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54 results for “scale-worm”
FIGURE 4. Branchipolynoe longqiensis n in Description of a new branchiate scale-worm (Polychaeta: Polynoidae) from the hydrothermal vent on Southwest Indian Ocean Ridge
FIGURE 4. Branchipolynoe longqiensis n. sp., holotype (RSIO35401): A, Left parapodia from segment 2, anterior view, elytron removed; B, Notosetae from same, with detail of tips; C, Left parapodia from segment 12, anterior view, branchiae cut off; D, Notopodia and notosetae from same; E, Left parapodia from segment 19, posterior view; F, Left parapodia (partial) from segment 19, downward and anterior view, showing branchiae, notopodia and partial neuropodia; G, Notosetae from same, with detail of tips.
FIGURE 1. Branchipolynoe longqiensis n in Description of a new branchiate scale-worm (Polychaeta: Polynoidae) from the hydrothermal vent on Southwest Indian Ocean Ridge
FIGURE 1. Branchipolynoe longqiensis n. sp., holotype (RSIO35401): A, Dorsal view; B, Ventral view; C, Dorsal view of anterior end, left first elytron removed; D, Ventral view of segments 11–14 showing elongate ventral papillae on segments 11 and 12; E, Dorsal view of the posterior end, elytra on segment 19 removed.
FIGURE 2. Branchipolynoe longqiensis n in Description of a new branchiate scale-worm (Polychaeta: Polynoidae) from the hydrothermal vent on Southwest Indian Ocean Ridge
FIGURE 2. Branchipolynoe longqiensis n. sp., holotype (RSIO35401): A, Left upper branchia from segment 12; B, Left lower branchia from segment 12; C–F, Left elytron from segment 2, 9, 15 and 19, respectively.
FIGURE 3. Branchipolynoe longqiensis n in Description of a new branchiate scale-worm (Polychaeta: Polynoidae) from the hydrothermal vent on Southwest Indian Ocean Ridge
FIGURE 3. Branchipolynoe longqiensis n. sp., holotype (RSIO35401): A, C, E and G, Left parapodia from segment 2, 3, 8 and 12 respectively, anterior view; B, D, F and H, Left parapodia from segment 2, 3, 8 and 12 respectively, posterior view.
FIGURE 21 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 21. Median elytra of Harmothoe aff. hirsuta Johnson, 1897 (Specimen MUSM Nº 4633) with their respective illustration of ornamentation distribution. A) 7th right elytron; B) 8th right elytron; C) 9th right elytron. Scale bars: A–C) 1 mm.
FIGURE 18 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 18. Parapodia and chaetae of Harmothoe aff. hirsuta Johnson, 1897 (Specimen MUSM Nº 4633). A) 1st parapodium; B) 2nd parapodium; C) 17th parapodium; D) Superior notochaeta; E) Inferior notochaeta; F) Neurochaeta of the 1st parapodium; G) Superior neurochaeta of the 2nd parapodium; H) Inferior neurochaeta of the 2nd parapodium; I) Superior neurochaeta of the 17th parapodium; J) Inferior neurochaeta of the 17th parapodium. Scale bars: A–C) 1 mm; D–J) 20 µm.
FIGURE 20 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 20. Anterior elytra of Harmothoe aff. hirsuta Johnson, 1897 (Specimen MUSM Nº 4633) with their respective illustration of ornamentation distribution. A) 1st left elytron; B) 2nd right elytron; C) 3rd right elytron. Scale bars: A–C) 1 mm.
FIGURE 19 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 19. Elytral ornamentations of Harmothoe aff. hirsuta Johnson, 1897 (Specimen MUSM Nº 4633). A) Macrotubercles of the 1st pair of elytra; B) Macrotubercles of the remaining pairs of elytra; C) Filiform papillae; D) Truncate microtubercles; E) Conical microtubercles; F) Bidentate microtubercles (arrows); G) Tridentate microtubercles. Illustration of elytral ornamentations and designation of symbols. H) Macrotubercles and variations as cyan circles containing three minor circles; I) Truncate microtubercles as green circles; J) Filiform papillae as tiny black squares; K) Conical microtubercles as orange circles; L) Bidentate microtubercles as red circles; M) Tridentate microtubercles as purple circles. Scale bars: A–C, H, J) 100 µm; D, E, G, I, K–M) 40 µm; F) 50 µm. Abbreviations: pp= filiform papillae.
FIGURE 13 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 13. Median elytra of Halosydna parva Kinberg, 1856 (Specimen MUSM Nº 4647) with their respective illustration of ornamentation distribution. A) 9th right elytron; B) 10th right elytron; C) 11th right elytron. Scale bars: A–C) 1 mm.
