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150 results for “Prionospio”
Fig. 2 in High diversity and pan-oceanic distribution of deep-sea polychaetes: Prionospio and Aurospio (Annelida: Spionidae) in the Atlantic and Pacific Ocean
Fig. 2 Phylogenetic tree of Prionospio and Aurospio species obtained in the study based on mitochondrial 16S gene fragments. Individual specimens can be found in Supplement 2. Posterior probabilities shown next to the nodes (values below 0.8 are not shown). Bootstrap values are
Fig. 2 in Morphology and phylogeny of a new polychaete, Prionospio expansa (Annelida: Spionidae) from the intertidal zone of the Yellow Sea, Korea
Fig. 2. Drawing of Prionospio expansa sp. nov., paratype (NIBRIV0000900992). A. Anterior body without palps. B–E. Parapodium from chaetigers 2–5, front view. F. Unilimbate capillary from first notopodium. G. Ventral sabre chaeta from chaetiger 12. H. Neuropodial hooded hook from chaetiger 17. Scale bars: A = 0.2 mm; B–E = 0.1 mm; F–H = 20 μm.
Fig. 4 in Morphology and phylogeny of a new polychaete, Prionospio expansa (Annelida: Spionidae) from the intertidal zone of the Yellow Sea, Korea
Fig. 4. SEM images of two Prionospio species from Korean waters. A–I. Prionospio expansa sp. nov. A–B, D–F. Paratype (NIBRIV0000901890). C, G–I. Paratype (NIBRIV0000901891). J–K. Korean Prionospio japonica Okuda, 1935, non-type. A. Entire body without palp, dorsal view. B. Anterior end with seven chaetigers, dorsolateral view. C. Anterior end with eight chaetigers, dorsal view. D. Anterior end, front view. E. Frontal margin of prostomium, arrows indicating frontal small peaks. F. Pygidium with middorsal cirrus and paired ventral lappets. G. Hook of middle chaetiger, hood removed, lateral view. H. Hook of posterior chaetiger, lateral view. I. Hook of posterior chaetiger, ventrolateral view. J. Anterior end with seven chaetigers, dorsolateral view. K. Pygidium. Abbreviation: tcb = transverse ciliated bands. Scale bars: A = 0.5 mm; B–D = 0.1 mm; E = 10 μm; F = 20 μm; G = 2 μm; H–I = 1 μm; J–K = 0.2 mm.
Fig. 3 in Morphology and phylogeny of a new polychaete, Prionospio expansa (Annelida: Spionidae) from the intertidal zone of the Yellow Sea, Korea
Fig. 3. Images of Prionospio expansa sp. nov. A, C. Holotype (NIBRIV0000900991). B. Paratype (NIBRIV0000901000). D–J. Paratype (NIBRIV0000900992). A. Entire body with palps. B. Live specimen, dorsolateral view. C. Anterior end with palps, dorsal view. D. Anterior end without palps, dorsal view. E. Chaetiger 2, front view, branchia missing. F. Chaetiger 3, front view. G. Chaetiger 5, front view. H. Unilimbate capillary of first monopodium. I. Sabre chaeta of chaetiger 12. J. Lateral view of hooded hook in chaetiger 17, inset indicating front view of hooded hook. Abbreviation: pig = pigmentation. Scale bars: A = 0.5 mm; B–D = 0.2 mm; E–G = 50 μm; H–I = 20 μm; J = 10 μm.
Fig. 1 in Morphology and phylogeny of a new polychaete, Prionospio expansa (Annelida: Spionidae) from the intertidal zone of the Yellow Sea, Korea
Fig. 1. Map of the sampling sites and habitat of Prionospio expansa sp. nov. A. Map of sampling locations: type locality (red star) and other examined specimens collected (black circle). B. General view of type locality. C. Live worm inhabiting sandy sediment, scale bar: 5 mm.
Fig. 5 in Morphology and phylogeny of a new polychaete, Prionospio expansa (Annelida: Spionidae) from the intertidal zone of the Yellow Sea, Korea
Fig. 5. Relationships between the total chaetigers and the first appearances of neuro- and notopodial hooks in Prionospio expansa sp. nov.
FIGURE 34 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 34. Prionospio quadrilamellata sp. nov. A. Chaetiger 1. B. Chaetiger 2. C. Chaetiger 3. D. Chaetiger 4. E. Notochaetae from anterior region. F. Neurochaetae from anterior region. G. Posterior capillary chaetae. H. Companion capillary chaetae. I. Hooded hook. J. Sabre chaetae. K. Branchia. L. Posterior-most chaetigers and pygidium.
