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FIGURE 3. Rhinothelepus oculeus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 3. Rhinothelepus oculeus n. sp., holotype AM W.47507. A–B. Notochaetae, segments 7 and 14, respectively; C. Tips of notochaetae from posterior row, segment 14; D–G. Uncini, segment 8 and three last neuropodia, respectively. Scale bars: A– C = 15 µm, D–G = 5 µm.

FIGURE 20. Trichobranchus hirsutus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 20. Trichobranchus hirsutus n. sp., paratype AM W.47510. A. Transition between thorax and abdomen, left lateral view; B–C. Progressively closer views of the notochaetae of segment 10; D. Posterior end, left lateral view; E. Pygidium, frontal view; F–I. Uncini, segment 6, from both sides of body, in progressively closer views; J. Posterior neuropodium; K–L. Progressively closer views of uncini of segment 21. Scale bars: A = 50 µm, B = 15 µm, C = 10 µm, D = 30 µm, E = 6 µm, F = 4 µm, G = 3 µm, H–I, L = 2 µm, J = 7 µm, K = 5 µm.

FIGURE 8. Thelepus paiderotos n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 8. Thelepus paiderotos n. sp., holotype AM W.44968. A–B. Entire worm, right and left lateral views, respectively; C–D, F–G. Anterior end, ventral (2), right lateral and dorsal views, respectively; E, H–I. Close ups of anterior end, dorsal, left lateral and ventral views, respectively; J. Posterior end, right lateral view. Abbreviations: numbers refer to segments, ll = lower lip, P = basal part of prostomium, ul = upper lip, * = distal part of prostomium. Scale bars: A–B = 0.7 mm, C, G= 0.5 mm, D = 0.3 mm, E–F, H–J = 0.2 mm.

FIGURE 12. Terebellides akares n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 12. Terebellides akares n. sp., holotype NTM W.023143. A–D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E–H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I–M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N–O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A–D = 0.7 mm, E–F, H–I, K, N–O = 0.3 mm, G = 0.5 mm, J, L–M = 0.2 mm.

FIGURE 2. Rhinothelepus oculeus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 2. Rhinothelepus oculeus n. sp., holotype AM W.47507. A–E. Entire worm, left dorso-lateral, left lateral and three progressively more ventral views, from right ventro-lateral to ventral, respectively; F–H. Close ups of the anterior end, left dorso-lateral and two progressively closer right ventro-lateral views, respectively; I. Posterior body, right lateral view; J–M. Close ups of anterior end, left dorso-lateral, left lateral, right ventro-lateral and ventral views, respectively. Abbreviations: numbers refer to segments, unspecified arrows point to genital papillae, ll = lower lip, P = basal part of prostomium, PP = prostomial process, ul = upper lip. Scale bars: A–E = 0.4 mm, F–G, I = 0.2 mm, H, J–M = 0.15 mm.

FIGURE 15. Terebellides akares n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 15. Terebellides akares n. sp., paratype NTM W.025894. A–B. Progressively closer views of anterior end, left lateral view; C. Posterior end, right lateral view; D. Notopodia, segments 5–10, arrows point to genital papillae of segments 6–7; E–G. Notochaetae, segment 7, in progressively closer views; H–I. Neuropodia, segments 7–8, from right and left sides of body; J. Neuropodium, segment 22; K. Uncini, segment 22; L. Neuropodial spines, segment 7; M. Uncini, segment 13; N. Uncini, segment 22. Scale bars: A = 300 Μm, B = 200 Μm, C–D = 100 Μm, E, H = 50 Μm, F = 20 Μm, G, J = 10 Μm, I = 40 Μm, K, M = 5 Μm, L = 6 Μm, N = 2 Μm.

FIGURE 18. Trichobranchus hirsutus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 18. Trichobranchus hirsutus n. sp., holotype AM W.44608 (A–C), paratype AM W.44946 (D–J). A–C. Close ups of anterior end, right dorso-lateral, ventral and left lateral views, respectively; D. Parapodia, segments 20–22; E–G. Notochaetae, segment 17, general and chaetae from anterior and posterior rows, under higher magnifications; H–J. Uncini, segments 16, 24–25 and 25 under higher magnification, respectively. Abbreviations: numbers refer to segments, ll = lower lip, P = prostomium, Pe = peristomial lobe, ul = upper lip. Scale bars: A–C = 200 Μm, D = 50 Μm, E = 40 Μm, F = 30 Μm, G, I = 20 Μm, H = 10 Μm, J = 5 Μm.

