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22 results for “Umagillidae”
Fig. 4. Syndesmis aonikenki n in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 4. Syndesmis aonikenki n. sp. A, B, whole mount preparations. C, sagittal section of the body. Abbreviations: ed, ejaculatory duct; eg, egg; f, filament; fg, filament glands; i, intestine; ma, male atrium; ov, ovary; sr, seminal receptacle; st, stylet; u, uterus; va, vagina; vit, vitellaria.
Fig. 3 in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 3. Schematic reconstruction of Syndesmis aonikenki n. sp. in dorso-ventral view. Abbreviations: eg, egg; f, filament; fg, filament glands; ov, ovary; st, stylet; t, testes; vit, vitellaria.
Fig. 1 in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 1. Schematic reconstruction of Syndesmis selknami n. sp. in dorso-ventral view. Abbreviations: eg, egg; f, filament; fg, filament glands; ov, ovary; st, stylet; t, testes; vit, vitellaria.
Fig. 2. Syndesmis selknami n in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 2. Syndesmis selknami n. sp. A, D, whole mount preparations. B, C, E, F, sagittal sections of the body. Abbreviations: b, brain; ed, ejaculatory duct; eg, egg; f, filament; fg, filament glands; i, intestine; ov, ovary; sp, sensory pit; sr, seminal receptacle; t, testes; u, uterus; vc, vacuolar cells; vit, vitellaria. The white arrow heads marks the proximal part of the stylet and black arrow heads mark the distal part.
Fig. 8. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 8. Syndesmis kurakaikina n. sp., sagittal section through posterior body end, at genital pore. Scale bar: 50 μm. B: bursa, EF: egg filament, FA: female atrium, FG: filament glands, CGA: common genital atrium, Gp: gonopore, MA: male atrium, St: stylet, U: uterus, V: vagina.
Fig. 4. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 4. Syndesmis kurakaikina n. sp., ciliated invagination at the anterior end in sagittal section. Scale bar: 50 μm. Br: brain.
Fig. 2 in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 2. Schematic overview of the female reproductive system in Syndesmis. B: bursa, CGA: common genital atrium, EC: egg capsule, FA: female atrium, ID: insemination duct, MA: (entrance to) male atrium, Ov: ovary, Ph: pharynx, St: stylet, SR: seminal receptacle, U: uterus, V: vagina, Vit: vitellaria.
Fig. 12. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 12. Syndesmis kurakaikina n. sp. A. Mature specimen. B. Posterior end of live mature specimen in the process of laying an egg capsule. C. Entire egg capsule, showing the bulb containing two embryos and the long filament. D. Opened, empty egg capsule post-hatching after two weeks incubation at 21.5 ̊C. E-G. Photomicrographs showing the development from eggs (after one week incubation, E), through zygote (after two weeks incubation, F) to fully developed embryo (after four weeks incubation, G) in an egg capsule from the 14.5 ̊C treatment. H–I. Nonviable (H) and deformed (I) egg capsules from the 25 ̊C treatment. E: egg, EC: egg capsule, EF: egg filament, Em: embryo, Gp: gonopore, Ph: pharynx, Vit: vitellaria, Z: zygote. Scale bars: A = 1 mm, B–C = 100 μm, D-I = 50 μm.
Fig. 10 in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 10. Reconstruction of the male reproductive system from a sagittally sectioned specimen of Syndesmis kurakaikina n. sp. Intestine and female reproductive system omitted. Stylet not drawn in its entirety. Scale bar: 200 μm. CGA: common genital atrium, ED: ejaculatory duct, Gp: gonopore, MA: male atrium, T: testis, SD: sperm duct, St: stylet, SV: seminal vesicle.
Fig. 6. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 6. Syndesmis kurakaikina n. sp., reconstruction of the female reproductive system from a sagittally sectioned specimen. Male reproductive system omitted. Scale bar: 100 μm. B: bursa, BC: bursal canal (simplified), BV: bursal valve, CGA: common genital atrium, DC: ductus communis, EC: egg capsule, IC: insemination canal, In: intestine, FA: female atrium, FG: filament glands, Gp: gonopore, MA: (entrance to) male atrium, Ov: ovary, SRa: anterior part of seminal receptacle, SRp: posterior part of seminal receptacle, U: uterus, Vit: vitellaria.
Fig. 3. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 3. Syndesmis kurakaikina n. sp., holotype specimen whole-mounted in lactophenol. Differential-interference contrast. Scale bar: 250 μm. B: bursa, EC: egg capsule, FG: filament glands, In: intestine, Ov: ovaria, Ph: pharynx, St: stylet, SR: seminal receptacle, Vit: vitellaria.
FIGURE 2. Syndesmis patagonica, new species. A in Syndesmis patagonica n. sp. (Rhabdocoela: Umagillidae) from the sea urchin Arbacia dufresnii (Echinodermata: Echinoidea) in Patagonia, Argentina
FIGURE 2. Syndesmis patagonica, new species. A. Entire worm, dorso-ventral view. B. Sagittal reconstruction.
