Spinocalanus spinipes - Species Card - Marine Planktonic Copepods

Spinocalanus spinipes 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

Spinocalanus abyssalis (F) : Tanaka, 1937 (part., p.253, figs.F, no M); no syn. de S. horridus (F) et S. magnus (M) in Damkaer, 1975 (p.26, 37)

References

List of the studied authors

Brodsky, 1950 (1967) (p.127, figs.F,M); Vaupel Klein, 1970 (p.8: Rem.); Minoda, 1971 (p.21); Brodsky & al., 1983 (p.287, figs.F, M, Rem.)

Figures

Plate 1 issued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.286, Fig.136].
Female: a, habitus (dorsal view); b, idem (right side); Md = masticatory edge of Md; P. md = mandibular palp of Md; Gnb = first inner lobe of Mx1; Gn =genital somite (ventral) and genital field.

Species Spinocalanus spinipes - 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.287, Fig.137].
Male: a, habitus (left side); b, idem (dorsal). lb = left; np = right

Plate 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.128 , Fig.45 ] .
Male: habitus (dorsal); S5: P5. NP = northern part of the Pacific Ocean.
Nota: Antennular base without stellate bundle of spines.

Female: habitus (dorsal and lateral left side); genital segment and abdominal segments 2 and 3; S1, P1.
Nota: Exopod of P1 with naked 2nd segment; basipod lacking spines. A1 longer than body by 2-2.5 distal segments.

Species Spinocalanus spinipes - Plate 4 of morphological figures

Plate 4 Issued from : O. Tanaka in Japanese J. Zool., 1937, VII, 13. [p.254, Fig.4, a-c]. As Spinocalanus abyssalis
Female (from coast of Heda, Japan): a, habitus (dorsal); b, azbdomen (lateral); c, P1.

Nota: Cephalothorax: 1.46 mm; abdomen: 0.52 mm.
Head and 1st thoracic segment separate, 4th and 5th separated.
Rostrum absent.
Abdomen 4-segmented.
length of abdomen + caudal rami contained 2.8 times in the length of the cephalothorax.
Length of abdominal segments and caudal rami 16 : 12 : 9 : 8: 7.
Ventral protuberance of the genital segment less prominent than that figured by Giesbrecht.
Abdominal segments 2 and 3 with fine hairs on the ventral side.
Distal margin of abdominal segments 1-3 finely striated.
Swimming legs scarcely different from the Giesbrecht's description. Outer marginal spine on the 1st exopodal segment of P1 more slender and shorter. Spinules observed on the ventral surface of the 3rd exopodal segment.
P3 and P4 missing.

Complementary References

List of the studied authors

Minoda, 1958 (p.253, Table 1, 2, abundance); Hattori, 1991 (tab.1, Appendix); Yamaguchi & al., 2002 (p.1007, tab.1); Homma & Yamaguchi, 2010 (p.965, Table 2); Homma & al., 2011 (p.29, Table 2, 3, abundance, feeding pattern: suspension feeders)

Distribution

NZ: 2

Distribution map of Spinocalanus spinipes by geographical zones

Localisations

Geographical glossary

Japan (off Sanriku, Suruga Bay), NW Pacif., Okhotsk Sea, Bering Sea, S Aleutian Basin, S off Aleutian Is.

Quotations

N: 9

Dimensions (mm)

References of the authors concerning dimensions

(22) F: 2,3; M: 2; (128) F: 1,98; (131) F: 2,5-2; M: 2,15-2; (208) F: 2,4-2,2; M: 2; {F: 1,98-2,50; M: 2,00-2,15}

Remarks

bathy-abyssopelagic.
Species maintained contrary to the opinion of Damkaer (1975, p.41).

Last update : 08/02/2016

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