FIGURE 5. Streblosoma curvus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 5. Streblosoma curvus n. sp., holotype AM W.47508 (A–D), paratype AM W.47522 (E–K). A. Close up of the anterior end, dorsal view; B. Mid-body segments; arrow begins to first neuropodium with uncini in curved row, on segment 21; C–D. Posterior end of fragment, right and left lateral views, respectively; E–F, Notochaetae from segment 4 under progressively higher magnifications; G–H. Notochaetae, segment 23, in progressively higher magnifications; I–K, Uncini from segment 7 under progressively higher magnifications and from segment 23, respectively. Abbreviations: numbers refer to segments, P = basal part of prostomium, ul = upper lip, * = distal part of prostomium. Scale bars: A–C = 0.2 mm, D = 0.3 mm, E, G = 40 Μm, F, H = 20 Μm, I, K = 10 Μm, J = 5 Μm.

FIGURE 4. Streblosoma curvus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 4. Streblosoma curvus n. sp., holotype AM W.47508. A–D. Entire incomplete worm, ventral, dorsal, right and left lateral views, respectively; E–H. Anterior end, dorsal, ventral, left and right lateral views, respectively; I–L. Close ups of anterior end, dorsal, left lateral, ventral and right lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, P = prostomium, ul = upper lip. Scale bars: A–D = 0.5 mm, E–H = 0.3 mm, I = 0.2 mm, J–L = 0.15 mm.

FIGURE 7. Euthelepus aserrula n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 7. Euthelepus aserrula n. sp., holotype AM W.47509. A. Posterior end, right lateral view; B. Notochaetae, segment 5; C–D. Notochaetae, segment 17 under progressively higher magnifications; E–I. Uncini, segments 6, 17 and 30, the latter two under lower and higher magnifications. Scale bars: A = 300 Μm, B–C= 80 Μm, D = 50 Μm, E, G–H = 10 Μm, F, I = 5 Μm.

FIGURE 11. Thelepus paiderotos n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 11. Thelepus paiderotos n. sp., AM W.44282. A. Close up of oral area; B–C. Close ups of anterior end, dorsal view, showing origin of branchiae under progressively higher magnifications; D–E. Notopodia, segments 7–8 and 17, respectively; F–H, K. Notochaetae from anterior row, segments 7 and 8, respectively, latter under three progressively higher magnifications; I–J. Notochaetae from posterior row, segment 17, under progressively higher magnifications; L–M. Uncini, segments 7 and 26. Abbreviations: ll = lower lip, ul = upper lip, 1 = segment 1, * = distal part of prostomium. Scale bars: A = 150 Μm, B = 200 Μm, C = 60 Μm, D = 70 Μm, E = 40 Μm, F–J = 20 Μm, K = 10 Μm, L = 7 Μm, M = 5 Μm.

FIGURE 1. Live specimens. A, Streblosoma curvus n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 1. Live specimens. A, Streblosoma curvus n. sp., AM W.44276, MI QLD 2355; B–C. AM W.44287, MI QLD 2375; D–F. Thelepus paiderotos n. sp., AM W.44600, MI QLD 2397 (D–E), AM W.44283, MI QLD 2368 (F); G–H. Terebellides akares n. sp., AM W.45450, MI QLD 2445; I. Trichobranchus hirsutus n. sp., AM W.45444, MI QLD 2444. Photos: A–I – A. Semenov.

FIGURE 10. Thelepus paiderotos n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 10. Thelepus paiderotos n. sp., AM W.44282. A–F. Anterior end, right and left laterals, dorsal in progressively closer views, ventral and right lateral views, respectively; G–J. Close ups of anterior end, left lateral in progressively closer views, ventral and right lateral views, respectively, arrows in G point to nephridial/genital papillae, arrow in J points to nuchal organ; K. Notopodia of segments 3–6. Abbreviations: numbers refer to segments, ll = lower lip, P = basal part of prostomium, ul = upper lip, * = distal part of prostomium. Scale bars: A–B, E = 0.5 mm, C, F = 0.4 mm, D, H–J = 0.2 mm, G = 0.3 mm, K = 0.1 mm.

