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100 results for “Acotylea”
Figure 1 in Suborders Acotylea and Cotylea (Polycladida): Study on morphological, ecological and reproductive features of some representative species from Tunisian coasts (Mediterranean)
Figure 1. Anterior dorsal region in A: Echinoplana celerrima. See the tentacular (te) and cerebral eyes (ce) forming two paramedian bands, scale bar: 0.5 mm. B: Letoplana mediterranea. See clusters of tentacular (te) and cerebral eyes (ce), scale bar: 0.5 mm. C: Discocelis tigrina. Note the presence of cerebral and tentacular eyes clusters, scale bar: 0.5 mm. D: Imogine mediterranea. Note the presence of two everted nuchal tentacles (arrows), scale bar: 0.5 mm. E: Yungia aurantiaca. See the two marginal tentacles (arrows) and cerebral eyes spots (arrowhead), scale bar: 1 mm. F: Thysanozoon brocchii. Dorsal faces provided with papillae and developed marginal tentacles (arrows), scale bar: 1 mm. G: Prostheceraeus moseleyi. Note the presence of marginal tentacles (arrows) and yellow marginal line, scale bar: mm. H: Prosthiostomum siphunculus. The cerebral eyes (ce) are not included in the semi circle formed by marginal eyes (me), scale bar: 1 mm.
Figure 6 in Two new marine species from South Korea with remarks on the family Stylochidae (Acotylea, Polycladida, Plathelminthes)
Figure 6. Munseoma maculata gen. et sp. nov. (A) Dorsal view of fixed specimen; (B) sagittal reconstruction of whole organism; (C) sagittal reconstruction of male and female genital system. Scale bars: 8 mm (A); 5 mm (B); 6 mm (C).
Figure 5 in Two new marine species from South Korea with remarks on the family Stylochidae (Acotylea, Polycladida, Plathelminthes)
Figure 5. Photomicrographs of the prostatic vesicle of Cryptostylochus koreensis sp. nov. (A) Medio-sagittal section; (B) peripheral section. Scale bars: 70 mm.
Figure 4 in Two new marine species from South Korea with remarks on the family Stylochidae (Acotylea, Polycladida, Plathelminthes)
Figure 4. Cryptostylochus koreensis sp. nov. (A) Dorsal view of fixed specimen; (B) sagittal reconstruction of whole organism; (C) sagittal reconstruction of male and female apparatus. Scale bars: 20 mm (A); 8 mm (B); 4 mm (C).
Figure 2 in Two new marine species from South Korea with remarks on the family Stylochidae (Acotylea, Polycladida, Plathelminthes)
Figure 2. Diagrammatic reconstruction of prostatic vesicles of Stylochidae. (A) Cryptostylochus coseirensis (Bock) after Meyer, 1921; (B) Imogine nebulosa (Girard); (C) Imogine oculifera Girard; (D) Stylochus alexandrinus Steinböck; (E) Stylochus frontalis Verrill; (F) Stylochus ellipticus (Verrill).
Figure 1 in Two new marine species from South Korea with remarks on the family Stylochidae (Acotylea, Polycladida, Plathelminthes)
Figure 1. Diagrammatic reconstruction of types of prostatic vesicles of Stylochidae. (A) Monoglandular type; (B) polyglandular type.
Figure 3 in Two new marine species from South Korea with remarks on the family Stylochidae (Acotylea, Polycladida, Plathelminthes)
Figure 3. Diagrammatic reconstruction of prostatic vesicles of Stylochidae. Monoglandular types: (A–C) Cryptostylochus koreensis sp. nov.: (A) medio-sagittal section through the prostatic vesicle, (B) peripheral section through the prostatic vesicle, (C) diagrammatic reconstruction of the prostatic vesicle; (D) Cryptostylochus hullensis Faubel and Gollasch. Polyglandular types: (E) Stylochus neapolitanus (Delle Chiaje); (F) Distylochus pusillus Bock. Scale bars: 70 mm.
