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18 results for “Acanella”
FIGURE 3. Neopolynoe acanellae n in Revision of Hermadion Kinberg, 1856, with a redescription of Hermadion magalhaensi Kinberg, 1856, Adyte hyalina (G. O. Sars, 1873) n. comb. and Neopolynoe acanellae (Verrill, 1881) n. comb. (Polychaeta: Polynoidae)
FIGURE 3. Neopolynoe acanellae n. comb. (lectotype, YPM 2741). (A) Anterior end; styles of left antenna, dorsal tentacular cirri and dorsal cirri missing; (B) left elytron from segment 5; (C) microtubercles and papillae from same; (D) right cirrigerous parapodium from segment 12, posterior view, style of dorsal cirrus missing; (E) distal half of long notochaeta; (F) distal part of middle neurochaeta. (Scales: A = 1,5 mm; B = 2,5 mm; C, E, F = 125 µm; D = 500 µm).
FIGURE 2. Adyte hyalina n in Revision of Hermadion Kinberg, 1856, with a redescription of Hermadion magalhaensi Kinberg, 1856, Adyte hyalina (G. O. Sars, 1873) n. comb. and Neopolynoe acanellae (Verrill, 1881) n. comb. (Polychaeta: Polynoidae)
FIGURE 2. Adyte hyalina n. comb. (holotype ZMUO C 2028). (A) Anterior end; styles of median antenna, dorsal tentacular cirri and dorsal cirri missing; (B) right elytron from unknown segment in anterior body region; (C) detail of posterior margin of same; (D) right elytragerous parapodium from segment 9, posterior view; (E) distal half of long notochaeta; (F) distal part of middle neurochaeta; (G) tip of upper neurochaeta. (Scales: A = 1 mm; B = 250 µm; C, E, F, G = 50 µm; D = 500 µm).
FIGURE 1 in Revision of Hermadion Kinberg, 1856, with a redescription of Hermadion magalhaensi Kinberg, 1856, Adyte hyalina (G. O. Sars, 1873) n. comb. and Neopolynoe acanellae (Verrill, 1881) n. comb. (Polychaeta: Polynoidae)
FIGURE 1. Hermadion magalhaensi (syntypes, SMNH Type-401). (A) Anterior end; style of left tentacular cirrus bent downwards, styles of other cirri and styles of antennae missing; (B) left elytron from unknown segment in anterior body region; (C) detail of posterior margin of same; (D) right cirrigerous parapodium, posterior view, tip of ventral cirrus missing; (E) distal half of long notochaeta; (F) distal part of middle notochaeta. (Scale bars: A = 2,5 mm; B = 1 mm; C = 125 µm; D = 1 mm; E = 125 µm; F = 250 µm).
FIGURE 16 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 16. SEM images of Acanella scarletae (Haplotype G, TR3010). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 15 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 15. Acanella scarletae images of live colony taken prior to preservation. A) Whole colony (TR03049). B) Whole colony (TR03010). C) Root-like holdfast (TR03010). D) Single polyp (TR03010). E) Longitudinally ribbed skeleton covered with thin red coenenchyme (TR03049).
FIGURE 14 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 14. SEM images of Acanella aurelia (Haplotype B, NSFIII07223). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 6 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 6. Polyps from three different specimens represented by Haplotype A. i: MAN8031, identified as Acanella arbuscula when collected from Manning Seamount, New England Seamounts, Atlantic Ocean. ii: MU5052, identified as Acanella eburnea when collected from Muir Seamount, Bermuda Rise, Atlantic Ocean. iii: MED3, identified as Isidella elongata when collected from the Eastern Ionian Sea, Mediterranean Sea.
FIGURE 8 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 8. SEM images of Acanella chiliensis (Haplotype C, MAIN31392). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 12 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 12. SEM images of Acanella furcata (Haplotype F, MED2). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 10 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 10. SEM images of Acanella rigida (Haplotype E, CP3652/3). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 2 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 2. Median-joining network of the 8 genetic haplotypes of Acanella (based on concatenated mtMutS-5', mtMutS-3' and 18S alignments) depicting relatedness, abundance, and geographic location; BY#s are the Lower Bathyal Provinces of Watling et al. (2013). Circles are labeled with Haplotype ID and their size is proportional to the number of specimens sequenced. The location of the deep-sea province where the samples were collected is shown as a pie chart in each circle, with pie slice sizes corresponding to the number of specimens collected in that province. Hash marks and branch lengths indicate the number of nucleotide substitutions between each haplotype. The black squares indicate median vector (unsampled, hypothesized haplotypes).
FIGURE 11 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 11. SEM images of Acanella robusta (Haplotype H, PNG1161). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 9 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 9. SEM images of Acanella sp. cf. A. disPar (Haplotype D, TER10037). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
FIGURE 3 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 3. Box and whisker plot depicting the depth range of the 8 different Acanella Haplotypes (A-H) among the 97 samples sequenced for this study; where n=1 the line connects depth extremes of the trawl that collected the sample. The Haplotypes are arranged in order of decreasing depth and divided by collection location (Haplotype A was collected from both the Atlantic and Pacific). The dashed line demarcates the 200 m isobath, a conventional limit for the upper depth of the deepsea (200 m).
FIGURE 7 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 7. Acanella arbuscula (M007) collected from a muddy bottom on Ausias March Seamount, Mallorca Channel, Mediterranean Sea, at 546 m depth. A) Field of colonies. Red circle indicates specimen collected. B) In situ image of specimen before collection. Yellow circle indicates sampled branchlet. C) Specimen sampled with dichotomous and trichotomous branching at the node. Green circle indicates close up of polyps on branchlet. D) Close up of sampled specimen polyps with long intertentacular sclerites. Images courtesy of Sylvia Garcia, Oceana.
FIGURE 5 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 5. Length of sclerites (mm) from specimens from within the same species and between genetically closely related species. A) Polyp body sclerites of Haplotype A. Bar color denotes specimens originally identified as Acanella arbuscula (white), A. eburnea (gray), or Isidella elongata (black). B) Coenenchyme sclerites of Haplotype A. Bar color as in (A). C) Polyp body sclerites of A. arbuscula (white) and A. scarletae (gray). D) Coenenchyme sclerites of A. arbuscula (white) and A. scarletae (gray).
FIGURE 13 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 13. Acanella aurelia colony fragment (NSFIII07223).
FIGURE 4 in A taxonomic review of the genus Acanella (Cnidaria: Octocorallia: Isididae) in the North Atlantic Ocean, with descriptions of two new species
FIGURE 4. SEM images of Acanella arbuscula (Haplotype A, JSLII36942). A) Tentacle sclerites. B) Coenenchyme sclerites. C) Polyp body sclerites.
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