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17 results for “Pontonia”
FIG. 2. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 2. — Pontonia panamica n. sp.: A, antennule, ventral view; B, antenna, ventral view; C, telson and uropods, dorsal view; D, posterior margin of telson, dorsal view; E, distolateral margin of uropodal exopod, dorsal view; F, G, telson, dorsal view; A-E, ♀ paratype, pcl 6.0 mm (MNHN-Na 16394); F, ♂ paratype, pcl 4.8 mm (MNHN-Na 16394); G, ♀ paratype, pcl 6.0 mm (USNM 1103080). Scale bars: 1 mm.
FIG. 8 in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 8. — Playa Venao, Pacific coast of Panama, type locality of Pontonia panamica n. sp.: A, general view of rocky intertidal at extreme low tide (arrow indicating exact location where specimens were collected); B, rocks close to water-line, partly immerged in sand-mud, where ascidians hosting shrimps where found; C, two solitary ascidians, Ascidia cf. interrupta Heller, 1878 (white arrows), hosts of P. panamica n. sp., attached to the lower surface of an overturned rock.
FIG. 7. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 7. — Pontonia panamica n. sp., general habitus and colour pattern: A, ♀ holotype, pcl 7.4 mm (MNHN-Na 16392); B, ♂ allotype, pcl 5.5 mm (MNHN-Na 16393).
FIG. 1. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 1. — Pontonia panamica n. sp.: A, B, anterior part of carapace, dorsal view; C, D, anterior part of carapace, lateral view; E-G, distal rostrum; A, E, ♀ holotype, pcl 7.4 mm (MNHN-Na 16392); B, ♂ allotype, pcl 5.5 mm (MNHN-Na 16393); C, F, ♀ paratype, pcl 6.0 mm (MNHN-Na 16394); D, G, ♂ paratype, pcl 4.8 mm (MNHN-Na 16394). Scale bars: 1 mm.
FIG. 4. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 4. — Pontonia panamica n. sp., ♀ paratype, pcl 6.0 mm (MNHN-Na 16394): A, right first pereiopod, lateral view; B, left second pereiopod, major cheliped, mesial view; C, same, distal chela; D, right second pereiopod, minor cheliped, mesial view; E, same, distal chela; G, left third pereiopod, mesial view. Scale bars: 1 mm.
FIG. 3. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 3. — Pontonia panamica n. sp., ♀ paratype, pcl 6.0 mm (MNHN-Na 16394): A-H, lateral view; A, mandible; B, same, distal margin of incisor process; C, maxillule; D, same, distal margin of palp; E, maxilla; F, first maxilliped; G, second maxilliped; H, third maxilliped; I, paragnath, ventral view. Scale bars: 1 mm.
FIG. 6. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 6. — Pontonia panamica n. sp., ♂ paratype, pcl 4.8 mm (MNHN-Na 16394): A, third pereiopod dactylus; B, second pleopod, lateral view; C, same, detail of appendix masculina; D, endopod of first pleopod, mesial view. Scale bars: A, D, 0.1 mm; B, 0.3 mm.
FIG. 9 in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 9. — Four possible evolutionary scenarios for host group switch within Pontonia: A-C would imply a single host switch from Ascidiacea to Mollusca; D would imply an initial host switch from Ascidiacea to Mollusca, followed by a reversal, i.e., a second host switch from Mollusca back to Ascidiacea in P. panamica n. sp. (see text for discussion). For full resolution within clade called here "higher Pontonia" see Fransen (2002).
FIG. 5. — Pontonia panamica n in A new species of Pontonia Latreille, 1829 (Crustacea, Decapoda, Palaemonidae) associated with sea squirts (Tunicata, Ascidiacea) from the Pacific coast of Panama
FIG. 5. — Pontonia panamica n. sp., ♂ paratype, pcl 4.8 mm (MNHN-Na 16394): A, left second pereiopod, major cheliped, mesial view; B, same, distal chela; C, right second pereiopod, minor cheliped, mesial view; D, same, distal chela. Scale bars: 1 mm.
