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1,925 results for “Platyhelminthes”
FIGURES 18–23 in Two new species of land flatworms and comments on the genus Pasipha Ogren & Kawakatsu, 1990 (Platyhelminthes: Continenticola)
FIGURES 18–23. Pasipha brevilineata Leal-Zanchet, Rossi & Alvarenga, sp. nov., holotype: (18) anterior region of the body in transverse section; (19) pre-pharyngeal region in transverse section; (20) detail of the body margin in the pre-pharyngeal region in transverse section; (21) detail of the dorsal surface of the pre-pharyngeal region in transverse section; (22) pharynx in sagittal section; (23) ovary in sagittal section. (b) brain, (de) dorsal epidermis, (di) dorsal insertion, (dm) dorsal cutaneous musculature, (es) esophagus, (gm) glandular margin, (i) intestine, (im) internal musculature, (lu) pharyngeal lumen, (m) mouth, (mm) mesenchymal muscles, (n) nerve plate, (o) ovary, (ov) ovovitelline duct, (om) outer musculature, (pp) pharyngeal pouch, (pv) prostatic vesicle, (sc) secretory cells, (sv) spermiducal vesicle, (sp) sensory pit, (t) testes, (v) vitellaria, (ve) ventral epidermis, (vm) ventral cutaneous musculature, (vi) ventral insertion.
FIGURE 14 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 14. Color variation in Enchiridium evelinae. A. MNRJ-PLAT 51; B. MNRJ-PLAT 55; C. MNRJ-PLAT 51; D. MNRJ-PLAT 48; E. MNRJ-PLAT 57; F. MNRJ-PLAT 53; G. MNRJ-PLAT 59; H. MNRJ-PLAT 54.
FIGURE 17 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 17. Cycloporus variegatus (MNRJ-PLAT 69). A. in vivo; B. dorsal view; C. ventral view; D. detail from the anterior region; E. MNRJ-PLAT 68 in vivo; F. MNRJ-PLAT 71; G. detail from the anterior region of the body (MNRJ-PLAT 71); H. sagittal section of male and female reproductive structures (MNRJ-PLAT 69); I. dorsal view; J. sagittal section of female reproductive structures (MNRJ-PLAT 68); K. sagittal section of male reproductive structures (MNRJ-PLAT 68); L. dorsal view (MNRJ-PLAT 70). br: brain; ce: cerebral eyespots; cg: cement glands; cp: cement pouch; fg: female gonopore; ma: male atrium; mg: male gonopore; pe: penis; pg: peripheral glands; ph: pharynx; pv: prostatic vesicles; su: sucker; sv: seminal vesicle; te: tentacular eyespots; tc: tentacles; va: vagina; ut: uterus; uv: uterine vesicles.
FIGURE 13 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 13. Enchiridium evelinae (MNRJ-PLAT 49) A. in vivo; B. ventral view; C. sagital section of male reproductive structures; D. sagittal section of male and female structures. cg: cement glands; cp: cement pouch; fg: female gonopore; it: main intestine; ma: male atrium; mg: male gonopore; mo: mouth; pe: penis; ph: pharynx; pv: prostatic vesicle; st: stylet; su: sucker; sv: seminal vesicle; ut: uterus; va: vagina.
FIGURE 8 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 8. Pseudoceros juani sp. nov. (MNRJ-PLAT 40) A. in vivo; B. P. juani ventral view; C. detail of the anterior region; D. sagital section of female reproductive structures; E. sagittal section of the male reproductive structures, showing prostatic vesicle; F. sagittal section of male reproductive structures; G. Pseudoceros juani in situ. Photo: L.F. Cassino. ce: cerebral eyespots; cg: cement glands; cp: cement pouch; du: uterine duct; fa: female atrium; fg: female gonopore; it: main intestine; ma: male atrium; mg: male gonopore; pe: pseudotentacular eyespots; ph: pharynx; pv: prostatic vesicle; pt: pseudotentacle; ra: rhabdites; sd: seminal duct; st: stylet; su: sucker; sv: seminal vesicle; va: vagina; vs: vas deferens.
