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1,925 results for “Platyhelminthes”
FIGURE 6. Phylogram from a in A complex of Transversotrematidae (Platyhelminthes: Digenea) associated with mullid fishes of the Indo-West Pacific Region, including the descriptions of four new species of Transversotrema
FIGURE 6. Phylogram from a MP analysis of sequences from the partial 28S region (D1–D3) of all known marine transversotrematid groups from the Indo-West Pacific region. This is tree one of 27 most parsimonious trees (length = 630). The consistency index is (0.723849), the retention index is (0.796296) and the composite index is 0.629453 (0.576399) for all sites and parsimony-informative sites). The percentage of replicate trees in which the associated taxa are clustered together in the bootstrap test (1000) replicates are shown next to the branches. The Complete Deletion option resulted in a total of 809 positions in the final dataset, of which 244 were parsimony informative Note that the sequences for T. haasi, C. formosa, P. steeri and B. fusiformis were obtained from GenBank. All sequences from the T. licinum complex are from fish collected from Heron Island.
FIGURE 2 in Two new species of Gieysztoria (Platyhelminthes, Rhabdocoela, Dalyelliidae) from a Freshwater Artificial Lake in Shenzhen, China
FIGURE 2. Gieysztoria bimaculata Wang, Lu & Wu, n. sp. (A) Internal organization(lateral view) from a live animal based on permanent slides. (B) Body in whole. C. Stylets.
FIGURE 1 in Two new species of Gieysztoria (Platyhelminthes, Rhabdocoela, Dalyelliidae) from a Freshwater Artificial Lake in Shenzhen, China
FIGURE 1. Gieysztoria bimaculata Wang, Lu & Wu, n. sp. (A) Photographed in life. (B) Squeezed living animal, ventral view. (C) Permanent slide stained by H.E. method. (D) Copulatory apparatus. (E–F) Stylets.
FIGURE 3. Gieysztoria guangdongensis Wang & Xia n in Two new species of Gieysztoria (Platyhelminthes, Rhabdocoela, Dalyelliidae) from a Freshwater Artificial Lake in Shenzhen, China
FIGURE 3. Gieysztoria guangdongensis Wang & Xia n. sp. (A) Photographed in life. (B) Sclerotic stylet in whole-mounted specimen (1, 2, 3 represent different depth of microscope view). (C) Dissection of sclerotic stylet. (D) Permanent slide stained by H.E. method. (E) Detail of reproductive system stained by H. E. method. (F)Ventral view of the male copulatory organ stained by H.E. method.
FIGURE 1. Cicerina debrae n in Cicerina debrae n. sp. (Platyhelminthes: Kalyptorhynchia, Cicerinidae) from the Southern Atlantic Coast, USA
FIGURE 1. Cicerina debrae n. sp. Anterior end is to the left in Fig C and to the top in the remaining figures. A. General anatomy; arrows, adhesive belts; br, brain; cb, copulatory bulb; dsp, ductus spermaticus; ge, germarium; go, common gonopore; ph, pharynx; sv, seminal vesicle; t, testes; v, vitellaria. B. Bright-field micrograph of a specimen from a resinslide preparation, showing genital region with paired germaria, ducti spermatici with flanges where they enter the bursal tissue (bu), proximal prostatic region of copulatory bulb (pr), and distal portion of copulatory bulb with cirrus (ci) and matrix-cell nucleus (arrow). C. CLSM stack (Alexa488/phalloidin—green; Hoechst 33342—blue) of genital region, lateral view showing seminal vesicle, proximal region of copulatory bulb with invaginated internal ductus ejaculatorius (de), distal (di) region of copulatory bulb with separate muscle layer, and vagina interna (vi) ending in a sphincter (sph) at the bursal tissue. D, E. Brightfield micrographs of same specimen as B, more-dorsal and more-ventral (respectively) focal planes of the cirrus, showing arrangement of spines, and hemi-circular wreath of gland cells (gl) located at the base of the cirrus.
