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1,925 results for “Platyhelminthes”
FIGURE 9. Maritigrella newmanae n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 9. Maritigrella newmanae n. sp. A. Dorsal view of live animal, showing coloration and color pattern. Scale bar 2.5 mm. B. Cleared whole mount of animal showing tentacles, cerebral eye cluster, pharynx and uteri. Scale bar 1 mm. C. Cleared whole mount of the anterior end showing details of tentacles, cerebral eye cluster and tentacular eyes. Scale bar 0.5 mm. ce, cerebral eyes; ph, pharynx; te, tentacular eyes, u, uteri.
FIGURE 8. Thysanozoon raphaeli n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 8. Thysanozoon raphaeli n. sp. A. Dorsal view of live animal in mangrove roots at Twin Caye, Belize. Photo credit, Raphael Ritson-Williams. B. Dorsal view of live animal found in Bocas del Toro, Panama. Photo credit, Dr. Arthur Anker. C. Dorsal view of cleared whole mount. Scale bar 1.5 mm. Inset: Higher magnification to show detail of cerebral eye cluster. Scale bar 500 µm. Sagittal histological section of one male copulatory system, showing seminal and prostatic vesicles. Scale bar 100 µm. E. Sagittal histological section of one male copulatory system, showing seminal vesicle and male atrium. Scale bar 200 µm. ma, male atrium; pv, prostatic vesicle; sv, seminal vesicle.
FIGURE 6. Pseudoceros rawlinsonae n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 6. Pseudoceros rawlinsonae n. sp. A. Sagittal histological section of the male and female copulatory systems, showing loop of ejaculatory duct, seminal vesicle, long conical, blunt, cuticular stylet, male atrium, male and female pores, vagina, and cement glands. B. Sagittal histological section of the male and female copulatory systems, showing small, rounded prostatic vesicle, male atrium, male pore, and vagina surrounded by basophilic cement glands. C. Schematic sagittal representation of the male and female reproductive systems. All scale bars 100 µm. cg, cement glands; ed, ejaculatory duct; fp, female pore; ma, male atrium; mp, male pore; s, stylet; pv, prostatic vesicle; sv, seminal vesicle; v, vagina.
FIGURE 5. Pseudoceros rawlinsonae n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 5. Pseudoceros rawlinsonae n. sp. A. Dorsal view of live animal in its natural habitat showing coloration and color pattern. Scale bar 2 mm. B. Ventral view of live animal, showing pharynx and uteri. Scale bar 2 mm. C. Cleared whole mount of the anterior end, showing pseudotentacles and cerebral eye cluster. Scale bar 0.5 mm. Inset: Higher magnification to show detail of cerebral eye cluster. Scale bar 500 µm.
FIGURE 7. Pseudoceros harrisi n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 7. Pseudoceros harrisi n. sp. A. Dorsal view of live animal, showing tentacles and cerebral eye cluster (anterior end broken). B. Sagittal histological section of male and female copulatory systems, showing seminal and prostatic vesicles, stylet, male and female atria, cement glands, and vagina. C. Diagrammatic representation of male and female reproductive systems. All scale bars 100 µm. cg, cement glands; fa, female atrium; fp, female pore; ma, male atrium; mp, male pore; s, stylet; pv, prostatic vesicle; sv, seminal vesicle; v, vagina.
FIGURE 10. Maritigrella newmanae n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 10. Maritigrella newmanae n. sp. A. Sagittal histological section of male copulatory system, showing large, oval prostatic vesicle and penis papilla. B. Sagittal histological section of male and female copulatory systems, showing large, amorphous seminal vesicle, deep vagina, cement pouch, and well-developed cement glands. C. Diagrammatic representation of male and female reproductive systems. All scale bars 100 µm. cg, cement glands; fp, female pore; p, penis papilla; pv, prostatic vesicle; sv, seminal vesicle; v, vagina; asterisks, cement pouch.
FIGURE 3. Pseudobiceros caribbensis n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 3. Pseudobiceros caribbensis n. sp. A. Dorsal view of live animal, showing coloration. Scale bar 1mm. B. Ventral view of live animal, showing pharynx, male gonopores, uteri, and patches of sperm from hypodermic insemination. Scale bar 5 mm. C. Cleared whole mount of the anterior end showing pseudotentacles and pseudotentacular eyes. Scale bar 0.5 mm. Inset: Higher magnification of cerebral eye cluster. Scale bar 300 µm. ph, pharynx; pt, pseudotentacles; sp, sperm; u, uteri; arrowheads, male gonopores.
FIGURE 1. Pseudobiceros pardalis n. comb. A in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 1. Pseudobiceros pardalis n. comb. A. Dorsal view of live animal in its natural habitat. Scale bar 5 mm. B. Ventral view of live animal showing pharynx, two male gonopores, female gonopore, uteri and sucker. Scale bar 5 mm. C. Original diagram of Verrill, 1900 of dorsal (left) and ventral view (right); ventral view clearly shows two male gonopores and pharynx, female gonopore and sucker. fp, female gonopore; ph, pharynx; su, sucker; u, uteri; arrowheads, male gonopores.
