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821 results for “Molecular Systematics”
FIGURE 1 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 1. Primary sampling locations for specimens used in morphological and molecular analyses. Sites in the Bahamas included (1) Sweeting's Cay; (2) Great Stirrup Cay; (3) the lagoon in Little San Salvador island; (4) San Salvador island; (5) Plana Cays; (6) Compass Cay; (7) Northern Exumas; (8) New Providence; (9) Bimini; (10) Abaco; (11) Lee Stocking island. Major collecting sites in Florida sites were Lake Surprise, Key Largo (12); Geiger Beach, near Key West (13); and the Dry Tortugas (14). Other sites were Bermuda (15); Jamaica (16); the U.S. Virgin Islands (17); Antigua (18); Dominica (19); St. Lucia (20); Bonaire (21); Curacao (22); Bocas del Toro, Panama (23); and Belize (24). For each site, Table S1 gives the latitude and longitude; corresponding sample identifier abbreviation; sampling dates and collector(s); and more detailed information on collecting localities, as warranted.
FIGURE 33 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 33. Elysia serca, external morphology of specimen from Geiger Beach, Florida Keys (4 mm long). A, Dorsal view of live specimen, showing pointed rhinophores and reduced parapodia. B, Dorsal view showing white, rounded pericardium and vessels. C, Ventral view of foot.
FIGURE 24 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 24. Elysia subornata, external morphology and egg masses. Live specimens photographed upon collection from the Bahamas (A), or near the type locality in Bermuda (B–F). A, Specimen from Sweetings Cay (length = 11 mm) resting on a stipe of Caulerpa racemosa, on which the specimen was collected. B–C, Dorsal view of specimens from Bermuda collected on C. racemosa, showing dark marginal line; length = 2.7 mm (B), 3 mm (C). D, Dorsal view of highly papillose specimen from Bermuda collected on C. cupressoides; length = 6 mm. E–F Side view (E) and dorsal surface (F) of specimen from Bermuda (length = 4.5 mm) showing elongate renopericardial complex and dorsal vessel network lining inner parapodial margin. G, Egg mass from Bahamas specimen showing thick ribbon of orange ECY embedded around egg capsules containing uncleaved ova; field of view = 1.73 mm. H, Subsequent development of egg mass from (G), showing newly metamorphosed juveniles and cast-off larval shells inside egg mass.
FIGURE 22 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 22. Elysia flava, dorsal vessels drawn of a preserved specimen from Venezuala (LACM 178625; 5.5 mm long × 5 mm wide).
FIGURE 28 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 28. Elysia velutinus, SEM of the radula and penis. A, Leading tooth (CPIC 00148). B, Radula (CPIC 00148). C, Penis, (LACM 178634).
FIGURE 40 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 40. Elysia marcusi, SEM of the radula and penis (LACM 178648). A, Partly disarticulated but complete radula. B, Tooth showing denticles. C, Penial stylet.
FIGURE 32 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 32. Elysia canguzua, SEM of radulae. A, Radula, without ascus (LACM 178643). B, Leading tooth (LACM 178643). C, Radula, without ascus (LACM 178644). D, Leading tooth, showing smooth lateral edge (LACM 178644). E, Close-up of cusp showing denticles. F, Leading tooth (LACM 178645).
FIGURE 21. Elysia flava, external morphology. A in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 21. Elysia flava, external morphology. A, Dark specimen in motion from Young Island, St. Vincent and the Grenadines. B, Dark specimen stationary from Bocas del Toro, Panama (LACM 2004-9.1). C, Light specimen stationary from Freeport Harbor, Grand Bahama, Bahamas.
FIGURE 39 in Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region
FIGURE 39. Elysia marcusi, external morphology and egg masses. A, Crawling specimen from Jamaica showing vaginal pore (vp) and antero-lateral furrow (af). B, Crawling specimen from Florida with white spots. C, Resting specimen from Jamaica, showing rounded "gumdrop" posture adopted by slugs on algae. Size = 4 mm (A), 5 mm (B), 4 mm (C). D, Copulating specimens from Jamaica. Translucent penis of slug (left) is visibly being inserted into vaginal pore of larger slug (right); note antero-lateral furrows on both slugs. Field of view = 5 mm. E–H, Egg masses showing variation in ECY. Clutches deposited by Jamaica specimens had either regularly spaced blobs of whitish ECY, one attached to the outside of each capsule (E; width of egg mass = 1.2 mm), or else a thread of yellow ECY running along the inside edge of the string of egg capsules (F; width of egg mass = 1.6 mm). An egg mass from San Salvador (G) containing both white and yellow ova at the four-cell stage had ECY deposited as one white blob or streak per capsule for the first turn of the egg spiral, but thereafter as one yellow blob or streak every third capsule. Width of egg mass = 1.5 mm. An egg mass from Florida lacked ECY (H; width of egg mass = 1.0 mm).
