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18 results for “polynoids”
Figure 10 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 10.- Dead colony of Corallium sp. showing traces of galleries (pointed by white arrows and outlined by red tracing) likely originated for the association with Gorgoniapolynoe caeciliae. Scale bar is cm.
Figure 8.- Gorgoniapolynoe caeciliae. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 8.- Gorgoniapolynoe caeciliae. MNCN 16.01/14337. A. Left elytron from first pair. B. Detail of margin of same. C. Elytron from midanterior region. D. Parapodium from chaetiger 32, dorsal cirri broken (placed in approximate position); black arrow pointing on the small scattered papillae on cirri; white arrow pointing on the approximate position of nephridial papilla. E. Nephridial papilla. F. Notochaetae. G. Neurochaetae from dorsal-most bundle. H. Neurochaetae from ventral-most bundle. Scale bars are µm.
Figure 6.- Parahololepidella greeffi. Syntype ZMH 5692. A. Anterior end, dorsal view. B. Neurochaetae from anterior region, showing damaged tips. C. Notochaetae. D. Dissected parapodia from mid-body. E in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 6.- Parahololepidella greeffi. Syntype ZMH 5692. A. Anterior end, dorsal view. B. Neurochaetae from anterior region, showing damaged tips. C. Notochaetae. D. Dissected parapodia from mid-body. E. Neurochaetae of the same (black arrow pointing at the apparently bidentate chaetae). F. Notochaetae of the same. B, C, E, F: scale bar 125 µm.
Figure 7 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 7.- Tanacetipathes cf. spinescens. MNCN16.01/13707. A.- Whole view of a host colony harbouring four specimens of Parahololepidella greeffi. B. Detail of a host curled on the main stem of the host black coral. White arrows point to the position of the symbionts.
Figure 9.- Gorgoniapolynoe caeciliae. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 9.- Gorgoniapolynoe caeciliae. MNCN 16.01/14337. A. Two fragments of Candidella imbricata, one of them with the symbiont inside a gallery formed by expanded esclerites (arrow pointing on worm's head). B. Detail of the anterior end of the worm (arrow pointing on worm's head showing eyes through the first pair of elytra). C. Fragment of Candidella imbricata with the symbiont inside a gallery formed by expanded esclerites (arrows pointing on worm's head and pygidium). D. Same worm as in C, extracted from the gallery. MNCN 16.01/14341. E. Fragment of Corallium niobe, with a worm inside a gallery in the axis of a branch. F. Anterior end of the same worm as in E, extracted from the gallery. Scale bars are mm.
Figure 5.- Parahololepidella greeffi. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 5.- Parahololepidella greeffi. MNCN 16.01/13708. Right cirrigerous parapodium. A. From chaetiger 44, posterior view, chaetae omitted. B. From chaetiger 12, posterior view, with chaetae. Gorgoniapolynoe caeciliae. MNCN 16.01/14337. C. Left elytron of first pair; left margin folded on dorsal side. D. Detail of margin of same elytron. E. Notochaeta. F. Ventral-most neurochaeta. G. Dorsal-most neurochaeta. H. 35th parapodium. Scale bars are µm.
Figure 2.- Parahololepidella greeffi. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 2.- Parahololepidella greeffi. MNCN 16.01/13708. Juvenile. A. Entire view. A1 – A4. Detail of the anterior end (A1), mid-anterior region (A2), mid-posterior region (A3), and posterior end (A4). Scale bars are cm.
Figure 4.- Parahololepidella greeffi. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 4.- Parahololepidella greeffi. MNCN 16.01/13708. Mid-body segment. A. Whole view of a transversal section, showing elytra and dorsal cirri on the same segment. B. Notopodium. C. Neuropodial acicular lobe. D. Neuropodial post-acicular lobe. E. Ventral cirri and nephridial papilla (black arrow). F. Neuropodial chaetae. G. Notopodial chaetae. Scale bars are cm (A) and mm (B-G).
Figure 3.- Parahololepidella greeffi. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 3.- Parahololepidella greeffi. MNCN 16.01/13708. Elytrae. Numbers represent the segment from which elytra were removed.
