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Misophrioida ( Order ) |
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Speleophriidae ( Family ) |
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Archimisophria ( Genus ) |
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Archimisophria squamosa Alvarez, 1985 (F) | |
| | | | | | | Ref.: | | | Alvarez, 1985 b (p.953, Descr.F, figs.F); Boxshall & Halsey, 2004 (p.223: fig.F) |  issued from : M.P.J. Alvarez in J. Nat. Hist., 1985, 19. [p.954, Figs.1-4]. Female (from 24°08'S, 42°28'W): 1, habitus (dorsal); 2, urosome (ventral); 3, A1; 4, labrum (posterior view). Scale bars: 0.1 mm. Nota: Prosome apparently 4-segmented with the 1st free thoracic somite entirely covered by a carapace-like extension from the posterior margin of the cephalosome. Nauplius eye not observed. Urosome 6-segmented. Surface of prosome and all urosomal segments with a squamose-like ornamentation.
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 issued from : M.P.J. Alvarez in J. Nat. Hist., 1985, 19. [p.956, Figs.5-9]. Female: 5, A2; 6, idem (2nd endopod segment); 7, Md; 8, Md (mandibular gnathobase; other appendage); 9, Mxp. Scale bar: 0.1 mm. Nota: Endopod of A2 2-segmented with an incomplete suture in the 2nd segment.
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 issued from : M.P.J. Alvarez in J. Nat. Hist., 1985, 19. [p.957, Figs.10-14]. Female: 10, Mx1; 11, spines with a sensory apex of 1st endite of Mx1; 12, Mx2; 13, P1 (incomplete); 14, P2 (incomplete). Scale bars: 0.1 mm.
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 issued from : M.P.J. Alvarez in J. Nat. Hist., 1985, 19. [p.958, Figs.15-20]. Female: 15 to 18, intercoxal plates, legs 1 to 4 respectively; 19, P3 (incomplete); 20, P4 (incomplete). Scale bars: 0.1 mm.
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 issued from : M.P.J. Alvarez in J. Nat. Hist., 1985, 19. [p.954]. Female: Armature of A1 on segments 1 to 27.
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Distribution map of Archimisophria squamosa by geographical zones
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| | | | Loc: | | | SW Atlant. (S Brazil) | | | | N: | 1 | | | | Lg.: | | | (607) F: 1,6; {F: 1,60} | | | | Rem.: | hyperbenthic.
For Alvarez (1985, p.955) Mx1 shows a important feature: the 2-segmented condition of the exopod, which has a complete suture with 1 seta in the outer margin; this is a remarkable feature not observed in any other copepod group. The possession of the 2-segmented exopod (plesiomorphic character) is an indication that their phylogenetic position lies close to the base of the podoplean lineage. | | | Last update : 29/12/2014 | |
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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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