FIGURES 18–23 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 18–23. Cratera steffeni sp. nov.: (18) detail of prostatic vesicle of paratype MZU PL.00176 in horizontal section; (19) detail of penis papilla of the holotype in sagittal section; (20) detail of male atrium of the holotype in sagittal section; (21) detail of vagina and ovovitelline ducts in paratype MZU PL.00176 in horizontal section; (22) detail of vagina and common ovovitelline duct of the holotype in sagittal section; (23) detail of female atrium of the holotype in sagittal section. Anterior tip to the left (Figs. 19–20; 22–23) or to the bottom (Figs. 18 and 21). (cov) common glandular ovovitelline duct; (ej) ejaculatory duct; (fa) female atrium; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (sv) spermiducal vesicle; (v) vitellaria; (va) vagina.
FIGURES 1–5 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 1–5. Cratera steffeni sp. nov.: (1–2) colour pattern of a fixed specimen (paratype MZU PL.00178) in dorsal view; (3) eyes pattern of a fixed specimen (paratype MZU PL.00177) in dorsal view; (4) detail of eyes pattern in the anterior extremity of the holotype; (5) detail of the median third of the body of the holotype. Anterior tip to the left (Figs. 1–3) or to the top (Figs. 4–5). (ca) copulatory apparatus; (db) dorsal band; (e) eyes; (ph) pharynx; (ps) paramarginal stripes.
FIGURES 16–17 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 16–17. Cratera steffeni sp. nov.: (16) copulatory apparatus of the holotype in sagittal section; (17) copulatory apparatus of paratype MZU PL.00176 in horizontal section. Anterior tip to the left. The arrow indicates the approximate position of the common muscle coat. (cmc) common muscle coat; (ej) ejaculatory duct; (fa) female atrium; (go) gonopore; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (va) vagina.
FIGURES 14–15 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 14–15. Cratera steffeni sp. nov.: (14) sagittal composite reconstruction of the copulatory apparatus of the holotype; (15) diagrammatic horizontal composite reconstruction of the copulatory apparatus of paratype MZU PL.00176. Anterior tip to the left. (cmc) common muscle coat; (cov) common glandular ovovitelline duct; (ej) ejaculatory duct; (fa) female atrium; (go) gonopore; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (sv) spermiducal vesicle; (va) vagina.
FIGURES 6–13 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 6–13. Cratera steffeni sp. nov., holotype: (6) anterior region of the body in transverse section; (7) detail of the anterior region of the body in transverse section; (8) pre-pharyngeal region in transverse section; (9) detail of body margin of the pre-pharyngeal region in transverse section; (10) detail of the dorsal surface of the pre-pharyngeal region in transverse section; (11) detail of the ventral surface of the pre-pharyngeal region in transverse section; (12) pharynx in sagittal section (anterior tip to the left); (13) ovary in sagittal section (anterior tip to the left). (de) dorsal epidermis; (di) dorsal insertion; (dm) dorsal cutaneous musculature; (e) eyes; (es) esophagus; (gm) glandular margin; (i) intestine; (im) internal musculature; (lu) pharyngeal lumen; (m) mouth; (mm) mesenchymal muscles; (n) nerve cord; (o) ovary; (om) outer musculature; (ov) ovovitelline duct; (pp) pharyngeal pouch; (sc) secretory cells; (sp) sensory pit; (t) testes; (v) vitellaria; (ve) ventral epidermis; (vi) ventral insertion; (vm) ventral cutaneous musculature.
FIGURE 3. Paromalostomum dubium. A in Marine Macrostomorpha (Platyhelminthes, Rhabditophora) from the Algarve (Southern Portugal)
FIGURE 3. Paromalostomum dubium. A. Living animal at low magnification.—B. Caudal end in the living animal.—C. Hard parts in the female system.—D. Hard part of the copulatory organs.—E. Micrograph showing terminal end of accessory stylet and of the penis stylet, indicated by an asterisk. (Scales = 20 µm).
