Spinocalanus stellatus - Species Card - Marine Planktonic Copepods

Spinocalanus stellatus Brodsky, 1950 (F,M)

Taxonomy

Order Calanoida

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Superfamily Spinocalanoidea

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Family Spinocalanidae

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Genus Spinocalanus

details list species for this Genus

Abbreviations or symbols

Synonymy

References

List of the studied authors

Brodsky, 1950 (1967) (p.126, figs.F,M); Vaupel-Klein,1970 (p.4, 8, figs.F, Rem.); Minoda, 1971 (p.21); Damkaer, 1975 (p.37, 44); Brodsky & al., 1983 (p.281, figs. F,M, Rem.); Bode & al., 2017 (p.600, Table I, fig. 2, 3, 4, morphology vs genetic).

Figures

Plate 1 issued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.283, Fig.133].
Female: a, habitus (dorsal view); b, idem (right side); Gn = genital somite (ventral) and genital field.

Species Spinocalanus stellatus - Plate 2 of morphological figures

Plate 2 issued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.282, Fig.133].
Female: Md = masticatory edge of Md; P. md = palp of Md; Gnb = first, second and third inner lobe of Mx1.

Species Spinocalanus stellatus - Plate 3 of morphological figures

Plate 3 issued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.284, Fig.134].
Male: a, habitus (left side); b, idem (dorsal view). P md = palp of Md; Md = masticatory plate of Md. lb = left.

Species Spinocalanus stellatus - Plate 4 of morphological figures

Plate 4 issued from : J.C. von Vaupel Klein in Zool. Verh. Leiden, 1970, 110. [p.5, Fig.1,b-f].
Female: b, c, genital somite (lateral view rom right side); d, f, P1 of two specimens (anterior surface); e, left P1 of the pair figured as fig.f).

Nota: All specimens from weathership \"P\" (50°N, 145°W) have distinct spines on the basipod 1 of P1. The caudal borders of the genital and 2nd abdominal somites toothed dorsally.

Species Spinocalanus stellatus - Plate 5 of morphological figures

Plate 5 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.126, Fig.44]
Female: habitus (dorsal , lateral right side); genital segment and 2nd abdominal segment (lateral left side); S1, P1; S2, P2; S4, P4.

Male: habitus (dorsal and lateral right side; S5, P5.

Plate 6 Issued from : M. Bode, S. Laakmann, P. Kaiser, W. Hagen, H. Auel & A. Cornils in J. Plankton Res., 2017, 39 (4). [p.604, Table I].
Species identified via morphological and molecular analyses, including the number of specimens used for each identification method (MI: morphological identification, COI: cytochrome c oxydase subunit I gene fragment, MS: MALDI-TOF analysis, 18 S: ribosomal 18 S gene fragment).
Cryptic lineages were revealed only after molecular analysis.
Sampling depth, latitude, total length (TL) and Prosome/Urosome ratio (Pr:Ur) of taxon were recorded.
morphological characters are only listed here, if the identification was ambiguous due to missing body parts or if cryptic or pseudocryptic lineages were revealed during molecular analyses.
For diagnostic character of species refer to the references: Park, 1970; Grice, 1971; Damkaer, 1975; Schulz, 1989, 1996.
C = coxa; B = basis; P = swimming legs.

Complementary References

List of the studied authors

Ikeda & al., 2006 (p.1791,Table 2); Yamaguchi & al., 2002 (p.1007, tab.1); Galbraith, 2009 (pers. comm.); Homma & Yamaguchi, 2010 (p.965, Table 2); Homma & al., 2011 (p.29, Table 2, 3, abundance, feeding pattern: suspension feeders);

Distribution

NZ: 4

Distribution map of Spinocalanus stellatus by geographical zones

Localisations

Geographical glossary

Japan, Station Knot, Okhotsk Sea, Bering Sea, S Aleutian Basin, S Aleutian Is., NW & NE Pacif., off British Columbia (rare), SE Atlant. (25°S, 10°E)

Quotations

N: 9

Dimensions (mm)

References of the authors concerning dimensions

(22) F: 3-2,5; M: 2,9; (131) F: 3,4-2,4; M: 2,9-2,55; (208) F: 2,8; (1252) F: 2,23-2,25; {F: 2,23-3,40; M: 2,55-2,90}
(1252) F: Pr/Ur = 2,5-2,6.

Remarks

Species maintained in Brodsky & al. (1983, 281) who estimate that Spinocalanus horridus in Damkaer (1975, p.37) is not a synonym of this species; likewise these authors (1983, (p.281, 287) consider that S. stellatus in Vaupel Klein (1970) is a synonym with doubt of S. spinipes, but without providing arguments.
See remarks in S. longispinus/stellatus in Bode & al. (2017, p.610) in the species S. longispinus

Last update : 27/03/2020

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