FIGURE 4. Pseudobiceros caribbensis n in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 4. Pseudobiceros caribbensis n. sp. A. Sagittal histological sections of one male copulatory system showing seminal and prostatic vesicles, stylet, and male atrium. B. Sagittal histological section of the female copulatory system showing cement glands, vagina, and female pore. C. Diagrammatic representation of one male reproductive system. All scale bars 250 µm. cg, cement glands; fp, female pore; ma, male atrium; s, stylet; pv, prostatic vesicle; sv, seminal vesicle; v, vagina.
FIGURE 2. Pseudobiceros pardalis n. comb. A in Five new species of cotylean flatworms (Platyhelminthes: Polycladida) from the wider Caribbean
FIGURE 2. Pseudobiceros pardalis n. comb. A. Sagittal section of one male copulatory system, showing seminal and prostatic vesicles. B. Sagittal section of one male copulatory system, showing prostatic vesicle, stylet, and male atrium. C. Sagittal section of female copulatory system, showing female pore, atrium, cement glands, cement pouch and vagina. D. Sagittal section through the sucker. E. Diagrammatic representation of one male copulatory apparatus. All scale bars 250 µm. cg, cement glands; fa, female atrium; fp, female pore; ma, male atrium; s, stylet; pv, prostatic vesicle; sv, seminal vesicle; v, vagina; asterisk, cement pouch.
FIGURE 3. Bhambathorhynchus abursalis n. gen. n in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 3. Bhambathorhynchus abursalis n. gen. n. sp. A. General organisation (from a live specimen completed with observations on sectioned material). B. Reconstruction of the proboscis from the left-hand side. C. Reconstruction of the pharynx from the left-hand side (B–C from a paratype). D. Hooks in male genital system (from the holotype). E. Reconstruction of the atrial organs from the left-hand side (from a paratype; proximal part of female system is moved dorsally for reasons of clarity).
FIGURE 5 in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 5. Duplacrorhynchus heyleni Artois & Schockaert, 1999. A. General organisation (from a live specimen). B. Male copulatory organ (from whole-mounted specimen). Lagenopolycystis mandelai n. sp. C. General organisation (from a live specimen). D–E. Prostate stylet type III and accessory stylet type II (both from the holotype).
FIGURE 4. Itaipusa sbui n in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 4. Itaipusa sbui n. sp. A. General organisation (from a live specimen, completed with observations on sectioned material). B. Reconstruction of the proboscis and pharynx from the right-hand side. C. Reconstruction of the atrial organs from the right-hand side (B–C from a paratype). D. Copulatory organ (from the holotype).
FIGURE 2. Prognathorhynchus spec. A in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 2. Prognathorhynchus spec. A. Habitus of free-swimming animal. B. General organisation (from a live specimen). C. Stylet. D. Proboscis hook. Uncinorhynchus linusi n. sp. E. General organisation (from a live specimen). F. Proboscis hooks. G–H. Stylet. (F–H from the holotype).
FIGURE 1. Pocillorhynchus spiroductus Schockaert, 1982. A in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 1. Pocillorhynchus spiroductus Schockaert, 1982. A. General organisation (from a live specimen). B-C. Cirrus. D. Insemination duct.
FIGURE 7. Baltoplana cupressus n in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 7. Baltoplana cupressus n. sp. A. General organisation (from a live specimen). B. Proboscis with hooks (from a whole mount). C. Accessory cirrus. D. Cirrus (C–D from a paratype). E. Reconstruction of the atrial organs from the right-hand side (from the holotype).
FIGURE 6 in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 6. Paulodora contortoides Artois & Tessens, 2008. A. Prostate stylet type I. Paulodora drepanophora Artois & Tessens, 2008. B. Prostate stylet type I. Phonorhynchoides gondwanae n. sp. C. umbrella-shaped "nozzle" D. Habitus of freeswimming animal. E. Caudal body end with the atrial organs (from a live specimen). F. Accessory stylet type IV (from the holotype). G. Prostate stylet type IV (from the holotype).
FIGURE 8 in Kalyptorhynchia (Platyhelminthes: Rhabdocoela) from KwaZulu-Natal (South Africa), with the description of six new species
FIGURE 8. Cheliplana pileola Jouk & De Vocht, 1989. A. General organisation (from a live specimen). B. Proboscis hook. C. Distal part of ejaculatory duct with cirrus and enveloping papilla. Carcharodorhynchus spec. D. Proboscis. E. Cirrus.
Fig. 1 in Molecular phylogeny of Geoplaninae (Platyhelminthes) challenges current classification: proposal of taxonomic actions
Fig. 1 Scheme of the phylogenetic relationships of the main groups of land planarians after Álvarez-Presas et al. (2008) using Sluys et al. (2009) nomenclature.
Fig. 3 in Molecular phylogeny of Geoplaninae (Platyhelminthes) challenges current classification: proposal of taxonomic actions
Fig. 3 Phylogenetic tree inferred from the concatenated data set by maximum likelihood (ML). Squares at nodes indicate the presence and/ or level of support of the node under the different parameter schemes as sketched in the legend; black indicates maximum support. Symbols over the nodes denote ≥ 95% bootstrap support obtained in the ML (bluish triangles) and maximum posterior probability values (1) in Bayesian inference analyses (orangish circles). Numbers following species names refer to the accession numbers of the specimens deposited in the section Platyhelminthes of the MZUSP (MZUSP PL). The notation p indicates the species pictured on the right side (pictures not to scale). Scale bar is given in number of substitutions per site.
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