FIGURE 14. Terebellides akares n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 14. Terebellides akares n. sp., paratype NTM W.025894. A–B. Entire worm, left lateral and ventral views, respectively; C–D. Progressively closer views of anterior end, dorsal view; E–F. Close ups of buccal tentacles; G. Notopodia, segments 5–10; H–J. Close ups of branchia; K–L. Close ups of anterior end, left lateral view in progressively higher magnifications, ventral and right ventro-lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip. Scale bars: A = 500 Μm, B = 700 Μm, C = 400 Μm, D, K = 300 Μm, E = 100 Μm, F, I = 20 Μm, G = 150 Μm, H, J = 70 Μm, L = 200 Μm.

FIGURE 16. Terebellides akares n in Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia

FIGURE 16. Terebellides akares n. sp., paratype AM W.45831. A. Anterior end, dorsal view; B–C. Anterior end, right lateral view, under progressively higher magnifications, arrow points to nephridial papilla; D, F, I–J. Close ups of branchia; E. Close up of anterior end, ventral view; G. Uncini, segment 14; H. Close up of tips of some buccal tentacles. Abbreviations: numbers refer to segments, ll = lower lip. Scale bars: A = 400 Μm, B = 300 Μm, C–E, H = 100 Μm, F = 40 Μm, G = 4 Μm, I = 20 Μm, J = 10 Μm.

FIGURE 6 in New species of Thelepodidae (Terebelliformia, Polychaeta) from Taiwan

FIGURE 6. Thelepus longtongensis sp. nov. Holotype (NMNS2572-1024): A, lateral view of anterior body; B, closed-up ventral view of anterior body; C, close-up lateral view of anterior body; D, close-up lateral view of anterior body; E, notochaetae, segment 19; F, frontal view of uncinus, segment 7; G, lateral view of uncinus segment 40; H, line draw of uncinus, segment 40. LL, lower lip; P, Prostomium; UL: Upper lip. Scale: A, 10.0 mm; B–D, 1.0 mm, E, 0.5 mm; F–H, 0.1 mm.

FIGURE 5 in New species of Thelepodidae (Terebelliformia, Polychaeta) from Taiwan

FIGURE 5. Thelepus taiwanensis sp. nov. Holotype (NMNS7516-21): A, lateral view of anterior region; B, closed-up lateral view of anterior body; C, close-up ventral view of view anterior body; D, close-up view of notopodium, segment 13; E, closeup view of notochaetae, segment 10; F, frontal view of uncini, segment 10; G, frontal view of uncinus segment 34; H, lateral view of uncinus, segment 37. LL, lower lip; P, Prostomium; UL, Upper lip. Numbers indicate segment number. Scale: A, 10.0 mm; B–D, 1.0 mm; E, 0.1 mm; F–G, 0.05 mm; H, 0.1 mm.

FIGURE 4 in New species of Thelepodidae (Terebelliformia, Polychaeta) from Taiwan

FIGURE 4. Streblosoma wuchiensis sp. nov.; holotype (NMNS7516-2): A, close-up view of neuropodia on middle segments; B, frontal view of uncinus, segment 9; C, close-up view of neuropodia on posterior segments; D, frontal view of uncinus, segment 27. Scale: A, C, 0.5 mm; B, D, 0.05 mm.

FIGURE 3 in New species of Thelepodidae (Terebelliformia, Polychaeta) from Taiwan

FIGURE 3. Streblosoma wuchiensis sp. nov. A, dorsal view of live animal (paratype; NMNS7516-16); holotype (NMNS7516- 2): B, close-up lateral view of anterior body; C, close-up ventral view of anterior body; D, close-up dorsal view of anterior body; E, notochaetae of anterior parapodia; F, closed-up view of notochaetae, segment 9; F, frontal view of uncinus segment 9; G, lateral view of uncinus, segment 9; H, frontal view of uncini, segment 27. ES, eyespots; LL, lower lip; UL, upper lip. Numbers indicate segment number. Scale: A, 10 mm, B–D, 0.5 mm; E, 1.0 mm; F, 0.1 mm.

FIGURE 2 in New species of Thelepodidae (Terebelliformia, Polychaeta) from Taiwan

FIGURE 2. Streblosoma chiguensis sp. nov. Holotype (NMNS7516-1): A, lateral view of uncini, segment 13; B, line draw of lateral-view uncinus, segment 13, the middle tooth of the 3rd TR is not shown; C, close-up view of neuropodia on middle segments; D, close-up view of neuropodia on posterior segments; E, frontal view of uncini, segment 32; F, close-view of the same uncini, segment 32. Scale: A–B, 0.05 mm; C, 0.5 mm; D, 0.1 mm; E–F, 0.05 mm.