Euchirella galeatea - Fiche d'espèce - Copépodes planctoniques marins

Euchirella galeatea Giesbrecht, 1888 (F,M)

Taxonomy

Ordre Calanoida

détails

Superfamille Clausocalanoidea

détails

Famille Aetideidae

détails

Genre Euchirella

détails liste des espèces pour ce genre

Abréviations ou symboles

Synonymie

no Euchirella galeata : Farran, 1908 b (p.37); 1920 (p.17, 21); Lysholm & Nordgaard, 1921 (p.16); Lysholm & al., 1945 (p.18, Rem.); Sewell, 1947 (p.74, figs.F)

Références

Liste des auteurs étudiés

Giesbrecht, 1892 (part., p.233, 244, Pl.36, fig.26, non Pl.36: fig.22); Giesbrecht & Schmeil, 1898 (p.36); Esterly, 1905 (p.155, figs.F); A. Scott, 1909 (p.55, Rem.); Wolfenden, 1911 (p.241); Farran, 1926 (p.253: Rem.); Sewell, 1929 (p.110, figs.F, juv.M, Rem.); Vervoort, 1949 (p.32, figs.F) ; C.B. Wilson, 1950 (p.221, figs.M, part. figs.F); Brodsky, 1950 (1967) (p.176, figs.F); Vervoort, 1952 f (n°47, p.3, fig.F, Rem.); Tanaka & Omori, 1969 (p.43, figs.F,M); Kos, 1972 (Vol.I, figs.F,M, Rem.); Vaupel Klein, 1972 (p.504, fig.F); 1984 a (p.38, 39, figs.F, Table II: characters, Rem.); He & al., 1992 (p.250); Markhaseva, 1996 (p.154, figs.F,M); Chihara & Murano, 1997 (p.685, Pl.35,39: F,M); Mulyadi, 2001 (p.815, figs.F, Rem.); Mulyadi, 2004 (p.45, figs.F, Rem.);

Figures

Planche 1 Issued from : W. Vervoort in Zool. Verh., Leiden, 1949, 5. [p.33, Fig.16]. Doubtful after Kos, 1972.
Female (Indo-Malaysian Seas): a, urosome (dorsal); b, forehead (lateral); c, distal part of thoracic segment and urosome (lateral left side).

Nota: A1 (24- free segments) reaches the distal margin of 3rd urosomal segment. The abdominal segments and furca in the proportional lengths 47:14:12:9:18 = 100.

Planche 2 issued from : R.B.S. Sewell in Mem. Indian Mus., 1929, X. [p.111, Fig.41].
Female (from S India): a, posterior thoracic margin and urosome (dorsal); b, genital segment (lateral left side); c, Mx1; d, P1.

Planche 3 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.61, Fig.4, b].
Female: b, helmet-shaped crest on forehead (left lateral side).

Species Euchirella galeatea - Planche 4 of morphological figures

Planche 4 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.63, Fig.5, j].
Female: j, setal armature of basipodite 2 of A2 (note: one short seta only).
Scale bar 0.2 mm.

Planche 5 issued from : C.O. Esterly in Univ. Calif. Publs Zool., 1905, 2 (4). [p.156, Fig.22].
Female (from San Diego Region): a, habitus (lateral), with spermatophores; b, basipodite 1 of P4.
Nota: Head with high crest and rostrum. Genital segment asymmetrical, strongly protruding on the posterior portion of the dorsal surface.
Nota: The basipodite 1 of P4 about as in E. pulchra, the spines not reaching to the distal border of the segment.

Species Euchirella galeatea - Planche 6 of morphological figures

Planche 6 issued from : O. Tanaka & M. Omori in Publ. Seto mar. Biol. Lab., 1969, XVII, 1. [p.44, Fig.4].
Female (from Pacific): a, forehead (lateral); b, urosome (dorsal); c, last thoracic segment and urosome (left lateral).

Male: d, forehead (lateral); e, Mx1; f, Mxp (distal part of 1st basal segment); g, P1; h, left P5 (distal segment of exopod); i, idem (another view); j-k, idem (from different specimens.

Nota from Markhaseva (1996, p.154): Cephalothorax nearly 4 times longer than urosome. Crest significantly lower than in female, rostrum slightly larger. Oral parts and P1-P4 close to that in E. bitumida.

Species Euchirella galeatea - Planche 7 of morphological figures

Planche 7 issued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.80, Fig.16, z].
Female: z, arrangement of medial spines on the posterior face of basal segment 1 of leftt P4 .
Scale bar 0.1 mm.
Nota: 1 single spine, of moderate size.

Species Euchirella galeatea - Planche 8 of morphological figures

Planche 8 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892, 19 , Atlas von 54 Tafeln. [Taf.36, Fig.26].
Female: 26, forehead (lateral).

