Neoscolecithrix koehleri - Species Card - Marine Planktonic Copepods

Neoscolecithrix koehleri Canu, 1896 (F,M)

Taxonomy

Order Calanoida

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Superfamily Clausocalanoidea

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Family Scolecitrichidae

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Genus Neoscolecithrix

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Abbreviations or symbols

Synonymy

Scolecithrix koehleri : Giesbrecht & Schmeil, 1898 (p.47, Rem.F,M);
Oothrix bidentata Farran, 1905 (p.42, figs.F, ? Juv); Pearson, 1906 (p.21); Rose, 1933 a (p.140, figs.F); Brodsky & al., 1985 (p.125, 126); ? no Chen & Zhang, 1965 (p.58, figs.F); Shih & Young, 1995 (p.71)

References

List of the studied authors

Canu, 1896 (p.426, figs.F,M); Bradford & al., 1983 (p.123); Hulsemann, 1985 (p.60, 61, Rem.: Juv. F); Bradford-Grieve, 2001 a (p.790: Rem.)

Figures

Plate 1 issued from : K. Hulsemann in Polar Biol., 1985, 5. [p.61, Table 2].
Selected characters in females. B = basipod; Ri = endopod; Re = exopod.

Species Neoscolecithrix koehleri - Plate 2 of morphological figures

Plate 2 issued from : G.P. Farran in Ann. Rep. Fish. Brch., Ireland, 1902-1903, II, App. 2, 1905. [Plate X, Figs.15-18]. As Oothrix bidentata (Juvenile ?).
Female (from W ireland): 15, habitus (lateral); 16, rostrum (ventral); 17, A1; 18, A2.
Nota: A1 24-segmented; A2 with exopod slightly longer than endopod.

Species Neoscolecithrix koehleri - Plate 3 of morphological figures

Plate 3 issued from : G.P. Farran in Ann. Rep. Fish. Brch., Ireland, 1902-1903, II, App. 2, 1905. [Plate XI, Figs.1-10]. As Oothrix bidentata (Juvenile ?).
Female (from W ireland): 1, Md (mandibular palp); 2, Md cutting edge from another specimen); 3, Mx1; 4, Mx2; 5, Mxp; 6-8, P1 to P3; 9, P5; 10, P5 (from another specimen).

Complementary References

List of the studied authors

Bradford-Grieve, 2004 (p.285)

Distribution

NZ: 3

Distribution map of Neoscolecithrix koehleri by geographical zones

Localisations

Geographical glossary

Bay of Biscay, W Ireland, Scotland, Greenland Sea

Quotations

N: 5

Dimensions (mm)

References of the authors concerning dimensions

(58) F: 3; (591) F: 4-3,5; M: 4-3,5; {F: 3,00-4,00; M: 3,50-4,00}

Remarks

After examination of specimens of male and female, T. Scott (1909, p.126) establishes that Oothrix bidentata is identical with Neoscolecithrix koehler.
The form described by Chen & Zhang (1965) could be a juvenile of a species not yet known, or maybe of Neoscolecithrix japonica.

Last update : 16/09/2021

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