FIGURE 22. Pontonia manningi Fransen, 2000 in Caridea (Crustacea, Decapoda) collected on the Brazilian (13 / 22 S) continental shelf and slope
FIGURE 22. Pontonia manningi Fransen, 2000, male, 3mm, MNRJ 19460; A. endopod of right first pleopod, lateral view; B. appendix interna and masculina, endopod of right second pleopod; C. telson and uropods, dorsal view.
FIGURE 21. Pontonia manningi Fransen, 2000 in Caridea (Crustacea, Decapoda) collected on the Brazilian (13 / 22 S) continental shelf and slope
FIGURE 21. Pontonia manningi Fransen, 2000, male, 3mm, MNRJ 19460; A. right pereopod 1, lateral view; B. right pereopod 2, lateral view; C. right pereopod 3, lateral view; D. right pereopod 4, lateral view; E. right pereopod 5, lateral view.
FIGURE 19. Pontonia manningi Fransen, 2000 in Caridea (Crustacea, Decapoda) collected on the Brazilian (13 / 22 S) continental shelf and slope
FIGURE 19. Pontonia manningi Fransen, 2000, male, 3mm, MNRJ 19460; A. lateral view; B. right antennule, dorsal view; C. right antenna, dorsal view (as — antennal spine; st — stylocerite).
FIGURE 20. Pontonia manningi Fransen, 2000 in Caridea (Crustacea, Decapoda) collected on the Brazilian (13 / 22 S) continental shelf and slope
FIGURE 20. Pontonia manningi Fransen, 2000, male, 3mm, MNRJ 19460; A. left mandible; B. left maxilla 1 (basal endite lost); C. left maxilla 2; D. left maxilliped 1; E. left maxilliped 2; F. left maxilliped 3.
FIGURE 1 in Lacertopontonia chadi gen. et sp. nov., a new oyster-associated Pontonia - like pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from the Great Barrier Reef of Australia
FIGURE 1. Lacertopontonia chadi gen. et sp. nov., holotype, ovigerous female (QM W33473), general view. Scale—1 mm.
Figures 4-6 from: García-Ulloa D, Landa-Jaime V, Góngora-Gómez AM, García-Ulloa M, Hernández-Sepúlveda J (2019) Sexual and reproductive traits of the pearl oyster shrimp Pontonia margarita (Decapoda: Palemonidae), symbiotically inhabiting the mantle cavity of the rugose pen shell Pinna rugosa (Bivalvia: Pinnidae). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e29774
Figures 4-6 Pontoniamargarita: (4) male (small and whitish) and female (large and orange); (5) female (circled) in the mantle cavity of P.rugosa; (6) ovigerous female. Scale bar = 1 cm.
Figure 7 from: García-Ulloa D, Landa-Jaime V, Góngora-Gómez AM, García-Ulloa M, Hernández-Sepúlveda J (2019) Sexual and reproductive traits of the pearl oyster shrimp Pontonia margarita (Decapoda: Palemonidae), symbiotically inhabiting the mantle cavity of the rugose pen shell Pinna rugosa (Bivalvia: Pinnidae). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e29774
Figure 7 Relationship between Pontoniamargarita total body length (mm) and Pinnarugosa shell height (mm). Regressions for females and males were r = 0.32 (p = 0.08) and r = 0.18 (p = 0.46), respectively.
Figures 1-3 from: García-Ulloa D, Landa-Jaime V, Góngora-Gómez AM, García-Ulloa M, Hernández-Sepúlveda J (2019) Sexual and reproductive traits of the pearl oyster shrimp Pontonia margarita (Decapoda: Palemonidae), symbiotically inhabiting the mantle cavity of the rugose pen shell Pinna rugosa (Bivalvia: Pinnidae). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e29774
Figures 1-3 Morphometric measurements of Pinnarugosa. (1) Shell height; (2) shell length; (3) shell width.
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