Species Euchirella galeatea - Planche 9 of morphological figures

Planche 9 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892, 19 , Atlas von 54 Tafeln. [Taf.15, Fig.18]. With doubt ( perhaps Euchirella grandicornis).
Female: 18, basal segments of P4 (posterior view).

Species Euchirella galeatea - Planche 10 of morphological figures

Planche 10 Issued from : J.C. von Vaupel-Klein in Zool. Meded., Leiden, 19972, 47 (41). [p.507, Fig.3, c].
Female (from 8°34'N, 119°55'E): c, endopodite of right P1 (anterior view).

Nota: 'organ of Vaupel Klein' (see explanation to Euchirella curticauda).

Species Euchirella galeatea - Planche 11 of morphological figures

Planche 11 issued from : Mulyadi in Publ. by Res. Center Biol., Indonesia Inst. Sc. Bogor, 2004. [Fig.23]
Female (from 07°29'S, 121°05'E): a, habitus (dorsal); b, forehead (lateral); c, last thoracic segment and urosome with spermatophore (left lateral side); d, P4.

Species Euchirella galeatea - Planche 12 of morphological figures

Planche 12 issued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.157, Fig.119].
Female (from 12°12'S, 62°53'E).

Planche 13 Euchirella galeata female: 1 - Genital segment asymmetrical.
2 - Crest present.
3 - Coxopodite of P4 with 1 spine.
4 - Posterior corners of last thoracic segment symmetrical, roubed-rectangular (dorsal and lateral view).Endopodal segment 2 of A2 with 6 setae on each lobe.
5 - Crest high.
6 - Genital segment with only 1 projection on the left side (dorsal view), occupying all length of the segment. Exopodal segment 1 of A2 without projection.

Species Euchirella galeatea - Planche 14 of morphological figures

Planche 14 Issued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Table II ].
Euchirella galeata Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).

Species Euchirella galeatea - Planche 15 of morphological figures

Planche 15 Issued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.94, Table II (cont' d) ].
Euchirella galeata Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).

Species Euchirella galeatea - Planche 16 of morphological figures

Planche 16 Issued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.95, Table II (cont' d) ].
Euchirella galeata Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).

Références complémentaires

Liste des auteurs étudiés

Sciacchitano, 1930 (p.13); Sewell, 1948 (p.329, 365, 520, 529, 531, 534, 539, 545, 556, 566); Chiba & al., 1957 a (p.11); Fagetti, 1962 (p.19); Grice & Hulsemann, 1967 (p.15); Fleminger, 1967 a (tabl.1); Lee & al., 1971 (p.1150); Björnberg, 1973 (p.324, 386); Guangshan & Honglin, 1984 (p.118, tab.); Rudyakov, 1986 (tab.1); Shih & Young, 1995 (p.67); Ikeda & al., 2006 (p.1791, Table 2); Dur & al., 2007 (p.197, Table IV); Fernandes, 2008 (p.465, Tabl.2); Homma & al., 2011 (p.29, Table 3, abundance, feeding pattern: suspension feeders); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.)

Distribution

NZ: 9

Carte de distribution de Euchirella galeatea par zones géographiques

Distribution map of Euchirella galeatea for the Zone Indian Ocean

Distribution map of Euchirella galeatea for the Zone China Seas, Vietnam

Localisations

Glossaire géographique

S Atlant. (off Tristan da Cunha, off St. Helena Is.) (in Wolfenden, 1911), Laccadive Is., off Sri Lanka (E & SW), Indian, Bay of Bengal, Andaman Sea, Indonesia-Malaysia, Flores Sea, Philippines, China Seas (East China Sea, South China Sea), Taiwan (SW), Japan (Izu, NE), S Aleutian Is., Pacif. (W equatorial), Pacif. (tropical), California, off Galapagos, N Chile.

Type locality: Pacific (eastern part).

Citations

N: 29

Dimensions (mm)

Références de auteurs concernant les dimensions

(37) F: 6,7-5,2; M: 5,33-4,7; (41) F: 5,9-5,2; (47) F: 6,4; (110) F: 6,7-5,5; M: 5,25-4,7; (137) F: 5,86; M: 5,33; (142) F: 6,5; (855) F: 5,3; (1122) F: 5,3; (1257) F: 5,85-6,0; {F: 5,20-6,70; M: 4,70-5,33}

The mean female size is 5.869 mm (n = 11; SD = 0.6116) and the mean male size is 5.062 mm (n = 5; SD = 0.3321). The size ratio (male : female) is 0.86.

Remarques

épi-mésopélagique.
La femelle peut être confondue avec E. grandicornis.

Voir aussi les remarques en anglais

Dernière mise à jour : 22/02/2021