FIGURE 1. Eutheama forrestensis n in Eutheama forrestensis n. sp. (Acotylea, Polycladida, Plathelminthes) from Australia
FIGURE 1. Eutheama forrestensis n. sp. A, Dorsal view in squash preparation. B, Dorsal view of the male copulatory system. b, brain; ca, common atrium; cg, cement glands; cvd, common vas deferens; e, eye; fsv, false seminal vesicle; i, intestine; o, oocyte; ov, ovary; pap, papillae; pb, penis bulb; ph, pharynx; po, prostatic organ; sv, seminal vesicle; t, testes.
FIGURE 2. Eutheama forrestensis n in Eutheama forrestensis n. sp. (Acotylea, Polycladida, Plathelminthes) from Australia
FIGURE 2. Eutheama forrestensis n. sp. Sagittal view of the male and female reproductive organs. bmw, body muscular wall; ca, common atrium; cg, cement glands; cgp, common gonopore; fsv, false seminal vesicle; o, oocyte; pb, penis bulb; po, prostatic organ; ps, penis sheath; rh, rhabdites; sv, seminal vesicle; u, uterus; v, vagina.
FIGURE 5. Notocomplana palta. A in Polycladida Acotylea from Patagonia. Redescription of Crassiplana albatrossi (Pseudostylochidae), lectotype designation and first record of Notocomplana palta (Notoplanidae)
FIGURE 5. Notocomplana palta. A, dorsal view of adult specimen. B, live specimens on the stone. Sagittal secctions. C, general view of adult specimen. D, detail of the female organs. E, detail of the male organs. F, detail of the ovary and the first portion of the oviduct. G, Lang`s vesicle, detail of the sphincter and spermatozoids in the vesicle. H, penis papilla and the prostatic vesicle with the linning epithelium ridge. I, prostatic vesicle with the chambers.
FIGURE 3. Crassiplana albatrossi. Live specimen. A in Polycladida Acotylea from Patagonia. Redescription of Crassiplana albatrossi (Pseudostylochidae), lectotype designation and first record of Notocomplana palta (Notoplanidae)
FIGURE 3. Crassiplana albatrossi. Live specimen. A, ventral view with details of the reproductive organs. B, dorsal view showing tentacles and tentacular, cerebral and marginal eyes. Sagittal sections. C, general view of the female organs with the anterior vagina and gonopores. D, detail of the loop of the vagina and bifurcation of the common oviduct and genito-intestinal duct. E, detail of the begining of the oviduct from the common oviduct. F, detail of the genito-intestinal duct emptying into the intestine. G, detail of the prostatic vesicle. H–K, detail of the holotype. K, whole mount of the anterior portion with tentacular and cerebral eyes (white arrows tip) and marginal eyes (black arrows tip).
FIGURE 1 in Polycladida Acotylea from Patagonia. Redescription of Crassiplana albatrossi (Pseudostylochidae), lectotype designation and first record of Notocomplana palta (Notoplanidae)
FIGURE 1. Localities where the polyclads were found. Crassiplana albatrossi (squares) and Notocomplana palta (asterisks). A, general view with the type localities and the new localities. B, details of the localities in Peninsula Valdes and neigbour zones. The numbers of the localities correspond to table 1.
FIGURE 5 in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral
FIGURE 5. Stylochus neapolitanus (Delle Chiaje, 1841–1844) Lang, 1884. A–C, living specimens; D, sagittal reconstruction of a whole specimen; E, sagittal reconstruction of the reproductive system (anterior to the right). Abbreviations: b, brain; cg, cement glands: de; ductus ejaculatorius; fp, female pore; i, intestine; ma, male atrium; mp, male pore: op, oral pore; ov, ovaries; pg, prostatic glands; ph, pharynx; pv, prostatic vesicle; spv, spermiducal vesicle; sv, seminal vesicle: t, tentacles; te, tentacular eyes; u, uterus; ve, vagina externa; vi, vagina interna.
FIGURE 6 in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral
FIGURE 6. Discocelis tigrina (Blanchard, 1847) Lang 1884. A–D, living specimens; E, sagittal reconstruction of a whole specimen; F, sagittal reconstruction of the reproductive system (anterior to the right). Abbreviations: ca, common atrium; cgo, common genital opening; i, intestine; Lv, Lang's vesicle; m, muscle layers; ml, male lobes; ofgs, opening of the female genital system; op, oral pore; ph, pharynx; po, prostatoid organs; spv, spermiducal vesicle; te, tentacular eyes.
