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317 results for “Lesser Antilles”
FIG. 26. — Pusillopagurus polulus n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 26. — Pusillopagurus polulus n. gen., n. sp., holotype ovig ♀ 0.9 mm, Curaçao, ARMS 16, USNM 1297496: A, right cheliped, dorsal view; B, same, lateral view; C, left cheliped, dorsal; D, same lateral view. Scale bar: 0.5 mm.
FIG. 12. — Pagurellus jenniferae n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 12. — Pagurellus jenniferae n. gen., n. sp., Curaçao: A, B, ♂ 1.5 mm, ARMS 14, USNM 1297636 (ULLZ 16891), dorsal (A) and posterolateral (B) views; C, ♀ (in shell) 0.9 mm, ARMS 22, USNM 1297446 (ULLZ 16922), dorsal view; D, ovig ♀ 0.9 mm, USNM 1291918 (ULLZ 16891), right lateral view.
FIG. 2. — Leptopagurus rhabdotus n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 2. — Leptopagurus rhabdotus n. gen., n. sp., holotype ♂ 1.1 mm, Curaçao, USNM 1297635: A-C, right cheliped, dorsal view (A), lateral view (B), merus ventral view (C); D-F, left cheliped, dorsal view (D), lateral view (E), merus, ventral view (F). Scale bar: 0.3 mm.
FIG. 8. — Nematopaguroides karukera n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 8. — Nematopaguroides karukera n. sp., holotype ♂ 1.3 mm, Guadeloupe, sta GS 15, MNHN-IU-2013-5307: A, left pereopod 2, lateral view; B, left pereopod 3, lateral view. Scale bar: 0.5 mm.
FIG. 17. — Paguriscus robustus n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 17. — Paguriscus robustus n. gen., n. sp., holotype ♂ 1.3 mm, Guadeloupe, sta GS 20, MNHN-IU-2013-4395: A-C, right cheliped, dorsal view (A); lateral (B); mesial view (C); D, dactyl and fixed finger of right cheliped, mesial view. Scale bars: 0.5 mm.
FIG. 5. — Nematopaguroides karukera n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 5. — Nematopaguroides karukera n. sp., Guadeloupe: A, C-E: holotype ♂ 1.3 mm, sta GS 15, MNHN-IU-2013-5307; B, paratype ♂ 1.5 mm, sta GM 11, MNHN-IU-2013-4852; F, paratype ♂ 1.4 mm, sta GS 07, MNHN-IU-2013-5597; A, shield and cephalic appendages, dorsal view; B, sternite XI of third pereopods, ventral; C, propodus and dactyl of left fourth pereopod, lateral view; D, telson, dorsal view; E, F, sternite XIII and coxae of fifth pereopods with sexual tubes, ventral view. Scale bars: A, B, 0.5 mm; C-F, 0.25 mm.
FIG. 25. — Pusillopagurus polulus n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 25. — Pusillopagurus polulus n. gen., n. sp., Curaçao: A-D, holotype ovig ♀ 0.9 mm, ARMS 16, USNM 1297496; E, paratype ♂ 0.7 mm, ARMS 20, USNM 1291924: A, shield and cephalic appendages, dorsal view; B, ischium of left third maxilliped, internal view; C, sternite XI and coxae of third pereopods, ventral view; D, telson, dorsal view; E, sternite XIII and coxae of fifth pereopods with sexual tubes, ventral view. Scale bars: A-C, E, 0.5 mm; D, 0.1 mm.
FIG. 24. — Pagurus abditus n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 24. — Pagurus abditus n. sp., Curaçao: A, paratype ♂ 0.8 mm (dismembered), ARMS 13, USNM 1297441 (ULLZ 16885), dorsal view; B, paratype ovig ♀ 0.9 mm, ARMS 31, USNM 1292078.
