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111 results for “Ampharetidae”
FIGURE 14. Anobothrus wilhelmi n in New Ampharetidae (Polychaeta) from the deep Southern Ocean and shallow Patagonian waters
FIGURE 14. Anobothrus wilhelmi n.sp. (paratype, ANDEEP III st. 81-8, ZMH-26073) SEM A—anterior region, B—nuchal organ, C—notopodium of TU-2, nephridial papilla, D—notochaetae of TU-1.
FIGURE 5 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 5. Pavelius makranensis sp. nov. Holotype: (A) anterior end, lateral view; (B) thoracic, intermediate, and abdominal uncinigers, lateral view; (C) posterior end, ventral view. Paratype (SMF 24141): (D) anterior end, dorsal view.
FIGURE 2 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 2. Anobothrus dayi: (A) entire specimen, dorsal view; (B) thoracic uncinus, fronto-lateral view.
FIGURE 7 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 7. ID cards: (A) Eclysippe yonaguniensis sp. nov. (B) Glyphanostomum bilabiatum sp. nov. (C) Pavelius makranensis sp. nov.
FIGURE 4 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 4. Glyphanostomum bilabiatum sp. nov. Holotype: (A) anterior end, lateral view; (B) thoracic uncinigers 6–10, dorsal view; (C) thoracic, intermediate, and abdominal uncinigers, lateral view; (D) posterior end, lateral view. Paratype: (E) thoracic uncinus, lateral view; (F) abdominal uncinus, antero-lateral view.
FIGURE 3 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 3. Eclysippe yonaguniensis sp. nov. Holotype: (A) entire specimen, dorsal view; (B) anterior end, ventral view; (C) thoracic, intermediate, and abdominal uncinigers, ventral view.
FIGURE 1 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 1. Amage cf. ehlersi: (A) entire specimen, dorsolateral view; (B) uncinus from lower thoracic torus, frontal view; (C) uncinus from upper thoracic torus, frontal view; (D) abdominal uncinus, lateral view; (E) abdominal uncinus, fronto-lateral view.
FIGURE 6 in Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
FIGURE 6. Pavelius makranensis sp. nov. SEM micrographs from SMF 24143: (A) capillary chaetae; (B) anterior end, dorsal view, arrow pointing to nephridial papilla; (C) thoracic uncini, lateral view; (D) thoracic uncini, frontal view; (E) abdominal neuropodium with uncini, posterior view.
FIGURE 11 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 11. Paralectotypes of Ampharete grubei Malmgren, 1865 (SMNH-Type 5101). Micrographs of methyl blue staining patterns and unstained individuals. A. Complete specimen, dorsal view. B. Anterior end with paleae, branchiae and buccal tentacles, ventral view. C. Last thoracic and both intermediate segments (XVII–XXX) of large specimen (50 mm long) without dorsal cirri on neuropodia, lateral view. D. Posterior end with lateral cirri and long anal papillae, ventral view. E. Last thoracic, intermediate and abdominal segments (XVIII–XXIX) of smaller specimen (37 mm long) with short dorsal cirri on neuropodia, lateral view. A–C: unstained. D, E: Methyl blue staining. Scale bars: A = 2 mm. B, D = 500 µm. C, E = 1 mm.
FIGURE 10 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 10. Paratypes of Ampharete baltica Eliason, 1955 (GNM Polych. 11103). Micrographs of methyl blue staining patterns and unstained individuals. A. Complete specimen, dorsal view. B. Anterior end with branchiae and paleae, ventral view. C. Posterior end with anal papillae, dorsal view. D. Lateral view of segments XIII–XXI, eggs present in segments X–XXI. E. Last intermediate, and two abdominal segments (XIX–XXI), lateral view. Arrow is pointing towards minute dorsal papilla on pinnule of first abdominal unciniger. A, C: Methyl blue staining. B, D, E: Unstained. Scale bars: A, B = 500 µm. C, D = 250 μm, E = 150 µm.
FIGURE 9 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 9. Molecular phylogenetic analysis after Maximum Likelihood (ML) method (1000 Bootstraps) based on Tamura-Nei model (Tamura & Nei 1993). Labelling next to the species names indicate the relevant GenBank or BOLD Accession Numbers. The percentage of trees in which the associated taxa clustered together is shown next to the branches. A discrete Gamma distribution was used to model evolutionary rate differences among sites (16 categories (+G, parameter = 0.3814)). The rate variation model allowed for some sites to be evolutionarily invariable ([+I], 67.0521% sites). There were a total of 635 positions in the final dataset. Evolutionary analyses were conducted in MEGA6 (Tamura et al. 2013).
FIGURE 7. Ampharete cirrata, SEM micrographs. A in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 7. Ampharete cirrata, SEM micrographs. A. Posterior thoracic segments (segments XII-XVI), ventral view, left is anterior. Papillae on thoracic uncinigers become larger toward the abdomen, eventually forming a cirrus. B. Tip of thoracic notopodium with small terminal lobe. C. Detail of bilimbate spinulose notochaeta. D. Segment XII-XIX ventral view, ventral shields up to segment XIV, median ventral groove from segment XV. E. Segments VIII-X, ventral shields in detail. F. Thoracic uncini. G. Intermediate uncini. H. Abdominal uncini. Scale bars: A, E = 200 µm. B = 50 µm. C, F, G = 10 µm. D = 500 µm. H = 5µm.
