Undinella oblonga - Fiche d'espèce - Copépodes planctoniques marins

Undinella oblonga Sars, 1900 (F,M)

Taxonomy

Ordre Calanoida

détails

Superfamille Clausocalanoidea

détails

Famille Tharybidae

détails

Genre Undinella

détails liste des espèces pour ce genre

Abréviations ou symboles

Références

Liste des auteurs étudiés

Sars, 1900 (p.52, figs.F,M); Farran, 1908 b (p.50); Rose, 1933 a (p.142, figs.F,M); Jespersen, 1934 (p.85, fig.22); Lysholm & al., 1945 (p.29); Brodsky, 1950 (1967) (p.276, figs.F,M); Tanaka, 1960 a (p.130, figs.F); Vidal, 1971 a (p.14, 25, figs.F,M); Bradford & al., 1983 (p.127); Chihara & Omori, 1997 (p.921, Pl.184: F,M); Andronov, 2002 (p.72, figs.F,M); Markhaseva & al., 2008 (p.2433, 2438, fig.F, Rem.); Markhaseva & Renz, 2011 (p.67, fig.M)

Figures

Planche 1 issued from : O. Tanaka in Publ. Sero Mar. Biol. Lab., 1960, VIII (1). [p.130, Fig.102].
Female (from Suruga Bay, Japan): a, habitus (dorsal); b, forehead (lateral); c, last thoracic segment and urosome (lateral left side); d, rostrum (anterior aspect); e, P2; f, P5.

Nota: Head and 1st thoracic segment separate, 4th and 5th fused.
Lateral distal corner of the last thoracic segment produced triangularly with a rounded tip.
Rostrum with 2 aesthetasc-like filaments attached to the basal part which is hollowed at the apex.
Abdomen contained 2.4 times in the length of the cephalothorax.
The abdominal segments and furca in the proportional lengths 33 : 24 : 21 : 5 : 17 = 100.
Genital segment swollen laterally, about as long as wide.
Anal segment short.
Caudal rami 1.75 times as long as wide.
A1 24-segmented, extends to the distal margin of the genital segment.
In P2, the 1st and 2nd endopodal segments incompletely fused.
P5 3-segmented, 3rd segment with 4 spines of abiut equal lengths on the distal margin.

Species Undinella oblonga - Planche 2 of morphological figures

Planche 2 Issued 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.277, Fig.186].
Female (from central Arctic): habitus (lateral right side); Do, urosome (dorsal); Mp1, Mx2; S1, P1; S2, P2; S5, P5.

Species Undinella oblonga - Planche 3 of morphological figures

Planche 3 Issued 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.187].
Male (from Arctic): habitus (lateral left side); urosome (dorsal); R, rostrum; S5, P5.

Species Undinella oblonga - Planche 4 of morphological figures

Planche 4 issued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.74, Figs.439-450].
Female (from NW Atlantic): 439-440, habitus (dorsal and lateral, respectively); 441, rostrum; 442, proximal portion of A1; 443, P5.

Male: 445-446, habitus (dorsal and lateral, respectively); 447, rostrum; 448, P5; 449, part of left endopod of P5.

Species Undinella oblonga - Planche 5 of morphological figures

Planche 5 issued from : E.L. Markhaseva & J. Renz in Zootaxa, 2011, 2889. [p.67, D]. Changed and schematized after Andronov (2002).
Male: D, P5 (Nota: right basis in grey).

Références complémentaires

Liste des auteurs étudiés

Mrazek, 1902 (p.522); Damas & Koefoed, 1907 (p.400, tab.II); Lysholm & Nordgaard, 1921 (p.19); Jespersen, 1939 (p.59, Rem.); M.W. Johnson, 1963 (p.89, Table 1, 2); Harding, 1966 (p.17, 66, 71); Dunbar & Harding, 1968 (p.319, 320); Shih & al., 1971 (p.208); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Buchanan & Sekerak, 1982 (p.41, vertical distribution); Groendahl & Hernroth, 1986 (tab.1); Kosobokova, 1989 (p.26); Kosobokova & al., 1998 (tab.2); Kosobokova & Hirche, 2000 (p.2029, tab.2); Holmes, 2001 (p.55); Auel & Hagen, 2002 (p.1013, tab.2); Sameoto & al., 2002 (p.13); Gaard & al., 2008 (p.59, Table1, N Atlantic Mid-Ridge); Kosobokova & Hopcroft, 2010 (p.96, Table 1, fig.7); Kosobokova & al., 2011 (p.29, Table 2, Rem.: Arctic Basins); Matsuno & al., 2012 (Table 2)

Distribution

NZ: 8

Carte de distribution de Undinella oblonga par zones géographiques

Localisations

Glossaire géographique

off Mauritania (in Vives, 1982, p.292), off Bermuda: Station ‘’ S’’ (32°10’N, 64°30’W), Sargasso Sea, Azores, off W Ireland, off E Nova Scotia, off E Newfoundland, S Iceland, W Baffin Bay, Greenland (W & E), Spitzbergen, Arct. (Canadian abyssal plain, Laptev Sea, Lomonosov Ridge, Arct. (Fletcher's Ice Is., Nansen Basin, Amundsen Basin, Makarov Basin, Chukchi Sea, Canada Basin), Okhotsk Sea, Japan (Suruga Bay)

Citations

N: 28

Dimensions (mm)

Références de auteurs concernant les dimensions

(4) F: 2,56; (22) F: 3; M: 2,4-2,5; (134) F: ± 3; M: ± 2,5; (377) F: 2,75; (866) M: 2,4-2,5; (881) F: 2,48-3; M: 2,24-2,5; {F: 2,48-3,00; M: 2,24-2,50}

Remarques

meso-bathypélagique.
Cette espèce arctique peut être observée à de plus basses latitudes par transport par des courants de profondeur venant du nord.

Voir aussi les remarques en anglais

Dernière mise à jour : 02/02/2015