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Calanoida ( Order ) |
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Clausocalanoidea ( Superfamily ) |
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Scolecitrichidae ( Family ) |
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Omorius ( Genus ) |
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Omorius atypicus Markhaseva & Ferrari, 2005 (F) | |
| | | | | | | Ref.: | | | Markhaseva & Ferrari, 2005 a (p.145,Descr.F, figs.F, Rem.
|  issued from : E.L. Markhaseva & F.D. Ferrari in Invert. Zool., 2005, 2 (2). [p.145, Fig.20]. Female (from 13°23'N, 102°27'W): A-B, habitus (dorsal and lateral, respectively); C, forehead (lateral, right side); D-E, posterior prosome and urosome (dorsal and left lateral, respectively); F, A1 (segments 1-13); G, idem (segments 14-24). Scale bars: 0.1 mm. Nota : Prosome 4.4 times longer than urosome. - Cephalosome and pediger segment 1 fused dorsally, separate in lateral view, 4th and 5th fused dorsally, separate laterally. - Posterior corners of prosome as rounded lobes laterally. - Genital complex with small spinules dorsally and laterally , distal part of spermathecae rounded. Rostrum without filaments. - A1 24-segmented. - Caudal ramus with 4 large, thick, terminal setae, 1 small dorsal seta and 1 small medial ventral seta.
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 issued from : E.L. Markhaseva & F.D. Ferrari in Invert. Zool., 2005, 2 (2). [p.146, Fig.21]. Female: A, A2 (protopod and endopod); B, A2 (exopod); C-D, Md (gnathobase; posterior and proximal, respectively); E, Md (basis); F, Md (exopod and endopod); G, Mx1. Scale bars: 0.1 mm. Nota : A2 : coxa with 1 seta ; basis with 2 setae ; endopod 2-segmented, proximal segment with 2 setae, distal with 14 (6 terminal and 8 subterminal) ; exopod 8-segmented with 1, 3, 1, 1, 1, 1, 1, 3 setae. - Md : gnathobase with tooth-like knob on posterior face and medial margin wide, proximally to distally with 9 teeth and 1 seta ; basis with 3 setae ; endopod 2-segmented, proximal segment with 2 setae, distal with 9 setae ; exopod with 1, 1, 1, 1, 2 setae. - Mx1 : praecoxal endite with 4 posterior setae and 9 terminal setae, 3rd and 4th (2nd and 3rd from proximal seta) thin and slightly curved ; coxal endite with 2 setae, coxal epipodite with 9 setae ; proximal basal endite with 2 setae, distal basal endite with 3 setae ; endopod articulating with basis, with groups of 2 and 5 setae ; exopod with 4 setae.
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 issued from : E.L. Markhaseva & F.D. Ferrari Invert. Zool., 2005, 2 (2). [p.147, Fig.22].
Female: A, Mx2; B, Mxp (syncoxa); C, Mxp (basis and endopod); D, P1 (basis and rami; anterior); E, P1 (endopod; anterior).
Scale bars: 0.1 mm.
Nota : Mx2 : proximal praecoxal endite with 4 setae, distal with 3 setae, 1 thick ; proximal coxal endite with 3 setae, 1 thick, distal coxal endite with 3 setae, 1 thick ; proximal basal endite with 4 setae, 1 thick, 1 worm-like and 3 brush-like setae.
- Mxp : praecoxal endites of syncoxa with 1, 2, 1 sclerotized setae ; coxal endite with 3 setae ; basis with a row of small denticles proximally, 3 medial setae, 2 setae on distal endite ; endopod 5-segmented with 4, 4, 3, 3 +1, 4 setae. P1 : endopod 1-segmented with 3 medial and 2 terminal setae ; Von Vaupel Klein’ organ with seta of basis slightly curved ; anterior knob with denticles and lateral denticles distally.
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 issued from : E.L. Markhaseva & F.D. Ferrari in Invert. Zool., 2005, 2 (2). [p.148, Fig.23]. Female: A, P2 (coxa, basis and exopod; anterior); B, P2 (endopod; posterior); C, P3 (protopod, proximal exopodal segment, and proximal and middle segments; posterior); D, P3 (middle and distal exopodal segments); E, P4 (protopod, proximal exopodal segment, and proximal and middle endopodal segments; posterior); F, P5. Scale bars: 0.1 mm. Nota : P5 3-segmented all with denticles posteriorly ; distal segment (exopod) with a long medial, 1 short lateral and 1 short subterminal setae and 1 terminal attenuation.
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Distribution map of Omorius atypicus by geographical zones
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| | | | Loc: | | | E Pacif. tropical (Volcano 7: 2146 m)
Type locality: 13°23' N, 102°27' W. | | | | N: | 1 | | | | Lg.: | | | (954) F: 1,57; {F: 1,57} | | | | Rem.: | hyperbenthic (depths 3022-3100 m). | | | Last update : 30/03/2016 | |
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 Any use of this site for a publication will be mentioned with the following reference :
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 November 21, 2024] © copyright 2005-2024 Sorbonne University, CNRS
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