FIGURE 5. Cylindromacrostomum formosae n in Marine Macrostomorpha (Platyhelminthes, Rhabditophora) from the Algarve (Southern Portugal)
FIGURE 5. Cylindromacrostomum formosae n.sp.. A. The living animal, drawn from a micrograph.—B. Hard parts of the male copulatory system in the holotype. The asterix indicates the transparent lamella at the beginning of the straight terminal end.—C. Micrograph of the male copulatory organs in the holotype.—D. Terminal end of the penis stylet and of the accessory stylet in the holotype.— E. End part of the penis stylet in a paratype. —F-H. Hard parts in the female system in the holotype.— I-K. Hard parts in the female system in a paratype. (Scales = 20 µm).
FIGURE 6. Haplopharynx papii n in Marine Macrostomorpha (Platyhelminthes, Rhabditophora) from the Algarve (Southern Portugal)
FIGURE 6. Haplopharynx papii n. sp.: hard parts in the copulatory organ. A-C. of the holotype.— D-E. of the paratype, highly squeezed. (Scales = 20 µm).
FIGURE 6. Brunetorhynchus cannoni n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 6. Brunetorhynchus cannoni n. sp. (A) The living animal. (B, C) Drawings of stylet. (D, E) Micrographs of stylets in whole mounts. (B, D) from the holotype, (C) in an individual from Coffs Harbour. (E) in an individual from Arrawarra (scale bars = 25 µm)
FIGURE 3. Brunetorhynchus complicatus n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 3. Brunetorhynchus complicatus n. sp. (A) The living animal as drawn by M. Brunet. (B) Atrial organs in the whole mount. (C, D) Drawing and micrograph of the stylet. (E) Seminal receptacle in the whole mount. (scale bars = 25 µm)
FIGURE 1. Brunetorhynchus deconincki n. gen. n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 1. Brunetorhynchus deconincki n. gen. n. sp. (A) The living animal as drawn by M. Brunet. (B) Reconstruction of the atrial organs from sagittal sections, seen from the right. (C, D) The seminal receptacle in two individuals (from whole mounts). (E–H) The stylet: (E, G) of the holotype, (F) of another individual from the Bay of Marseille, (H) of an individual from Calvi. (I) Some atrial organs as seen in the whole mount of a third individual from the Bay of Marseille. Note the globular aspect of the female duct in this specimen and the longitudinal muscles in bundles. (scale bars = 25 µm)
FIGURE 2. Brunetorhynchus microstylis n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 2. Brunetorhynchus microstylis n. sp. (A) The living animal as drawn by M. Brunet. (B) Micrograph of a living specimen from Sardinia. (C) Posterior end of a living animal from Lanzarote. (D) The male atrial organs in the living animal. (E) Reconstruction of the atrial organs from sagittal sections, seen from the right. (F–H) The seminal receptacle of three individuals (in whole mount, H in the holotype). (I–O) The stylet: (I, M) of the holotype from Cerbère, (J) of an individual from Marseille, (K) one from Sardinia, (L) the one from Kalkgrund (N) one from Lanzarote, (O) one from Corsica (scale bars = 25 µm).
FIGURE 5. Brunetorhynchus canariensis n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 5. Brunetorhynchus canariensis n. sp. (A, B) Drawing and micrograph of the stylet of the holotype. (C) Micrograph of the stylet of an individual from Mala. (scale bars = 25 µm)
FIGURE 7. Brunetorhynchus dubius n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 7. Brunetorhynchus dubius n. sp. (A, B) Drawing and micrograph of the stylet in a living animal. Both reproduced from Artois and Schockaert (2000). (scale bar = 25 µm)
FIGURE 4. Brunetorhynchus canariensis n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
FIGURE 4. Brunetorhynchus canariensis n. sp. (A, B) The living animal. (C) Posterior end of a living animal. (D) Posterior end of another living animal, showing the long female duct and the large caudal glands. (E) Reconstruction of the atrial organs from sagittal sections, seen from the right. (F) The seminal receptacle from a whole mount. (scale bars = 25 µm)
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