FIGURE 4. Cryptocelis compacta Lang, 1884. A, B, E, F in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral
FIGURE 4. Cryptocelis compacta Lang, 1884. A, B, E, F living specimens; C, sagittal reconstruction of a whole specimen; D, sagittal reconstruction of the reproductive system (anterior to the right). Abbreviations; cg, cement glands; dpv, distal part of the prostatic vesicle; fa, female atrium; fp, female pore; fvs, false seminal vesicle; i, intestine; mc, male copulatory organ; mp, male pore: op, oral pore; ov, ovaries; ph, pharynx; pp, penis papilla; ppv, proximal part of the prostatic vesicle; shg, shell glands; spv, spermiducal vesicle; vd, vas deferens; ve, vagina externa; vi, vagina interna.
FIGURE 2. Hoploplana elisabelloi n in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral
FIGURE 2. Hoploplana elisabelloi n. sp. A–C, living specimens; D, histological section of a tentacle and tentacular eyes; E, histological section of the brain; F, histological section of the reproductive system (anterior to the left); G, sagittal reconstruction of a whole specimen; H, histological section of the cirrus; I, histological section of the stylet; J, sagittal reconstruction of the reproductive system. Abbreviations: b, brain; ce, cerebral eyes; cg, cement glands; ed, ejaculatory duct; esv, external seminal vesicle; fa, female atrium; fp, female pore; i, intestine; ma, male atrium; mp, male pore; op, oral pore; ov, ovaries; ovd, oviducts; ph, pharynx; pv, prostatic vesicle; sc, shell camera; spdb, spermiducal bulbs; st, stylet; t, tentacles; te, tentacular eyes; ve, vagina externa; vi, vagina interna.
FIGURE 1. Studied Acotylea species distribution. A in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral
FIGURE 1. Studied Acotylea species distribution. A, Acotylea distribution in Europe; B, Acotylea distribution in the Iberian Peninsula; C, Acotylea distribution in Galicia, Spain; D, Cryptocelis compacta (green dots); E, Hoploplana elisabelloi n. sp. (orange dots); F, Discocelis tigrina (purple dots); G, Armatoplana celta n. sp. (grey dots); H, Stylochus neapolitanus (blue dots).
FIGURE 3. Armatoplana celta n in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral
FIGURE 3. Armatoplana celta n. sp. A, living specimen; B, dorsal view of a fixed specimen C–D, dorsal view of the tentacular and cerebral eyes; E, sagittal reconstruction of a whole specimen; F, histological section of the reproductive system (anterior to the right); G, histological section of the tentacular eyes; H, histological section of the male copulatory organ; I, sagittal reconstruction of the reproductive system. Abbreviations: b, brain; cg, cement glands; ed, ejaculatory duct; fp, female pore; i, intestine; mly, muscle layers; mp, male pore; Lv, Lang's vesicle; op, oral pore; ovd, oviducts; ph, pharynx; pv, prostatic vesicle; spdb, spermiducal bulb; st, stylet; ve, vagina externa; vi, vagina interna.
FIGURE 12 in Description of two new Discocelis species (Polycladida: Acotylea: Discocelidae) from the Persian Gulf with a review of the genus
FIGURE 12. Schematic reconstruction of the male atrium from different Discocelis species, adopted from Beveridge (2000). (A) D. tigrina (Blanchard, 1847) Lang, 1884; (B) D. japonica Yeri and Kaburaki,1918; (C) D. pusilla Kato,1938; (D) D. fulva Kato, 1944; (E) Discocelis sp. Beveridge, 2000; (F) D. parvimaculata Beveridge, 2000; (G) D. australis, Hyman, 1959.
FIGURE 11 in Description of two new Discocelis species (Polycladida: Acotylea: Discocelidae) from the Persian Gulf with a review of the genus
FIGURE 11. Representation of the reproductive systems of Discocelis hollemani sp. nov. (ZUTC Platy.1249). (A–C) Male atrium structures; (D) Part of the female reproductive system. Abbreviations: ac, anterior canal; cfa, ciliated female atrium; cg, cement glands; cgo, common gonopore; ml, middle lobe; ov, oviduct; p, penis; pc, posterior canal; v, vagina; vd, vas deferens.
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