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Marine Planktonic Copepods
Kyphocalanus atlanticus  Markhaseva & Schulz, 2009   (F)
Taxonomy
Order Calanoida
Superfamily Clausocalanoidea
Family Kyphocalanidae

References

Markhaseva & Schulz, 2009 (p.24, figs.F)

Figures

Plate 1 issued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2009, 2304. [p.25, Fig.1].
Female (from 16°18'S, 05°27'E): A-B, habitus (dorsal and lateral, respectively); C, rostrum (anteroventral); D, forehead (lateral); E, posterior prosome and urosome (dorsal); F, same (lateral).
Scale bars: A-B, D 0.5 mm; C,E-F 0.1 mm.
Nota : Rostrum with 2 strong prong-like rami.
- Prosome 5.2 times as long as urosome.
- Cephalosome and pedigerous segment 1 and segments 4 and 5 separate.
- Urosome 4-segmented.
- Caudal rami with 4 terminal setae, 1 ventral and 1 dorsal setae.
Plate 2 issued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2009, 2304. [p.26, Fig.2].
Female: A, A1 (segments 1-15 [ancestral segments I-XVIII]); B, A1 (segments 16-24 [ancestral segments XIX-XXVIII]); C, A2; D, Md.
Scale bars 0.1 mm.
Nota : A1 24-segmented, extending to distal margin of pediger 4.
- A2 coxa with 1 seta, basis without seta ; exopod 8-segmented with armature : 0, 1, 1, 1, 1, 1, 1 and 3 setae, about 1.8 times as long as endopod.
- Md gnathobase long and slender, cutting edge narrow, with 4 acute and 4 or 3 small teeth plus dorsal seta. Exopod 5-segmented, armature : 1, 1, 1, 1, and 1 setae. Endopod segment 1 withoit setae, segment 2 with 9 setae..
Plate 3 issued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2009, 2304. [p.27, Fig.3].
Female: A, Mx1; B, Mxp; C, P5.
Scale bars 0.1 mm.
Nota : Mx1, praecoxal endite with 3 terminal setae ; coxal endite with 2 setae ; proximal basal endite without seta, distal basal endite with 1 seta ; endopod with 5 setae ; exopod with 7 setae ; coxal epipodite with 9 setae.
- Mxp syncoxa with 1 worm-like, comparably thin and short sensory seta on proximal praecoxal lobe, 2 long and thick worm-like setae on middle lobe extending to distal part of endopod ; distal praecoxal lobe without setae ; coxal lobe with 1 seta. Basis with 3 setae. Endopod 6-segmented with 2, 4, 2, 2, 2+1 and 4 setae.
- P5 3-segmented ; coxa and basis of equal length ; coxa with distolateral row of 6 spinules ; basis with patch of spinules distolaterally ; exopod ornamented with rare surface spinules and 2 distal spines, terminal spine about 0.6 times length of subterminal inner spine.
Plate 4 issued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2009, 2304. [p.228, Fig.4].
Female: Mx2.
Scale bar 0.1 mm.
Nota : Mx2 proximal praecoxal endite with 2 setae ; distal praecoxal endite with 2 setae ; proximal coxal endite with 2 setae ; distal coxal endite with 2 setae ; proximal basal endite with 1 spine ; distal basal endite plus endopod with 8 long and thick worm-like sensory seta.
Plate 5 issued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2009, 2304. [p.229, Fig.5].
Female: A, right P1; B, P1 (left endopod); C, P2; D, P3; E, P4.
Scale bars 0.1 mm.

Distribution

NZ: 1

Distribution map of Kyphocalanus atlanticus by geographical zones


Localisations

S Atlantic (16°18'S, 05°27'E)

Quotations

N: 1

Dimensions (mm)

Remarks

above the sea bed (5390 m)
Last update : 28/03/2016

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