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51 results for “fan worms”
FIGURE 8 in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 8. Sabellomma collinae gen. nov., sp. nov. A: anterior end, dorsal view; B: anterior end, left lateral view; C: anterior end, ventral view; D: detail of anterior end, dorsal view; E: detail of anterior end, left lateral view; F: dorsal lip (dissected crown); G–H: details of collar and base of crown, ventral view; I: posterior end, left lateral view. Unspecified arrows point to ciliated patch; bp = basalmost pinnule; br = branchial ridge; dl = dorsal lip; pl = parallel lamellae; ra = radiolar appendage; vs = ventral sacs. Photos A–E, G–H from paratype 7 (LACM-AHF 2411); photo F from paratype 6 (LACM-AHF 2410). Scale bars: A–B = 0.4 mm; C–E = 0.2 mm; F–G, I = 0.1 mm; H = 60 µm.
FIGURE 22 in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 22. Strict consensus tree presented in Fig. 19, but 'inapplicable' character optimizations for distribution of simple eyes (subject 9; cf. Tables 6–7) correctly treated as inapplicable. Note that Sabellomma is monophyletic on the basis of simple eyes distributed along the entire lengths of radioles [9(1)] and presence of interramal eyespots [21(1)]. Relationships among Sabellomma are determined by one of the optimizations of dorsal pinnular appendages (subject 13); compare with alternate optimization in Fig. 20.
FIGURE 7 in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 7. Sabellomma collinae gen. nov., sp. nov. A: total worm, left lateral view; B: total worm, dorsal view; C: total worm, right lateral view; D: total worm, ventral view; E: anterior end, ventral view; F: anterior end, left ventro-lateral view; G: anterior end, left lateral view; H: anterior end, dorsal view; I: anterior end, right lateral view; J: detail of anterior end, ventral view; K: detail of anterior end, left ventro-lateral view; L: anterior to mid-abdominal segments; M: posterior end, right lateral view. All photos from holotype (LACM-AHF 2404). vs = ventral sacs. Scale bars: A–D = 1 mm; E–I, K = 0.7 mm; J = 0.4 mm; L–M = 0.3 mm.
FIGURE 5. Sabellomma minuta gen. nov., comb. nov. A in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 5. Sabellomma minuta gen. nov., comb. nov. A: neurochaetae from segment 2; B–D: companion chaetae from segments 2, 4 and 2, respectively; E–F: uncini from segment 4; G: anterior abdominal uncini; H: mid-abdominal uncini; I: posterior abdominal uncini; J: uncini from segment 2. All photos from spec. 10 (LACM-AHF 2400). Scale bars: A = 20 µm; B–C = 8 µm; D, F–G, J = 5 µm; E = 9 µm; H–I = 6 µm.
FIGURE 6. Sabellomma minuta gen. nov., comb. nov. A in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 6. Sabellomma minuta gen. nov., comb. nov. A: inferior thoracic notochaetae (paleae) from segment 3; B: neurochaetae from segment 3; C: neurochaetae from segment 9; D: uncini from segment 9. All photos from holotype (AMNH 2894). Scale bars: A–C = 60 µm; D = 40 µm.
FIGURE 24 in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 24. Detail of the phylogenetic and specific hypotheses from Fig. 22, showing optimizations of dorsal pinnular appendages. The formal definitions of these hypotheses are also presented, indicating that specific hypotheses S. collinae and S. minuta cannot be defined (cf. Figs 21, 23 for alternative optimizations).
FIGURE 17 in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 17. Methyl green staining. Sabellomma harrisae gen. nov., sp. nov. A–B: total worm; C: anterior end, ventral view; D: posterior end, ventral view; E: total worm, left lateral view; F: posterior end, dorsal view. Photos A–D from spec. BPBM 1237, after ~2.5 hours in ethanol after immersion in methyl green solution; photos E–F from paratype 2 (LACM-AHF 2415), after ~24 hours in ethanol after immersion in methyl green solution. Scale bars: A = 0.6 mm; B = 1 mm; C, F = 0.3 mm; D = 0.4 mm; E = 0.7 mm.
