Species Card of Copepod
Calanoida ( Order )
    Spinocalanoidea ( Superfamily )
        Spinocalanidae ( Family )
            Mimocalanus ( Genus )
Mimocalanus distinctocephalus  Brodsky, 1950   (F,M)
Syn.: Mimocalanus nudus : Damkaer, 1975 (part., p.69, figs.F,M: 169-175, 177);
no M. distinctocephalus : Vidal, 1971 a (p.18, figs.F); Damkaer, 1975 (Rem.: p.69, 72); Boucher & de Bovée, 1970 (p.527); Kovalev & Schmeleva, 1982 (p.83); Vives & Shmeleva, 2007 (p.823)
Ref.:
Brodsky, 1950 (1967) (p.137, figs.F); Johnson, 1963 (p.94, 101, Rem.M, Table 1, 2); Vaupel-Klein, 1970 (p.10); Minoda, 1971 (p.23); Razouls, 1974 (1975 a) (p.497, figs.F, tab.I, II, III, IV); Brodsky & al.,1983 (p.312, figs.F, M, Rem.)
Species Mimocalanus distinctocephalus - Plate 1 of morphological figuresAbove: Fig.153, p.313; issued from : Brodsky K.A., Vyshkvartzeva N.V., Kos M.S. and Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.313, Fig.153].
Female: habitus (lateral, dorsal); Mxp; Mx1; Md (pars molaris); P1; P2; Urosome (Abd, lateral); palp of Md (P.md); genital somite (Gn, ventral).
Below: Fig.1, p.499; issued from : Razouls C. in Vie Milieu, 1974, (A)24(3).
Female: A, A2; B, Md (coxa); B, B', pars molaris; C, Md (palp); D, Mx1; ; E, Mx2; F, Mxp. (type loaned by K.A. Brodsky, Zoological Institute of Leningrad).


Species Mimocalanus distinctocephalus - Plate 2 of morphological figuresissued from : Damkaer D.M. in NOAA tech. Rep. NMFS Circ., 1975, 391. [p.70, Fig.169-175]. As Mimocalanus nudus.
Female: 169, habitus (dorsal); 170, idem (left lateral side); 171, masticatory edge of Md.

Male: 172, habitus (dorsal); 173, idem (right lateral side); 174, masticatory edge of Md; 175, P5.


Species Mimocalanus distinctocephalus - Plate 3 of morphological figuresIssued 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.138, Fig.56].
Female (from Pacif. NW: 44°55 N, 152°24 E): habitus (dorsal and lateral right side); Mp1, Mx2; S1, P1; S2, P2.
Nota: Probably an error concerning the lack of seta on the 1st endopodal segment of P2.


Species Mimocalanus distinctocephalus - Plate 4 of morphological figuresissued from : C. Razouls in Vie Milieu, (1974) 1975, 24 (3, sér.A). [p.499, Fig.1].
Female (paratype from 44°55'N, 152°24'E, Zoological Institute, Leningrad): A, A2; B, Md (mandibular gnathobase), B'-B'', Md (biting edge); C, Md (mandibular palp); D, Mx1; E, Mx2; F, Mxp.


Species Mimocalanus distinctocephalus - Plate 5 of morphological figuresissued from : C. Razouls in Vie Milieu, (1974) 1975, 24 (3, sér.A). [p.500, Table I].
Female (paratype): Chetotaxy of basipodal segments of Md. (Si = number of inner seta; St = number of terminal seta).


Species Mimocalanus distinctocephalus - Plate 6 of morphological figuresissued from : C. Razouls in Vie Milieu, (1974) 1975, 24 (3, sér.A). [p.500, Table II].
Female (paratype): Chetotaxy of Mx1. (Basi : basipodite; Li = inner lobe; Le = outer lobe; Ri = endopodite; Re = exopodite; SF = stout seta).


Species Mimocalanus distinctocephalus - Plate 7 of morphological figuresissued from : C. Razouls in Vie Milieu, (1974) 1975, 24 (3, sér.A). [p.501, Table III].
Female (paratype): Chetotaxy of Mx2. (basi = basipodite; L = lobe; Endo = endopodite).


Species Mimocalanus distinctocephalus - Plate 8 of morphological figuresissued from : C. Razouls in Vie Milieu, (1974) 1975, 24 (3, sér.A). [p.502, Table IV].
Female (paratype): Chetotaxy of Mxp. (basi = basipodite; Ri = endopodite; Si inner seta; Se = outer seta).

Compl. Ref.:
Harding, 1966 (p.17, 71); Dunbar & Harding, 1968 (p.315, Rem.: p.322); ; Voronina & Kolosova, 1999 (p.71); Homma & Yamaguchi, 2010 (p.965, Table 2); Homma & al., 2011 (p.29, Table 2, abundance, feeding pattern: suspension feeders)
NZ: 5

Distribution map of Mimocalanus distinctocephalus by geographical zones
Loc:
Japan Sea, Okhotsk Sea, Bering Sea, S Aleutian Basin, Station. "P" (50°N, 145°W), Alaska Gulf, Arct.: Polar Bassin (rare), Antarct. (Fletcher's Ice Is.)
N: 9
Lg.:
(13) F: 2,5-2,7; M: 2,5; (22) F: 2,6; M: 2,5; (208) F: 2,6; {F: 2,50-2,70; M: 2,50}
Rem.: Mesopelagic, abyssopelagic.
Voronina & Kolosova (1999) report this species for the first time in Antarctica.
Last update : 17/01/2015
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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 July 24, 2024]

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