FIGURE 6 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 6. Pseudoceros rawlinsonae (MNRJ-PLAT 01). A. in vivo; B. ventral view; C. detail of ventral view; D. detail from the anterior region, showing cerebral eyespots; E. detail from the anterior region showing tentacular eyespots; F. detail from the anterior ventral region; G. sagital section of the specimen body; H. sagittal section of male reproductive structures; I. sagittal section of female reproductive structures. ce: cerebral eyespots; cg: cement glands; cp: cement pouch; ep: epidermis; fg: female gonopore; it: main intestine; ma: male atrium; mg: male gonopore; ml: muscular layer; ph: pharynx; pt: pseudotentacles; pv: prostatic vesicle; ra: rhabdites; st: stylet; su: sucker; sv: seminal vesicle; te: tentacular eyespots; ut: uteri; va: vagina; vd: vas deferens.
FIGURE 10 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 10. Pseudobiceros pardalis (MNRJ-PLAT 34). A. in vivo dorsal view; B. MNRJ-PLAT 33, ventral view; C. detail from the anterior region showing tentacular eyespots; D. detail from the anterior region showing cerebral eyespots and pseudotentacles; E. detail from the ventral region showing gonopores and sucker; F. sagittal section of male reproductive structures; G. sagital section of female reproductive structures. ce: cerebral eyespots; cg: cement glands; fg: female gonopore; it: main intestine; ma: male atrium; mg: male gonopores; pa: penis papilla; ph: pharynx; pp: papillae; pt: pseudotentacles; su: sucker; te: tentacles eyespots; va: vagina.
FIGURE 5 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 5. Pseudoceros bicolor (MNRJ-PLAT 36). A. in vivo, dorsal view; B. MNRJ-PLAT 35 in vivo, dorsal view; C. detail of the anterior region showing eyespots and pseudotentacles; D. detail of the anterior ventral region; E. sagittal section of male system. ce: cerebral eyespots; fg: female gonopore; ib: internal band; it: main intestine; ma: male atrium; mg: male gonopore; mr: margin; ph: pharynx; te: tentacular eyespots; pe: penis; pt: pseudotentacles; su: sucker.
FIGURE 3 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 3. Phrikoceros mopsus (MNRJ-PLAT 32). A. in vivo; B. ventral view; C. detail from the anterior region showing pseudotentacles, cerebral and tentacular eyespots; D. detail from the pseudotentacles showing pseudotentacular eyespots; E. sagittal section of male and female reproductive structures (MNRJ-PLAT 31). ce: cerebral eyespots; cg: cement glands; fg: female gonopore; it: main intestine; ma: male atrium; mg: male gonopore; pa: penis papilla; ph: pharynx; pt: pseudotentacles; pv: prostatic vesicle; st: stylet; su: sucker; sv: seminal vesicle; te: tentacular eyespots; ut: uterus; va: vagina; vd: vas deferens.
FIGURE 2 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 2. Pericelis cata (MNRJ-PLAT 24). A. in vivo dorsal view; B. sagittal section of male reproductive structures; C. P. cata and Felimare lajensis; D. sagittal section of female reproductive structures. cg: cement glands; cv: sperm containing vesicle; ma: male atrium; nu: nudibranch; pa: penis papilla; pl: polyclad; pt: pseudotentacles; sf: sphincter; sv: seminal vesicle; va: vagina.
FIGURE 9 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 9. Pseudobiceros evelinae (MNRJ-PLAT 22) A. in vivo, dorsal view; B. ventral view; C. detail from the anterior region showing pseudotentacles and eyespots; D. detail from the anterior ventral region; E. detail from the ventral region showing pharynx, gonopores and sucker; F. sagittal section of male reproductive structures; G. sagital section of female reproductive structures; H. Pseudobiceros evelinae over Symplegma rubra; I. P. evelinae next to ascidians. as: ascidians; ce: cerebral eyespots; cg: cement glands; fg: female gonopore; it: main intestine; ma: male atrium; mg: male gonopore; pa: penis papilla; ph: pharynx; pt: pseudotentacles; pv: prostatic vesicle; st: stylet; su: sucker; sv: seminal vesicle; te: tentacular eyespots; ut: uterus; va: vagina.
FIGURE 1 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 1. Map of the studied area. A. Canal de Itajuru; B. Praia das Conchas; C. Ilha do Papagaio. Map draw by Rafael Moura.