FIGURE 3 in Syndesmis patagonica n. sp. (Rhabdocoela: Umagillidae) from the sea urchin Arbacia dufresnii (Echinodermata: Echinoidea) in Patagonia, Argentina
FIGURE 3. Geographical distribution of species of Syndesmis. 1. Syndesmis echinorum. 2. S. franciscana. 3. S. antillarum. 4. S. dendrastrorum. 5. S. atriovillosa. 6. S. punicea. 7. S. pallida. 8. S. glandulosa. 9. S. evelinae. 10. S. compacta. 11. S. mammilata. 12. S. philippinensis. 13. S. alcalai. 14. S. aethopharynx. 15. S. albida. 16. S. rubida. 17. S. collongistyla. 18. S. obhoriensis. 19. S. inconspicua. 20. S. neglecta. 21. S. longicanalis. 22. S. cannoni. 23. S. echiniacuti. 24. S. patagonica n. sp.
FIGURE 1 in Syndesmis patagonica n. sp. (Rhabdocoela: Umagillidae) from the sea urchin Arbacia dufresnii (Echinodermata: Echinoidea) in Patagonia, Argentina
FIGURE 1. Digital photographs of Syndesmis patagonica, new species. A. Entire worm, holotype; B. Detail of the penis stylet, holotype; C. Detail of the penis stylet in sagittal section, paratype. D. Detail of the anterior part of the seminal receptacle, holotype; E. Detail of the seminal receptacle in cross section, paratype.
FIGURE 1 in Collastoma esotericum (Neodalyellida: Umagillidae), a new species of sipunculan-inhabiting rhabdocoel from Queensland, Australia
FIGURE 1. Bayesian majority-rule consensus tree depicting phylogenetic relationships of the Neodalyellida based on analyses of 18S rDNA sequence data. Bayesian inference (BI) posterior probabilities (pp) are shown above the node (circles) and maximum likelihood (ML) bootstrap support (bs) is shown below (squares). Support values below threshold (pp <.95; bs <70) not shown. An asterisk (*) indicates topology not recovered in the maximum likelihood tree.
FIGURE 2. Collastoma esotericum n in Collastoma esotericum (Neodalyellida: Umagillidae), a new species of sipunculan-inhabiting rhabdocoel from Queensland, Australia
FIGURE 2. Collastoma esotericum n. sp. A) Holotype. B) Holotype, genital complex. Abbreviations: cg, cement glands; dc, ductus communis; eg, egg-capsule; fi, filament; ga, genital atrium; gp, genital pore; in, intestine; mo, mouth; oe, oesophagus; ov, ovary; ph, pharynx; sb, seminal bursa; sd, sperm duct; sg, shell gland; sv, seminal vesicle; te, testis; ut, uterus; vg, vagina; vi, vitellarium. Scale bars: A) 500 µm; B) 200 µm.
Fig. 11 in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 11. Stylet of Syndesmis kurakaikina n. sp. A. Projection of 36 interferencecontrast photographs at different focal depths. B. Camera-lucida drawing of this stylet. Scale bar: 50 μm.
Fig. 5. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 5. Syndesmis kurakaikina n. sp. A. Sagittal section through pharynx and intestine. B. Camera-lucida drawing of the pharynx and associated glands. Scale bars: A = 100 μm, B = 50 μm. CM: circular muscles, FP: food particles, GS: granular secretion, In: intestine, LD: lipid droplets, LM: longitudinal muscles, N: nucleus, Oe: oesophagus, PhG: pharyngeal glands, PhL: pharyngeal lumen, RM: radial muscles, S: septum.
Fig. 7. Syndesmis kurakaikina n in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 7. Syndesmis kurakaikina n. sp., sagittal section through parts of the female reproductive system. Scale bar: 50 μm. B: bursa, DC: (entrance to) ductus communis, In: intestine, Ov: ovary, SRa: anterior part of seminal receptacle, SRp: posterior part of seminal receptacle, Vit: vitellaria.
Fig. 9 in Description and ecophysiology of a new species of Syndesmis Silliman, 1881 (Rhabdocoela: Umagillidae) from the sea urchin Evechinus chloroticus (Valenciennes, 1846) Mortensen, 1943 in New Zealand
Fig. 9. Egg capsules of Syndesmis kurakaikina n. sp. A. Entire capsule bulb overlaid by part of the long filament. B. An egg capsule bulb in its entirety. C. Surface of capsule. D. Anterior and E. posterior parts of the egg filament. F. Anterior side of an egg capsule with hatching sutures just prior to opening. G. Broken capsule shell. Scale bars: A-B = 50 μm, C = 10 μm, D-E = 5 μm, F = 20 μm.
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International Brain Laboratory public data
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OpenNeuro
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