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21 results for “Dalyelliidae”
Figs 1–6 in A new species of Aequales, genus Gieysztoria (Rhabdocoela: Dalyelliidae) from China
Figs 1–6. Gieysztoria shiyanensis Wang & Xia, sp. nov. 1–2. Photographed in life. 3. Stylet. 4. Squashed specimens. 5–6. Whole specimen. b: bursa copulatrix; br: brain; ey: eye; fd: female duct; i: intestine; og: oesophagieal glands; ov: ovary; ph: pharynx; pv: prostate vesicle; rs: receptaculum seminalis; st: stylet; t: testis; vi: vitellaria; vd: vitelloduct; vs: vesicula seminalis; u: uterus. Scale bars: 1= 100 μm; 2, 5= 50 μm; 3, 4, 6= 20 μm.
Figs 7–9 in A new species of Aequales, genus Gieysztoria (Rhabdocoela: Dalyelliidae) from China
Figs 7–9. Gieysztoria shiyanensis Wang & Xia, sp. nov. 7. Ventral view. 8. Dorsal view. 9. Stylet. br: brain; b: bursa; cag: cement glands ("Kittdrüsen"); e: egg; i: intestine; fd: female duct; og: oesophagieal glands; ov: ovary; ph: pharynx; pv: prostate vesicle; rs: receptaculum seminalis; st: stylet; t: testis; vi: vitellaria; vs: vesicula seminalis. Scale bars: 7= 60 μm; 8= 100 μm; 9= 20 μm.
FIG. 3. — Gieysztoria reta n in A new species of Gieysztoria Ruebush & Hayes, 1939 (Platyhelminthes, Rhabdocoela, Dalyelliidae) from Argentina with comments on geographical distribution of the genus in the Neotropical region
FIG. 3. — Gieysztoria reta n. sp. CLSM images of whole-mounts labeled with rhodamine-phalloidin showing the muscle arrangement: A, B, caudal body section from dorsal to ventral plane; C-F, caudal body section viewed from the right side toward the left side to sagittal plane. Images A, B and C-F correspond to two different specimens. Numbers 1-4 indicate circular fibers of gonopore sphincter; dashed lines outline the vitellaria area. Continuous arrow indicates strong muscle fiber of bursa cavity. Dashed arrow indicates muscle fiber that associates the uterus bend with the copulatory bursa. Abbreviations: b1, copulatory bursa cavity 1; b2, copulatory bursa cavity 2; c, cilia; cb, copulatory bursa; cga, common genital atrium; cm, circular muscle fibers of the body wall; cma, circular muscle fibers of common genital atrium; cmb1, circular muscles of the bursa cavity 1; cmb2, circular muscles of bursa cavity 2; dm, diagonal muscle fibers of the body wall; e, egg; ed, ejaculatory duct; ep, epidermis; gp, gonopore; i, intestine; ic, insertion cavity of s1 spine; ov, ovary; ph, pharynx; pv, prostate vesicle; s, septum; sv, seminal vesicle; svm, muscular wall of seminal vesicle; s4, group of dorsal hollow spines; t, testes; ub, uterus bend; vd, vasa deferentia; vi, vitellaria. Scale bars: A, B, 50 μm; C, D, E, F 40 μm.
FIG. 4 in A new species of Gieysztoria Ruebush & Hayes, 1939 (Platyhelminthes, Rhabdocoela, Dalyelliidae) from Argentina with comments on geographical distribution of the genus in the Neotropical region
FIG. 4. — Graphic reconstruction of the genital system of Gieysztoria reta n. sp.: A, genital reconstruction using confocal microscopy images; B, penis stylet from the holotype, blue (s1), pink (s2), yellow (s3) and green (s4). Abbreviations: ag, accessory glands; b1, copulatory bursa cavity 1; b2, copulatory bursa cavity 2; c, cilia; cga, common genital atrium; cma, circular muscle fibers of common genital atrium; cmb1, circular muscles of the bursa cavity 1; cmb2, circular muscles of bursa cavity 2; e, egg; ed, ejaculatory duct; f, fenestra; gp, gonopore; ma, male genital atrium; lma, longitudinal muscles fibers of common genital atrium; lmb2, longitudinal muscle of bursa cavity 2; ov, ovary; pv, prostate vesicle; sfb1, strong muscle fiber of bursa cavity 1; scm, muscle fibers of gonopore sphincter; sv, seminal vesicle; s1, largest spine; s2, large spine; s3, group of fine short spines; s4, group of hollow spines; t, testes; ub, uterus bend; vd, vasa deferentia; vi, vitellaria. Scale bars: A, 50 μm; B, 20 μm.
