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Calanoida ( Order ) |
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Arietelloidea ( Superfamily ) |
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Heterorhabdidae ( Family ) |
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Heterorhabdus ( Genus ) |
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Heterorhabdus pacificus Brodsky, 1950 (F,M) | |
| | | | | | | Syn.: | Heterorhabdus vicinus Tanaka, 1953 (p.134);
Heterorhabdus (Heterorhabdus) pacificus : Bradford-Grieve,1999 b (p.81, figs.F,M, Rem., figs.174, 191) | | | | Ref.: | | | Brodsky, 1950 (1967) (p.355, figs.F,M, Rem.); Tanaka, 1964 a (p.4, figs.F,M, Rem.); Vaupel-Klein, 1970 (p.38, figs.F); Bradford, 1971 a (p.128, fig.M); Nishida & Ohtsuka, 1996 (p.620); Chihara & Murano, 1997 (p.818, Pl.119,121: F,M); Park, 2000 (p.135, figs.F,M, Rem.) |  issued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.260, Fig.108]. Female: a, habitus (left side); b, urosome (dorsal); c, d, forehead (left, dorsal, respectively); e, f, genital somite (ventral, left, respectively); g, left Mx2 (posterior); h, P5 (anterior); i, exopod of P5 (posterior).
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 issued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.261, Fig.109]. Male: a, P5 (anterior); b, right P5 (distal segments of rami omitted), anterior; c, idem (posterior); d, basipod of right P5 (anterior); e, distal end of exopod of right P5 (lateral); f, exopod of left P5 (anterior); g, h, second exopodal segment of right P5 (anterior, posterior, respectively).
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 issued from : J.M. Bradford-Grieve in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). NIWA Biodiversity Memoir, 111, 1999. [p.82, Fig.49]. Female: A, urosome (dorsal); B, genital somite (left lateral side); C, lobe 4 of Mx2. Male: D, P5 (L = left leg; R = right leg).
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 issued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1964, XII (1). [p.5, Fig.176]. Female: a, habitus (dorsal); b, last thoracic segment and genital somite (lateral left side); c, idem (other specimen); d, idem (ventral); e, Mxp; f, curved spine on the 2nd basal segment of P1; g, P5. Nota: The urosome segments and furca are in the proportional lengths as 47:14:10:8:21 (right) = 100. The genital somite slightly asymmetrical.A1 exceeds the end of the furca by 2 terminal segments. Male: h, P5; i, urosome (dorsal). Nota: The urosome segments and furca are in the proportional lengths as 21:17:15:13:6:28 = 100. A1 exceeds the end of the furca by one terminal segment.
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 Issued from : J.C. von Vaupel-Klein in Zool. Verh. Leiden, 1970, 110. [p.32, Fig.15,a-c]. Female: a, genital complex (lateral right side); b, left Md (chewing plate); c, right Md (chewing plate). Nota: The specimens shows differences in the structure of the chewing plates; Brodsky described the mandibles of the females as \"symmetrical, except for the number of teeth\". In our specimens the number of teeth is 2 on the left mandible and 3 on that of the right mandible. The caudal margins of the urosomal somites have serrated edges, but not mentioned by Brodsky (1950).
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 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.355, Fig.250]. Female (from NW Pacific): habitus (dorsal and lateral right side); M Ri, Md (buting edge, right side view); urosme (lateral left side) ; S5, P5. Male: S5, P5.
| | | | | Compl. Ref.: | | | Morris, 1970 (p.2301); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Yamaguchi & al., 2002 (p.1007, tab.1); Shimode & al., 2005 (p.113 + poster); Galbraith, 2009 (pers. comm.) | | | | NZ: | 10 | | | | | |  Chart of 1996 | |
| | | | Loc: | | | Japon (Izu, Nansei Is.), Station Knot, Pacif. NW & NE, Station "P", off British Columbia, Pacif. central subtropical N, Pacif. (N-S & E-W), Nouvelle-Zélande (North Island SW, N), Mer de Tasman N, Indien (tropical S), Atlant. (S-N), off Bermuda (in Deevey & Brooks, 1977, Station "S") | | | | N: | 12 | | | | Lg.: | | | (22) F: 3,5; M: 3,2; (121) F: 3,73-3,4; M: 3,35-3,07; (205) F: 3,75-3,25; (808) F: 3,55-3,31; (824) F: 3,84-2,88; M: 3,96-2,92; (909) F: 3,2-3,5; M: 2,9-3,15; {F: 2,88-3,84; M: 2,90-3,96} | | | | Rem.: | "Abyssalis" Group.
bathy-abyssopelagic. Sargasso Sea: 500-2000 m (Deevey & Brooks, 1977, Station "S");
For Brodsky (1967, p.356) this species resembles E. abyssalis, but a comparison of the females between Atlantic and Pacific specimens is difficult. The male differs from the Gisebrecht's form from the Pacific in its greater size, in the the structure of the process on the basipodite of P5 and in the position of the process on the exopodite.
For Bradford-Grieve (1999 b, p.82) the species is closely related to H. proximus with which it shares the same ventral profile of the female genital somite (seen in lateral view), although H. proximus does not have the unusually shaped urosome segment 2 of H. pacificus. The male P5 is similar to H. spinosus but differs from it by the longer terminal seta/ spines on right and left exopod segment 3.
For Tanaka (1964 a, p.7) The present species is closely allied to H. abyssalis and H. norvegicus. | | | Last update : 22/11/2012 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2012. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en
[Accessed May 21, 2013] © copyright 2005-2012 CNRS, UPMC
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