FIGURE 3 in Molecular systematics and taxonomic status of three latitudinally widespread nototheniid (Perciformes: Notothenioidei) fishes from the Southern Ocean
FIGURE 3. Maximum likelihood trees resulted from (A) mtDNA dataset (ND2 and COI) and (B) S7 intron 1 of Gobionotothen species. The bootstrap support values from the parsimony analyses of this gene are displayed. The taxon names represent the specimen number and the locality name.
FIGURE 2 in Molecular systematics and taxonomic status of three latitudinally widespread nototheniid (Perciformes: Notothenioidei) fishes from the Southern Ocean
FIGURE 2. Maximum likelihood trees resulted from (A) a combined dataset of mitochondrial genes, ND2 and COI, and (B) nuclear S7 intron 1 for Lepidonotothen. The bootstrap support values from the parsimony analyses of this gene are displayed. The taxon names represent the specimen number and the locality name.
FIGURE 1 in Molecular systematics and taxonomic status of three latitudinally widespread nototheniid (Perciformes: Notothenioidei) fishes from the Southern Ocean
FIGURE 1. Sampling localities of the three study species. The full circles represent approximate collecting sites.
FIGURE 19 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURE 19. Distribution of the genus Hungarosoma Verhoeff, 1928. Empty dot: H. inexpectatum, solid dots: H. bokori. Distribution of H. bokori in Slovak-Aggtelek Karst drawn in higher scale.
FIGURE 16. Hungarosoma bokori Verhoeff, 1928 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURE 16. Hungarosoma bokori Verhoeff, 1928, male, gonopods (Abaliget Cave). Right lateral view. Letters a–h signal equivalent structures in both views. Abbreviations: Letters a–h signal equivalent structures in both views. Anterior gonopods (legs 8): a = cheirite, b = brush-like arm, c = additive divided arm, d = hyaline process. Posterior gonopods (legs 9): e = gonopod, f = ventral hyaline prominence, g = claw shape process with long seta.
FIGURE 18. A in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURE 18. A Maximum-Likelihood tree (GTR+G+I model) based on the COI gene and rooted with Polyxenus lagurus. All data—except from H. bokori—were obtained from Genbank. Numbers refer to bootstrap values (1000 replicates). Scale bar = 0.02 substitutions/site. For origin of the H. bokori material, see Table 1.
FIGURE 15. Hungarosoma bokori Verhoeff, 1928 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURE 15. Hungarosoma bokori Verhoeff, 1928, male, gonopods (Abaliget Cave). Anterior view (right side of pair structures is slightly turned laterally). Abbreviations: Letters a–h signal equivalent structures in both views. Anterior gonopods (legs 8): a = cheirite, b = brush-like arm, c = additive divided arm, d = hyaline process. Posterior gonopods (legs 9): e = gonopod, f = ventral hyaline prominence, g = claw shape process with long seta.
FIGURES 12–14. Hungarosoma bokori Verhoeff, 1928 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURES 12–14. Hungarosoma bokori Verhoeff, 1928, male (Abaliget Cave). 12: Antenna. 13: Gonopod complex, anterior view. The right side of pair structures is slightly turned laterally. 14: Gonopods in right lateral view. Abbreviations: Letters a– h signal equivalent structures in both views. Anterior gonopods (legs 8): a = cheirite, b = brush-like arm, c = additive divided arm, d = hyaline process. Posterior gonopods (legs 9): e = gonopod, f = ventral hyaline prominence, g = claw shape process with long seta. Not scaled. Photos: Andrej Mock.
FIGURES 10–11. Hungarosoma bokori Verhoeff, 1928 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURES 10–11. Hungarosoma bokori Verhoeff, 1928, female from the Driny Cave, scanning electronic microscopy of details of the shape and surface of mid-body segments. 10: Dorsolateral view (left side). 11: A pleurotergite, dorsolateral view in detail. Photos: Andrej Mock & Karel Tajovský.
FIGURES 2–5. Hungarosoma bokori Verhoeff, 1928 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURES 2–5. Hungarosoma bokori Verhoeff, 1928, female, holotype (Abaliget Cave). 2: Head end of the body, right lateral view. 3: Tergite 15, dorsal view. 4: Antenna, lateral view. 5: Discernable vulvae in situ (v), right lateral view. Photos: Jörg Spelda.
FIGURE 1. Hungarosoma bokori Verhoeff, 1928 in Hungarosoma bokori Verhoeff, 1928 (Diplopoda: Chordeumatida): new insights into its taxonomy, systematics, molecular genetics, biogeography and ecology
FIGURE 1. Hungarosoma bokori Verhoeff, 1928, female, sampled at the entrance of the Baradla Cave, Hungary, 21.iii.2013. Photo: Ľubomír Kováč & Andrej Mock.
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