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60 results for “Politolana”
Figure 18 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 18. Politolana haneyi male holotype: (A–C) pereopods 1–3, respectively.
Figure 14. Politolana impostor n in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 14. Politolana impostor n.sp. female holotype: (A, B) pereopods 6 and 7, respectively.
Figure 12. Politolana impostor n in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 12. Politolana impostor n.sp. female holotype: (A–C) pereopods 1–3, respectively.
FIGURE 8 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 8. Consumption of local baited fish (vertebral columns of Trachurus trachurus (Linnaeus, 1758) and skin of undetermined deep-sea shark) by benthic scavengers (mainly Politolana sanchezi sp. nov.) during a 12h TFS night trophic experiment on the bottom of the Cantabrian continental slope (15–16/04/2004, 602 m depth). (Photo: F. Sánchez).
FIGURE 4 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 4. Politolana sanchezi sp. nov., (A–G) paratype male (MNCN 20.04/8351); posterior face of left pereopods: (A) pereopod 1, (B) pereopod 2, (C) pereopod 3, (D) pereopod 4, (E) pereopod 5, (F) pereopod 6, (G) pereopod 7. Scale bar: 1 mm.
FIGURE 3 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 3. Politolana sanchezi sp. nov., (A) holotype male (MNCN 20.04/8350); (B–G) paratype male (MNCN 20.04/ 8351); (A) frontal lamina, clypeus and labrum, (B) antennule, (C) antenna, (D) dorsal view of left mandible, (E) dorsal view of left maxillule, (F) dorsal view of left maxilla, (G) dorsal view of left maxilliped. Scale bars: 1 mm.
FIGURE 2 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 2. Politolana sanchezi sp. nov., (A) lateral and (B) dorsal views of holotype male (MNCN 20.04/8350); (C) pleotelson apex of paratype male (MNCN 20.04/8351) in dorsal view. Scale bars: A–B = 5 mm, C = 0.1 mm.
FIGURE 1 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 1. Geographical location of sampling stations where the isopod Politolana sanchezi sp. nov. was collected in the southeastern Bay of Biscay. Square: suprabenthic sledge; rhombus: fish-baited trap mounted on photogrammetric sledge; triangle: Flusha box corer.
FIGURE 5 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 5. Politolana sanchezi sp. nov., (A–C) paratype male (MNCN 20.04/8352), (D) paratype male (MNCN 20.04/ 8351); posterior face of left pleopods: (A) pleopod 1, (B) pleopod 2, (C) pleopod 5; (D) ventral view of left uropod. Scale bars: 1 mm.
FIGURE 7 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 7. Bioturbation of surficial sediments related to the scavenging behaviour of benthic crustaceans (mainly represented by the isopod Politolana sanchezi sp. nov.) during a 12h TFS night trophic experiment on the Cantabrian continental slope (15–16/04/2004, 602 m depth). A: photo n°1 (20h18) showing the initial bottom aspect with regular ripple marks at the beginning of the sequence. B: photo n° 20 (23h30) showing numerous isopods attracted by the baited fish of the trap, the disappearance of ripple marks in the area close to the sledge where the bioturbating activity of scavengers is maximal, the cloudy aspect of the near-bottom water just above the bioturbated area due to the presence of resuspended muddy bottom particles. (Photos: F. Sánchez).
FIGURE 6 in Politolana sanchezi sp. nov. (Crustacea: Isopoda: Cirolanidae), a new benthic bioturbating scavenger from bathyal soft-bottoms of the southern Bay of Biscay (northeastern Atlantic Ocean)
FIGURE 6. Geographical distribution of Politolana species, based on data from Wetzer et al. 1986, Riseman et al. 2001, 2002. Each species symbol on the planisphere is located at the sampling station of the corresponding holotype, except for P. eximia (original station not known; symbol positioned centrally on the Brazilian coast).
Table 1 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
<p><b>Table 1.</b> Measures of support for branches of <i>Politolana sensu stricto</i> (a monophyletic clade containing nine <i>Politolana</i> species, excluding the out-group genera and three outlying <i>Politolana</i> species: <i>P. dasyprion, P. obtusispina</i> and <i>P. crosnieri</i>)</p><table><tbody><tr><th>Branch #</th><th>Synapomorphies</th><th><i>b</i></th><th>Distance</th><th>Bootstrap</th></tr></tbody><tbody><tr><th>1</th><td>2</td><td>1</td><td>4</td><td>68%</td></tr><tr><th>2</th><td>3</td><td>3</td><td>5</td><td>86%</td></tr><tr><th>3</th><td>3</td><td>6</td><td>8</td><td>99%</td></tr><tr><th>4</th><td>2</td><td>3</td><td>4</td><td>78%</td></tr><tr><th>5</th><td>1</td><td>2</td><td>3</td><td>71%</td></tr><tr><th>6</th><td>2</td><td>2</td><td>3</td><td>66%</td></tr><tr><th>7</th><td>2</td><td>2</td><td>4</td><td>69%</td></tr><tr><th>8</th><td>0</td><td>1</td><td>1</td><td>52%</td></tr></tbody></table><p>Branch numbers correspond to Fig. 3. Synapomorphies include only those characters with a CI = 1; distance reflects the total amount of change on the branch, including homoplasious characters; <i>b</i> = Bremer support (decay index) of branch; bootstrap proportions are based on 1000 replicates, obtained with the heuristic search option in PAUP ver. 3.1.</p>
Figure 44 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 44. Politolana impressa female lectotype: (A) lateral aspect; (B) dorsal aspect; (C) pleon detail; (D) frontal lamina; (E) antenna; (F) antennule. Politolana impressa male: (G) penes.
Figure 33 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 33. Politolana concharum female neotype: (A–E) pleopods 1–5, respectively. Politolana concharum male (MCZ#6797): (F) pleopod 2. Politolana concharum female (USNM 288411): (G) uropod.
Figure 24 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 24. Politolana polita male (MCZ#8433): (A) maxilla; (B) right mandible; (C) right maxilliped; (D) maxillule; (E) right uropod.
Figure 5 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 5. Scanning electron micrographs showing frontal lamina morphologies: (A) P. impostor (USNM#34512, female); (B) P. wickstenae (LACM#3012, female); (C) P. impressa (GCRL#1354, male); (D) P. polita (USNM#191877).
Figure 15. Politolana impostor n in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 15. Politolana impostor n.sp. female holotype: (A–E) pleopods 1–5, respectively. Politolana impostor male: (F) pleopod 2.
Figure 48 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 48. Politolana impressa female lectotype: (A, B) pereopods 6 and 7, respectively.
Figure 30 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 30. Politolana concharum female neotype: (A–C) pereopods 1–3, respectively.
Figure 46 in Taxonomy, phylogeny and biogeography of Politolana Bruce, 1981 (Crustacea: Isopoda: Cirolanidae)
Figure 46. Politolana impressa female lectotype: (A–C) pereopods 1–3, respectively.
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