FIGURE 4. Sabellomma minuta gen. nov., comb. nov. A in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 4. Sabellomma minuta gen. nov., comb. nov. A: collar chaetae; B: notochaetae from segment 2; C: notochaetae from segment 5; D: neurochaetae from segment 6; E–F: inferior thoracic notochaetae (paleae) from segments 3 and 5, respectively; G: detail of neurochaetae from anterior row from segment 6. All photos from spec. 10 (LACM-AHF 2400). Scale bars: A, D = 30 µm; B = 40 µm; C = 20 µm; E = 9 µm; F = 12 µm; G = 15 µm.
FIGURE 2. Sabellomma minuta gen. nov., comb. nov. A in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 2. Sabellomma minuta gen. nov., comb. nov. A: total worm, right lateral view; B: anterior end, left lateral view; C: anterior end, dorsal view; D: anterior end, left lateral view; E: dorsal lip (dissected crown); F–G: details of base of crown; H: anterior end, right lateral view; I–J: details of anterior end, ventral view. br = branchial ridge; ci = ciliated patch; dl = dorsal lip; pa = pinnular appendage; pl = parallel lamellae; ra = radiolar appendage; vs = ventral sacs. Photos A–D, F–J from spec. 10 (LACM-AHF 2400); photo E from spec. 20 (LACM-AHF 2403). Scale bars: A–B = 0.5 mm; C = 0.3 mm; D, H = 0.4 mm; E, I = 75 µm; F = 0.1 mm; G = 40 µm; J = 80 µm.
FIGURE 3. Sabellomma minuta gen. nov., comb. nov. A in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 3. Sabellomma minuta gen. nov., comb. nov. A: middle part of radiole; B: collar chaetae; C: notochaetae from segment 3; D: neurochaetae from segment 10; E: neurochaetae from segment 3; F: uncini from segment 10; G: neurochaetae from segment 4; H: uncini from segment 18. Photos B–C, E, G–H from spec. 19 (ZUEC-POL 7445); photos D and F from spec. 10 (LACM-AHF 2400). Scale bars: A = 60 µm; B–C, E, G = 30 µm; D = 40 µm; F, H = 20 µm.
FIGURE 1. Sabellomma minuta gen. nov., comb. nov. A in A new genus and new species of fan worms (Polychaeta: Sabellidae) from Atlantic and Pacific Oceans—the formal treatment of taxon names as explanatory hypotheses
FIGURE 1. Sabellomma minuta gen. nov., comb. nov. A: entire specimen, left ventro-lateral view; B–D: entire specimen, ventral, ventral and left lateral views, respectively; E, G: anterior end, ventral views; F: anterior end, right lateral view; H: posterior end, right ventro-lateral view. A, C–D, F–H from spec. 18 (MZUSP 1050), B, E from holotype (AMNH 2894). Scale bars: A–D = 2 mm; E–G = 0.7 mm; H = 0.5 mm.
Figure 6 in New records of sclerozoan fan worms in Acropora sp. from the Gulf of Mannar, south-eastern coast of India (Annelida: Sabellidae)
Figure 6. Notaulax pyrrhogaster (Grube, 1878). (a) Spine-like chaetae from collar; (b) superior thoracic chaetae, broadly hooded; (c) thoracic uncini; (d) paleate chaetae from thorax; (e) thoracic companion chaetae; (f) abdominal uncini; (g) paleate chaetae and needle-like chaetae from abdominal segments; (h) paleate chaetae from posterior segments; (i) posterior abdominal segments, ventral view.
Figure 3 in New records of sclerozoan fan worms in Acropora sp. from the Gulf of Mannar, south-eastern coast of India (Annelida: Sabellidae)
Figure 3. Acromegalomma quadrioculatum (Willey, 1905). (a) Collar and radiolar crown, ventral view; (b) dorsal collar margin and base of radiolar crown; (c) collar and radiolar crown, dorsal view; (d) collar and thoracic segments, ventral view; (e) collar, thoracic segments and anterior abdomen segments, ventral view; (f) radiolar eyes from dorsalmost pair.