FIGURE 8 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 8. Syntype of Ampharete cirrata from the NMNH (USNM 457), Micrographs of methyl blue staining pattern. A. Complete specimen, lateral view. B. Posterior end with anal cirri and pinnules with dorsal cirri, ventral view. Scale bars: A = 1 mm. B = 80 µm.
FIGURE 6. Ampharete cirrata, SEM micrographs. A. Anterior end, ventral view with buccal tentacles. B. Anterior end, frontal view. C. Buccal tentacles from A, enlarged. D. Paleae from B, enlarged. E in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 6. Ampharete cirrata, SEM micrographs. A. Anterior end, ventral view with buccal tentacles. B. Anterior end, frontal view. C. Buccal tentacles from A, enlarged. D. Paleae from B, enlarged. E. Anterior end, dorsal view with one branchia. Arrows are pointing towards nephridial papillae on segment IV. F. Posterior end, terminal view on anal cirri. G. Posterior end, lateral view, with abdominal pinnules with dorsal cirri and anal cirri. Scale bars: A, B, E, G = 200 µm. C, D = 50 µm. F = 100 µm.
FIGURE 5. Ampharete cirrata. A in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 5. Ampharete cirrata. A. Anterior end, dorsal view with dissected branchiae. Arrow is pointing towards nephridial papilla on segment IV. B. Last thoracic, intermediate and first abdominal segments (segments XVII–XX), lateral view. Arrow is pointing towards papilla (glandular pad?) above the neuropodium. C. Differing shapes of abdominal pinnules with cirri, last pinnule (rightmost) always elongated (two-sided arrow indicates length of base of pinnule). D. Thoracic and intermediate uncini. E. Abdominal uncinus. Scale bars: A, B = 200 µm. C = 100 µm. D, E = 10 µm.
FIGURE 3 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 3. Ampharete acutifrons. Holotype (ZMB Verm. 1575), Micrographs of methyl blue staining pattern. A. Complete specimen, ventral view, with continuous ventral shields from segment I to XIV and median ventral groove from segment XV to posterior end. B. Dorsal view on posterior thorax and abdomen with damaged segments. Arrows point towards eggs, leaving the body wall in intermediate and following three abdominal segments. Note: Abdominal neuropodia without cirri. C. Anterior end, dorsal view with branchiae missing, bases still recognizable. Note: Presence of thick and relatively short paleae and two buccal tentacles. D. Dorsal view on paleae of left body side in detail. Arrow indicates smaller and thinner paleae. E. Posterior end with anal cirri. F. Thoracic notopodia 6-9, dorsal view. G. Last thoracic notopodium with differing diameters of chaetae. H. Detached abdominal uncinus. Scale bars: A, B = 500 µm. C = 400 µm. D, E = 200 µm. F = 100 µm. G = 75 µm, H = 10 µm.
FIGURE 4 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 4. Ampharete cirrata, Micrographs of methyl blue and ShirlastainA staining patterns. A. Complete specimen, lateral view. B. Posterior end with anal cirri and two pinnules with dorsal cirri, lateral view, ventral side on the right. C. Anterior end, lateral view. Arrow is pointing towards vestigial notopodium on segment III. D. Thoracic notopodium with thick and thin chaetae. E. Dissected notopodium, showing differing diameters of chaetae. A, B, D: Methyl blue staining. C, E: ShirlastainA staining. Scale bars: A = 1 mm. B– E = 200 µm.
FIGURE 2 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 2. Original drawings from the first description of Amphicteis acutifrons by Grube 1860. 6. Anterior end, ventral view. 6a. Posterior end with anal cirri, ventral view.
FIGURE 1 in From synonym to valid species: Redescriptions of Ampharete acutifrons (Grube, 1860) and A. cirrata Webster & Benedict, 1887, and brief descriptions of A. baltica Eliason, 1955 and A. grubei Malmgren, 1865 (Annelida: Terebellida: Ampharetidae)
FIGURE 1. Map showing locations in the Baltic Sea where specimens of Ampharete cirrata were collected (black circles: specimens collected in 2019; grey squares: specimens collected in 2002, 2003 and 2010).
Figure 10 in Taxonomy and distribution of the genus Amphicteis (Polychaeta: Ampharetidae) collected by the BIOICE project in Icelandic waters
Figure 10. Amphicteis wesenbergae sp. nov. Scanning electron micrograph from paratype (ZMUC-POL-2148). (A) Anterior end, dorsal view; (B) paleae, distal end; (C) thoracic chaetigers 1–4, dorsal view; (D) posterior end, dorsal view; (E) abdominal mid-body chaetiger; (F) abdominal uncini. Abbreviations: cp, clavate papilla; dc, dorsal cirrus.
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