FIGURE 7 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 7. Color variation in Pseudoceros rawlinsonae. A. MNRJ-PLAT 39; B. MNRJ-PLAT 37; C. MNRJ-PLAT 38; D. MNRJ-PLAT 01; E. MNRJ-PLAT 04.
FIGURE 4 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 4. Color variation in Phrikoceros mopsus. A. MNRJ-PLAT 32; B. MNRJ-PLAT 27; C. MNRJ-PLAT 28; D. MNRJ- PLAT 31; E. MNRJ-PLAT 30; F. MNRJ-PLAT 25; G. MNRJ-PLAT 29; H. MNRJ-PLAT 28 in situ.
FIGURE 15 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 15. Lurymare utarum (MNRJ-PLAT 62). A. in vivo; B. detail from the anterior region of the body; C. detail from the ventral region; D. sagittal section of male reproductive structures; E. sagittal section of female reproductive structures. ce: cerebral eyespots; cg: cement gland; cp: cement pouch; ed: ejaculatory duct; fg: female gonopore; it: main intestine; ma: male atrium; me: marginal eyespots; mg: male gonopore; ms: muscle sheath; ph: pharynx; pv: prostatic vesicle; st: stylet; su: sucker; sv: seminal vesicle; va: vagina.
FIGURE 16 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 16. Cycloporus gabriellae (MNRJ-PLAT 66). A. in vivo; B. MNRJ-PLAT 64 ventral view; C. detail from the anterior region (MNRJ-PLAT 67); D. dorsal view; E. ventral view; F. sagittal section of female reproductive structures; G. sagittal section of male reproductive structures; H. sagittal section of female reproductive structures. ce: cerebral eyespots; cg: cement gland; cp: cement pouch; fg: female gonopore; ma: male atrium; mg: male gonopore; pe: penis; ph: pharynx; tc: tentacles; te: tentacular eyespots; su: sucker; ut: uterus; va: vagina.
FIGURE 19 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 19. Eurylepta aurantiaca (MNRJ-PLAT 76). A. in vivo, dorsal view; B. ventral view; C. detail from the anterior region showing eyespots and tentacle bumps; D and E. sagittal sections of the body. ce: cerebral eyespots; ep: epidermis; gp: gonopores; it: main intestine; ml: muscular layer; ph: pharynx; su: sucker; te: tentacular eyespots; tc: tentacles.
FIGURE 12 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 12. Color pattern variation in Thysanozoon brocchii. A. MNRJ-PLAT 43; B. MNRJ-PLAT 41; C. MNRJ-PLAT 46; D. MNRJ-PLAT 44; E. MNRJ-PLAT 47; F. MNRJ-PLAT 45.
FIGURE 18. Cycloporus spp. feeding. A in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 18. Cycloporus spp. feeding. A. Cycloporus variegatus over orange ascidian; B. C. variegatus (MNRJ-PLAT 68) over ascidians, showing settling of a different species from the species previously grazed; C. C. variegatus over yellowish sponge, photo: Luiz Fernando Cassino; D. Symplegma rubra with feeding marks where a Cycloporus was collected; E. Cycloporus sp. over S. rubra; F. Cycloporus gabriellae with orange ascidian. as: ascidian; sp: sponge; fm: feeding marks; pl: polyclad; sy: Symplegma rubra.
FIGURE 11 in Taxonomy of Cotylea (Platyhelminthes: Polycladida) from Cabo Frio, southeastern Brazil, with the description of a new species
FIGURE 11. Thysanozoon brocchii (MNRJ-PLAT 46). A. in vivo; B. dorsal view, highlighting dorsal papillae; C. detail from the anterior dorsal region; D. detail from the anterior region; E. sagittal section of dorsal papillae; F. sagittal section of male reproductive structures; G. sagittal section of female reproductive structures; H. T. brocchii in situ over Didemnidae ascidians; I. tipical environment found under rocks at Praia das Conchas. as: ascidians; ce: cerebral eyespots; cg: cement glands; cp: cement pouch; dp: dorsal papillae; fa: female atrium; fg: female gonopore; la: Lamellaria; ma: male atrium; mg: male gonopore; pa: penis papilla; ph: pharynx; pt: pseudotentacle; pv: prostatic vesicle; st: stylet; sv: seminal vesicle; te: tentacular eyespots; va: vagina.
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