FIGURE 33 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 33. SEM of Prionospio quadrilamellata sp. nov. A. Anterior end, dorsal view. B. Whole fragment, dorsal view. C. Close-up of anterior end. D. Mid-body chaetigers, dorsolateral view. Abbreviations: dc, dorsal crest; hh, hooded hook; nola, notopodial lamella; pe, peristomium; pr, prostomium; sa, sabre chaetae.
FIGURE 32 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 32. Prionospio quadrilamellata sp. nov., showing characteristic color in ethanol (MNRJP-2772, holotype). Abbreviations: br, branchiae; pe, peristomium; pr, prostomium.
FIGURE 27 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 27. SEM of Prionospio alexandrae sp. nov. A. Anterior end and mid-body chaetigers, dorsal view. B. Anterior end, dorsal view. C. Anterior end, dorsolateral view. D. Close-up of anterior end, dorsal view. E. Anterior end and mid-body chaetigers, lateral view. F. Palp, lateral view. Abbreviations: br, branchiae; nola, notopodial lamella; pa, palp; pe, peristomium; pp, palp papillae; pr, prostomium.
FIGURE 18 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 18. SEM of Prionospio cinthyae sp. nov. A. Anterior end and mid-body chaetigers. B. Whole animal, dorsal view. C. Anterior end and mid-body chaetigers. D. Close-up of the anterior end. E. Hooks (hoods removed). F. Neuropodial chaetae. Abbreviations: Abbreviations: br, branchia; dc, dorsal crest; sa, sabre chaetae.
FIGURE 26 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 26. Prionospio alexandrae sp. nov., showing characteristic color in ethanol (MNRJP-2768, holotype). Abbreviations: br, branchiae; pe, peristomium; pr, prostomium.
FIGURE 29 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 29. Prionospio biancoi sp. nov., showing characteristic color in ethanol (MNRJP-2771, paratype). Abbreviations: br, branchiae; pe, peristomium; pr, prostomium.
FIGURE 24 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 24. SEM of Prionospio cf. delta. A–B. Anterior end, dorsal view. C. Anterior end and mid-body chaetigers, ventro-lateral view. D. Hooks (hoods removed). Abbreviations: br, branchia; pa, palp; pe, peristomium; pp, prostomial peak; pr, prostomium.
FIGURE 17 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 17. Prionospio cinthyae sp. nov., showing characteristic color in ethanol (MNRJP-2763, paratype). A. Dorsal view. B. Lateral view. Abbreviations: br, branchia; nol, notopodial lamellae; pe, peristomium; pr, prostomium.
FIGURE 14 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 14. Prionospio mutata sp. nov., dorsal view (MNRJP-2759, paratype), showing characteristic color in ethanol. Abbreviations: br, branchia; pe, peristomium; pr, prostomium.
FIGURE 10 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 10. Prionospio kinbergi sp. nov. A. Chaetiger 1. B. Chaetiger 2. C. Chaetiger 3. D. Chaetiger 4. E. Anterior capillary chaeta from anterior row. F. Anterior capillary chaeta from posterior row. G. Posterior capillary chaetae. H. Companion capillary chaetae. I. Hooded hook. J. Sabre chaetae. K. Flattened branchiae. L. Cirriform branchiae. M. Posterior-most chaetigers and pygidium.
FIGURE 7 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 7. Prionospio fosterae sp. nov. A. Chaetiger 1. B. Chaetiger 2. C. Chaetiger 3. D. Chaetiger 4. E. Anterior capillary chaeta from anterior row. F. Anterior capillary chaeta from posterior row. G. Posterior capillary chaetae. H. Companion capillary chaetae. I. Hooded hook. J. Branchia. K. Pygidium.
FIGURE 31 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 31. Prionospio biancoi sp. nov. A. Chaetiger 1. B. Chaetiger 2. C. Chaetiger 3. D. Chaetiger 4. E. Notochaetae from anterior region. F. Notochaetae from anterior region. G. Posterior capillary chaetae. H. Companion capillary chaetae. I. Hooded hook (as seen in light microscopy). J. Sabre chaetae. K. Branchiae.
FIGURE 28 in New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
FIGURE 28. Prionospio alexandrae sp. nov. A. Chaetiger 1. B. Chaetiger 2. C. Chaetiger 3. D. Chaetiger 4. E. Notochaetae from anterior region. F. Neurochaetae from anterior region. G. Row of long neurochaetae from chaetigers 2–4. H. Posterior capillary chaetae. I. Companion capillary chaetae. J. Hooded hook. K. Branchia from chaetiger 2. L. Branchia from chaetiger 3. M. Posterior-most chaetigers and pygidium.
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