FIG. 15. — Pagurina bifida n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 15. — Pagurina bifida n. gen., n. sp., holotype ♂ 0.8 mm, Guadeloupe, sta GB 34, MNHN-IU-2013-5643: A, left pereopod 2, lateral view; B, dactyl of same, mesial view; C, left pereopod 3, lateral view; D, dactyl of same, mesial view; E, carpus of same, mesial view; F, propodus and dactyl of right pereopod 4, lateral view. Scale bar: 0.5 mm.
FIG. 22. — Pagurus abditus n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 22. — Pagurus abditus n. sp., holotype ♀ 0.8 mm, Curaçao, ARMS 16, USNM 1297485: A, B, right cheliped, dorsal view (A), carpus and chela of same, lateral (B); C, D, left cheliped, dorsal (C); lateral (D). Scale bar: 0.25 mm.
FIG. 27. — Pusillopagurus polulus n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 27. — Pusillopagurus polulus n. gen., n. sp., holotype ovig ♀ 0.9 mm, Curaçao, ARMS 16, USNM 1297496: A, left pereopod 2, lateral view; B, dactyl of same, mesial view; C, left pereopod 3, lateral view; D, dactyl of same, mesial view; E, propodus and dactyl of left pereopod 4, lateral view. Scale bars: A-D, 0.5 mm; E, 0.1 mm.
FIG. 21. — Pagurus abditus n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 21. — Pagurus abditus n. sp., Curaçao: A, C, D, holotype ♀ 0.8 mm, ARMS 16, USNM 1297485; B, paratypes ♂ 0.8 mm, ARMS 13, USNM 1297441; A, shield and cephalic appendages, dorsal view; B, sternites IX-XIII, and coxae of chelipeds and pereopods 2-5, ventral view; C, propodus and dactyl of right pereopod 4, lateral view; D, telson, dorsal view. Scale bars: A-C, 0.25 mm; D, 0.1 mm.
FIG. 16. — Paguriscus robustus n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 16. — Paguriscus robustus n. gen., n. sp., holotype ♂ 1.3 mm, Guadeloupe, sta GS 20, MNHN-IU-2013-4395: A, shield and cephalic appendages, dorsal view; B, right pereopod 3, lateral view; C, dactyl of same, mesial view; D, sternite XI of third pereopods, ventral view; E, propodus and dactyl of right pereopod 4, lateral view; F, telson, dorsal view; G, coxae of pereopods 5, sternite XIII, and anterior part of pleon, ventral view. Scale bars: 0.5 mm.
FIG. 11. — Pagurellus jenniferae n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 11. — Pagurellus jenniferae n. gen., n. sp. A, B, holotype ♂ 1.3 mm, Curaçao, CURASUB 15-06, USNM 1267546; C, D, paratype ♂ 1.5 mm, Curaçao, ARM 14, USNM 1297636: A, left pereopod 2, lateral view; B, left pereopod 3, lateral view; C, dactyl of right pereopod 2, mesial view; D, dactyl of pereopod 3, mesial view. Scale bars: 0.5 mm.
FIG. 14. — Pagurina bifida n. gen., n in Discovery of a new micro-pagurid fauna (Crustacea: Decapoda: Paguridae) in the Lesser Antilles, Caribbean Sea
FIG. 14. — Pagurina bifida n. gen., n. sp., holotype ♂ 0.8 mm, Guadeloupe, sta GB 34, MNHN-IU-2013-5643: A-C, right cheliped, dorsal view (A), lateral view (B), mesial view (C); D-F, left cheliped, dorsal view (D); lateral view (E); mesial view (F). Scale bar: 0.5 mm.
Figure l in Beetle species diversity in the Lesser Antilles islands: How many species are really there?
Figure l. The West Indian Biodiversity Hotspot. The islands of the central and eastern West Indies and adjacent continental land masses, with the island arc of the Lesser Antilles in the east. The smaller islands of the Lesser Antilles are not indicated by name.
Figure 2. A in Beetle species diversity in the Lesser Antilles islands: How many species are really there?