Figure 2 in New records of sclerozoan fan worms in Acropora sp. from the Gulf of Mannar, south-eastern coast of India (Annelida: Sabellidae)
Figure 2. Blocks of dead Acropora sp. coral and its sclerozoan fan worms. (a, b) Radiolar crown of Acromegalomma quadrioculatum (Willey, 1905), circled in yellow; (c) bore in longitudinal section of Notaulax pyrrhogaster (Grube, 1878).
Figure 4 in New records of sclerozoan fan worms in Acropora sp. from the Gulf of Mannar, south-eastern coast of India (Annelida: Sabellidae)
Figure 4. Acromegalomma quadrioculatum (Willey, 1905). (a) Radiolar tip; (b) thoracic notopodial fascicle with superior group of elongate, narrowly hooded chaetae, and inferior group of Type B chaetae (with progressively tapering distal tip); (c) abdominal fascicle with elongate narrowly hooded chaetae; (d) thoracic uncini; (e) thoracic companion chaetae; (f) abdominal uncini; (g) posterior end of abdomen, latero-ventral view.
Figure 5 in New records of sclerozoan fan worms in Acropora sp. from the Gulf of Mannar, south-eastern coast of India (Annelida: Sabellidae)
Figure 5. Notaulax pyrrhogaster (Grube, 1878). (a) Collar and radiolar crown, lateral dorsal view; (b) collar and thoracic segments, dorsal view; (c) collar with orange triangle and thoracic segments, ventral view; (d) radiolar ocelli, and radiolar pinnules and radiolar tip; (e) detail of basal ocelli; (f) detail of distal ocelli.
Figure 1 in New records of sclerozoan fan worms in Acropora sp. from the Gulf of Mannar, south-eastern coast of India (Annelida: Sabellidae)
Figure 1. Map of the collection site.
Figure 8 from: Capa M, Murray A (2016) Combined morphological and molecular data unveils relationships of Pseudobranchiomma (Sabellidae, Annelida) and reveals higher diversity of this intriguing group of fan worms in Australia, including potentially introduced species. ZooKeys 622: 1-36. https://doi.org/10.3897/zookeys.622.9420
Figure 8 - Pseudobranchiomma cf. Pseudobranchiomma schizogenica. AM W.36368, AM W.36369. Photographs. A Anterior end, lateral view B Detail of base of crown and anterior segments, ventral view C Detail of lateral radiole D Anterior thoracic segments, lateral view E Anterior thoracic segments, dorsal view F Anterior thoracic segments, dorsal view. dra, dorsal radiolar appendages; vl, ventral lappet; vs, ventral sac; white arrows, serrations of radiolar lateral flanges.
Figure 4 from: Capa M, Murray A (2016) Combined morphological and molecular data unveils relationships of Pseudobranchiomma (Sabellidae, Annelida) and reveals higher diversity of this intriguing group of fan worms in Australia, including potentially introduced species. ZooKeys 622: 1-36. https://doi.org/10.3897/zookeys.622.9420
Figure 4 - Pseudobranchiomma cf. Pseudobranchiomma orientalis AM W.32677, AM W.32679: Photographs. A Anterior end, ventral view B Detached radiole C Detail of lateral radiole, mid length D Detail of base lateral radiole E Detail of radiolar crown base with dorsal radiolar appendages F Detail of radiolar crown base with ventral sacs G Anterior thoracic parapodia H Posterior abdominal segments. dra, dorsal radiolar appendages; vs, ventral sac; black arrows, interramal eyespots.
Figure 6 from: Capa M, Murray A (2016) Combined morphological and molecular data unveils relationships of Pseudobranchiomma (Sabellidae, Annelida) and reveals higher diversity of this intriguing group of fan worms in Australia, including potentially introduced species. ZooKeys 622: 1-36. https://doi.org/10.3897/zookeys.622.9420
Figure 6 - Pseudobranchiomma orientalis Type BMNH 85.12.1.393. Line drawings by Phyllis Knight-Jones. A–C Second dorsal radiole from different views D Holotype, divided in two, and partially covered by the tube, lateroventral view E Base of crown and anterior thoracic chaetigers, ventral view F Same, lateral view G Same, dorsal view H Thoracic parapodium I Abdominal parapodium. Scale bars: A–C = 1 mm; D = 2 mm; E–G = 1 mm; H–I = unknown.
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