinella acuta - Plate 5 of morphological figuresIssued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.278, Fig.189]. As Undinella frontalis.
Male (from NW Pacif.): habitus (dorsal and lateral right side); S1, P1; S2, P2; S5, P5.
Nota: Rostral plate wiith simple notch, filaments resting on outer margin, not apically. last thoracic segment asymmetrical, right posterior corner wider than the left and bearing small outgrowth directed laterally. Distal segment of right leg of P5 elongate and curved, boomerang-shaped; penultmate segment of left exopodite of P5 with very hairy appendage; no vesicular organ, in contrast to


Species Undinella acuta - Plate 6 of morphological figuresissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.67, Figs.379-395].
Female (from SE Atlantic): 379-380, habitus (dorsal and lateral, respectively); 381, genital segment (ventral); 382, rostrum; 383P1; 384-385, exopod of P2 and P3 (respectively); 386, P4; 387, P5.

Male: 388-389, habitus (dorsal and lateral, respectively); 390, thoracic segments 4+5 (right view); 391, thoracic segments 4+5 and urosomal segment 1 (dorsal); 392, rostrum; 393, P5; 394, distal end of left exopod of P5.

Compl. Ref.:
Galbraith, 2009 (pers. comm.)
NZ: 7

Distribution map of Undinella acuta by geographical zones
Loc:
NE Pacif. (Station "P"), off British Columbia, off SE Greenland, N Sargasso Sea, Cape Verde Is., Angola, Namibia, SE Tristan da Cunha Is.
N: 3
Lg.:
(22) M: 1,7; (205) F: 1,89-1,77; (881) F: 1,77-2; M: 1,67-1,7; {F: 1,77-2,0; M: 1,67-1,70}
Rem.: bathypelagic.
Last update : 31/08/2018
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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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