Species Card of Copepod
Calanoida ( Order )
    Spinocalanoidea ( Superfamily )
        Arctokonstantinidae ( Family )
            Caudacalanus ( Genus )
Caudacalanus mirus  Markhaseva & Schulz, 2008   (F)
Markhaseva & Schulz, 2008a (p.280, figs.F)
Species Caudacalanus mirus - Plate 1 of morphological figuresissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2008, 1866. [p.281, Fig.1].
Female (from Antarctic): A-B, habitus (dorsal and lateral, respectively); C, rostrum (lateral); D, forehead with rostrum (ventral); E, posterior corners of prosome (dorsal); F, urosome (dorsal); G, same (lateral); H, posterior corners of prosome and genital double-somite (lateral); I, same (lateral); K, genital double-somite (ventral).
Scale bars 0.1 mm.
Paratype: C, E-G; other figures: holotype.
Nota : Prosome 1.3-1.5 times as long as urosome.
Rostrum as an elongate cone.
A1 25-segmented (segments 24-25 incompletely separate).
Genital double-somite symmetrical.
Caudal rami asymmetrical ; right ramus nearly twice as long and wide as left ; both rami with 4 terminal setae ; right ramus with a small mediodorsal seta, ventral seta lacking ; left ramus with a small medioventral seta, dorsal seta lacking.

Species Caudacalanus mirus - Plate 2 of morphological figuresissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2008, 1866. [p.282, Fig.2].
Female (holotype): A, A2; B, Md (gnathobase); C, Md (palp); D, Mx1 (a: praecoxal arthrite; b: coxal epipodite; c: coxal endite; d: endopod fused to exopod); E, Mx2; F, Mxp.
Scale bars 0.1 mm.
Nota : A2 endopod about 1.8 times as long as exopod ; exopod 8-segmented with 0, 1, 1, 1, 1, 1, 1 and 3 setae ; 2nd segment complex of 3 ancestral segments (with 0-0-1 setae).
Md : gnarthobase with 4 large teeth and seta ; basis with 2 setae ; endopod segment 1 without setae, segment 2 with 8 setae ; exopod 5-segmented with 1, 1, 1, 1, and 2 setae.
Mx1 : praecoxal arthrite with 7 terminal spines (8 in paratype) and 2 posterior setae ; coxal epipodite with 1 seta ; coxal endite with 4 setae, 2 long and strongly sclerotized ; proximal basal and distal basal endites reduced ; endopod fused to exopod, without setae.Mx2praecoxal and coxal endites with 2 setae each ; basis without setae ; endopod 3-segmented with 1, 1 and 2 setae.
Mxp : syncoxa with 2 setae on distal praecoxal endite, 1 seta longer than basis plus endopod and curved in terminal part ; coxal endite with 1 seta ; basis with 1 medial seta ; endopod 3-segmented with 1, 1 and 1 setae.

Species Caudacalanus mirus - Plate 3 of morphological figuresissued from : E.L. Markhaseva & K. Schulz in Zootaxa, 2008, 1866. [p.283, Fig.3].
Female: A, segments 1-11 of A1 (ancestral segments I-XIV), dotted setae are additions from paratype); B, segments 12-20 of A1 (ancestral segments XV-XXIII); C, segments 21-25 of A1 (ancestral segments XXIV-XXVIII); D, segments 23-25 (ancestral segments XXVI-XXVIII); E, P1; F, P1 (from paratype), terminal part of exopod segment 3; G, P2; H, P3; I, P4.
Scale bars 0.1 mm.

NZ: 1

Distribution map of Caudacalanus mirus by geographical zones
Antarct. (60°-65° S, 51-53°W)
N: 1
(1051)F: 2,7-2,8; {F: 2,70-2,80}
Rem.: Bathyal-abyssal (above the seabed at (2883-2889 m and 3050 m)
Last update : 31/12/2014
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed February 22, 2024]

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