Figure 1.- Parahololepidella greeffi. MNCN 16.01 in New symbiotic associations involving polynoids (Polychaeta, Polynoidae) from Atlantic waters, with redescriptions of Parahololepidella greeffi (Augener, 1918) and Gorgoniapolynoe caeciliae (Fauvel, 1913)
Figure 1.- Parahololepidella greeffi. MNCN 16.01/13708. (A, B) and MNCN 16.01/14341 (C, D). Adults in dorsal (A, C) and ventral (B, D) view.
Figure 24. Paranaitis polynoides. A in A revision of Paranaitis Southern, 1914 (Polychaeta: Phyllodocidae)
Figure 24. Paranaitis polynoides. A, specimen from Washington, USA (USNM-32461). B, specimen from Santa Monica Bay, California (ZIHU-2016). A, anterior end, dorsal view. B, anterior end with fully everted proboscis, lateral view.
Video recordings of polynoid (Annelida) swimming and crawling
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FIGURE 5. Acanthicolepis zibrowii n in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 5. Acanthicolepis zibrowii n. sp. (SMF 17300, syntypes). (A) anterior end of large syntype, styles of left lateral and median antenna, and of tentacular cirri and right dorsal cirrus missing; (B) right anterior elytron from unknown segment, free in vial; (C) micro- and macrotubercles from same; (D) right elytragerous parapodium from segment 9 of large syntype, posterior view; (E) distal half of long notochaeta; (F) distal part of middle neurochaeta; (G) tip of same; (H) tip of upper neurochaeta; (I) tip of lower neurochaeta. (Scales: A = 2 mm; B = 1 mm; C = 250 µm; D = 500 µm; E, F = 100 µm; G–I = 50 µm).
FIGURE 3 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 3. Eunoe oerstedi (SMF 17527, small specimen). (A) anterior end; (B) left elytron from segment 4; (C) micro- and macrotubercles from same; (D) left elytragerous parapodium from segment 13, posterior view; (E) distal half of long notochaeta; (F) distal part of upper neurochaeta; (G) distal part of middle neurochaeta; (H) distal part of lower neurochaeta. (Scales: A = 2 mm; B = 1 mm; C, E–H = 250 µm; D = 500 µm).
FIGURE 2 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 2. Eunoe nodosa (ZMO C5244). (A) anterior end, styles of median antenna, left tentacular and right dorsal tentacular cirri, and dorsal cirri missing; (B) right anterior elytron from unknown segment, free in vial; (C) micro- and macrotubercles at posterior margin from same; (D) micro-and macrotubercles at outer lateral margin from same; (E) right elytragerous parapodium from segment 21, posterior view; (F) distal half of long notochaeta; (G) tip of same; (H) distal part of middle neurochaeta; (I) tip of same; (J) tip of upper neurochaeta; (K) tip of lower neurochaeta. (Scales: A, B = 2 mm; C, D, F, H = 250 µm; E = 500 µm; G, I–K = 100 µm).
FIGURE 4 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 4. Leucia nivea (VM 23936). (A) anterior end; styles of lateral antennae and tip of median antenna missing; (B) right elytron from unknown segment, free in vial; (C) micro- and macrotubercles from same; (D) left parapodium from unknown segment, posterior view; (E) distal half of long notochaeta; (F) tip of same; (G) distal part of middle neurochaeta; (H) tip of same; (I) tip of lowermost neurochaeta. (Scales: A, B = 2 mm; C, F, H, I = 100 µm; D = 1 mm; E, G = 250 µm).
FIGURE 1 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 1. Harmothoe globifera (SMF 18887). (A) anterior end; (B) right anterior elytron from unknown segment, free in vial; (C) micro- and macrotubercles from same; (D) left elytragerous parapodium from segment 5, posterior view; (E) distal half of long notochaeta; (F) distal part of middle, unidentate neurochaeta; (G) tip of same; (H) tip of upper bidentate neurochaeta with fragile secondary tooth; (I) tip of upper bidentate neurochaeta with abraded secondary tooth; (J) tip of lower unidentate neurochaeta. (Scales: A, B = 2 mm; C = 250 µm; D = 500 µm; E, F = 100 µm; G–J = 50 µm).
Figure 26. Paranaitis polynoides, specimens from USA. Relationships between A in A revision of Paranaitis Southern, 1914 (Polychaeta: Phyllodocidae)
Figure 26. Paranaitis polynoides, specimens from USA. Relationships between A, number of segments and body length, B, number of segments and body width, and C, body length and body width.
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