Figure 2. A theoretical relationship between increasing island area and the increase in beetle species which should be on individual islands in the Lesser Antilles. Data points are for present day island areas and published species records. The regression line slope with a z value of 0.301 indicates a natural saturation number of species which could be expected to occur on an island of a designated area. The line is anchored on the island of Montserrat, which, through the work of Ivie et al. (2008), is the only well-known island in the Lesser Antilles. The difference between the regression line and a datum point suggests how many additional species might be expected with a complete knowledge of each island's fauna.
FIG. 2 in Distribution of potentially toxic epiphytic dinoflagellates in Saint Martin Island (Caribbean Sea, Lesser Antilles)
FIG. 2. — Distribution of potentially toxic benthic dinoflagellates abundances (cells g–1): A, Florideophyceae; B, Phaeophyceae; C, Ulvophyceae; D, seagrasses in Saint Martin Island.
Figure 12. - APlacotrochidescylindrica, holotype, Museum of Tropical Queensland G55627, off Queensland BPlacotrochidesfrustum, holotype, USNM 36451, Lesser Antilles; paratype, NMC, Hudson 4B, Lesser Antilles C Placotrochuslaevis, USNM 81994, Great Barrier Reef, Australia D Falcatoflabellumraoulensis, upper image, holotype, Museum of New Zealand, CO 258, Kermadec Ridge; lower images, paratype, USNM 94313, Kermadec Ridge. Scale bars: 1mm (A); 2 mm (B); 10 mm (C), except for basal scar, which is 5 mm; 1 mm (D), except latera view, which is 5 mm.
Figure 12. - APlacotrochidescylindrica, holotype, Museum of Tropical Queensland G55627, off Queensland BPlacotrochidesfrustum, holotype, USNM 36451, Lesser Antilles; paratype, NMC, Hudson 4B, Lesser Antilles C Placotrochuslaevis, USNM 81994, Great Barrier Reef, Australia D Falcatoflabellumraoulensis, upper image, holotype, Museum of New Zealand, CO 258, Kermadec Ridge; lower images, paratype, USNM 94313, Kermadec Ridge. Scale bars: 1mm (A); 2 mm (B); 10 mm (C), except for basal scar, which is 5 mm; 1 mm (D), except latera view, which is 5 mm.
Data from: Genetic patterns of Magnolia in the Lesser Antilles: Stepwise colonisation leading to highly inbred island 'populations'
<p>Aim: Test for genetic signatures of island biogeographic patterns, using a slowly evolving, recent colonist with a low dispersal capability in an island chain without linear chronosequence; evaluate the multiple-endemic status of the species; and quantify genetic diversity of extant island populations.</p> <p>Location: The Lesser Antilles (Caribbean).</p> <p>Taxon: Magnolia dodecapetala (Magnoliaceae).</p> <p>Methods: Genetic diversity was characterised using Sanger sequencing of 21 individuals amplified for 11 DNA markers, plus microsatellite data of 195 individuals genotyped with 19 simple sequence repeat (SSR) markers. Sanger sequencing data were used to construct a Bayesian phylogenetic hypothesis, while SSR markers were used to run approximate Bayesian computation (ABC) demographic analyses and calculate population statistics.</p> <p>Results: Both types of molecular data support stepwise colonization, decoupled from known island ages. The ABC analyses support a north to south migration while the Sanger sequencing data indicates a mixture of island progression rule and stepping stone dispersal. The SSR data show strong genetic structuring per island and significant inbreeding in all populations except in Saint Lucia. The lowest genetic diversity is found in the population from Saint Vincent. A high amount of genetic linkage occurs in a subpopulation from Dominica.</p> <p>Main conclusions: Biogeographic patterns for the complex geological setting of the Lesser Antilles are uncovered using a slowly evolving study species. All genetic data support treating each island as distinct Management Units for conservation and call for a re-evaluation of the species limits. Inbreeding threatens the survival of island populations and the populations of Saint Vincent and Dominica represent conservation priorities.</p>
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