FIGURE 12 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 12. Anterior elytra of Halosydna parva Kinberg, 1856 (Specimen MUSM Nº 4647) with their respective illustration of ornamentation distribution. A) 1st right elytron; B) 2nd right elytron; C) 3rd right elytron. Scale bars: A–C) 1 mm.
FIGURE 16 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 16. Pharynx and jaws of Halosydna parva Kinberg, 1856. A) Pharyngeal papillae and jaws. B) Dorsal jaws seen from the pharyngeal lumen. C) Ventral jaws seen from the pharyngeal lumen. Scale bars: A) 1 mm; B–C) 200 µm. Arrows shows broken regions caused by accidental handling.
FIGURE 10 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 10. Parapodia and chaetae of Halosydna parva Kinberg, 1856 (Specimen MUSM Nº 4647). A) 1st parapodium; B) 2nd parapodium; C) 3rd parapodium; D) 18th parapodium; E) Superior notochaeta; F) Inferior notochaeta; G–H) Entire-tipped neurochaetae from the 1st parapodium; I) Superior neurochaeta from the 2nd parapodium; J) Inferior neurochaeta from the 2nd parapodium; K) Superior neurochaeta from the 3rd parapodium; L) Inferior neurochaeta from the 3rd parapodium; M) Superior neurochaeta from the 18th parapodium; N) Inferior neurochaeta from the 18th parapodium. Scale bars: A–D) 500 µm; E–N) 50 µm.
FIGURE 2. Illustration procedure for elytra. A in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 2. Illustration procedure for elytra. A) Elytral areas established from the intersection of horizontal and vertical axes over the centre of elytrophore scar; B) Classification, illustration and assignment of symbols for each ornamentation type; C) Placement of symbols on elytral areas.
FIGURE 6 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 6. Anterior elytra of Lepidonotus aff. crosslandi peruana Hartmann-Schröder, 1962 (specimen MUSM Nº 4590) with their respective illustration of ornamentation distribution. A) 1st right elytron; B) 2nd right elytron; C) 3rd right elytron. Scale bars: A–C) 1 mm.
FIGURE 14 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 14. Posterior elytra of Halosydna parva Kinberg, 1856 (Specimen MUSM Nº 4647) with their respective illustration of ornamentation distribution. A) 16th right elytron; B) 17th right elytron; C) 18th right elytron. Scale bars: A–C) 1 mm.
FIGURE 15 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 15. Distinct degrees of development of conical macrotubercles (arrows) in Halosydna parva Kinberg, 1856 (specimen MUSM Nº 4648b). A–B) 3rd pair of elytra; C–D) 16th pair of elytra; E–F) 18th pair of elytra. Scale bars: 40 µm.
FIGURE 11 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 11. Elytral ornamentations of Halosydna parva Kinberg, 1856 (Specimen MUSM Nº 4647). A) Conical microtubercles with swollen, wrinkled, bifid tips (arrows); B) Conical macrotubercles with wrinkled tips; C) Same, with wide internal concavities (arrows); D) Truncate microtubercles; E) Rounded papillae with narrow bases (arrows); F) Flattened microtubercles (arrows). Illustration of ornamentations and designation of symbols. G) Conical microtubercles with swollen, wrinkled, bifid tips as green circles; H) Conical macrotubercles with narrow and wide internal concavities as red circles; I) Truncate microtubercles as blue circles; (J) Rounded papillae with narrow bases as black tiny circles; K) Flattened microtubercles as yellow circles. Scale bars: 20 µm.
FIGURE 7 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 7. Posterior elytra of Lepidonotus aff. crosslandi peruana Hartmann-Schröder, 1962 (specimen MUSM Nº 4590) with their respective illustration of ornamentation distribution. A) 10th right elytron; B) 11th right elytron; C) 12th right elytron. Scale bars: A–C) 1 mm.
FIGURE 8 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 8. Pharynx and jaws of Lepidonotus aff. crosslandi peruana Hartmann-Schröder, 1962. A) Frontal view of pharynx. B) Dorsal jaws seen from the pharyngeal lumen. C) Ventral jaws seen from the pharyngeal lumen. Scale bars: A) 1 mm; B–C) 400 µm.
FIGURE 3 in Scale-bearing beauty: Intertidal scale-worms (Polychaeta: Polynoidae) from Punta Blanca (Arequipa, Peru)
FIGURE 3. Lepidonotus aff. crosslandi peruana Hartmann-Schröder, 1962. A) Dorsal view of the body with elytra (specimen MUSM Nº 4591a); B) Dorsal view of the body, without elytra (specimen MUSM Nº 4590); C) Anterior region of specimen MUSM Nº 4590. Scale bars: A–B) 5mm; C) 1 mm.
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OpenNeuro
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