FIG. 1 in A new species of Gieysztoria Ruebush & Hayes, 1939 (Platyhelminthes, Rhabdocoela, Dalyelliidae) from Argentina with comments on geographical distribution of the genus in the Neotropical region
FIG. 1. — Study area: A, geographical location (● Reta locality); B, sampling site.
FIGURE 7 in A new species of Gieysztoria (Platyhelminthes; Rhabdocoela; Dalyelliidae) from a freshwater lake in Queensland, Australia
FIGURE 7. Light microscopical view of the vesicula granulorum (VG) and vesicula seminalis (VS) atop the girdle (G) of the male copulatory organ. Scale bar = 50 m.
FIGURES 36 in A new species of Gieysztoria (Platyhelminthes; Rhabdocoela; Dalyelliidae) from a freshwater lake in Queensland, Australia
FIGURES 36. Male copulatory organ of Gieysztoria queenslandica n. sp. 3, Dorsal view of squashed male organ; 4, Ventral view of squashed male organ; 5, Schematic view of dorsal side of male organ. 6, Schematic view of ventral side of male organ.
FIGURES 12. Gieysztoria queenslandica n in A new species of Gieysztoria (Platyhelminthes; Rhabdocoela; Dalyelliidae) from a freshwater lake in Queensland, Australia
FIGURES 12. Gieysztoria queenslandica n. sp. 1, Features visible in live adult specimens; 2, Schematic of reproductive system. Scale bars = 150 m. BC, bursa copulatrix; DC, ductus communis; GA, genital atrium; GC, genital canal; GP, common gonopore; EG, egg; OV, ovary; RS, receptaculum seminis; T, testis; UT, uterus; V, vitellaria; VG, vesicula granulorum; VS, vesicula seminalis.
FIGURE 8 in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 8. Castrella truncata (Abildgaard, 1789) Hofsten, 1907 (A) Stylet of a Canadian specimen. Castrella pinguis (Silliman, 1884) Fuhrmann, 1900 (B–C) Stylets from Alabama specimens.
FIGURE 6 in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 6. Gieysztoria rubra (Fuhrmann, 1894) Ruebush & Hayes, 1939 (A) Squeezed live animal, dorsal view. (B) Detail of the genital system in a live animal. (C) Stylet. Gieysztoria dodgei (Graff, 1911) Ruebush & Hayes, 1939 (D–F) Stylets.
FIGURE 7 in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 7. Microdalyellia fairchildi (Graff, 1911) Gieysztor, 1938 (A) Stylet of a specimen from Canada. (B) Stylet of a specimen from Finland. Microdalyellia rossi (Graff, 1911) Gieysztor, 1938 (C–D) Stylets from morphotype 1 animals. (E) Stylet from morphotype 2 animal. (F) Stylet from morphotype 3 animal. (G) Stylet from morphotype 4 animal. (H) Stylet from morphotype 5 animal. (I) Stylet from morphotype 6 animal. (J–K) Stylets from morphotype 7 animals.
FIGURE 4. Gieysztoria choctaw n in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 4. Gieysztoria choctaw n. sp. (A) Habitus from a substrate-attached, live animal, dorsal view. (B) Habitus from a swimming, live animal, dorsal view. (C) Habitus from a substrate-attached, live animal, lateral view. (D) Internal organisation from a live animal based on a squash preparation. (E) Stylet (holotype). (F) Reconstruction of the genital system from the right hand side.
FIGURE 3. Gieysztoria choctaw n in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 3. Gieysztoria choctaw n. sp. (A) Squash preparation of a live animal. (B) Detail of the genital system in a live animal. (C) Detail of the male copulatory organ in a live animal. (D–G) Stylets of three different specimens (paratypes).
FIGURE 2. Pseudodalyellia alabamensis n. gen. n in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 2. Pseudodalyellia alabamensis n. gen. n. sp. (A) Internal organisation from a live animal. (B) Reconstruction of the anterior body end and the pharynx from the left hand side. (C) Reconstruction of the genital system from the left hand side.
FIGURE 1. Pseudodalyellia alabamensis n. gen. n in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 1. Pseudodalyellia alabamensis n. gen. n. sp. (A–B) Squeezed live animals showing the reddish-brown to purple pigmentation, dorsal view. (C–D) Stylets (paratype). (E–F) Stylet (holotype).
FIGURE 5 in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA
FIGURE 5. Gieysztoria pavimentata (Beklemischew, 1926) Ruebush & Hayes, 1939 (A) Squeezed live animal, dorsal view. (B) Squeezed live animal, lateral view. (C) Detail of the bursa and spermatophores in a live animal. (D–F) Stylets of Alabaman specimens. (G) Stylet of the specimen from Finland.
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 4. Gieysztoria guangdongensis Wang & Xia n in Two new species of Gieysztoria (Platyhelminthes, Rhabdocoela, Dalyelliidae) from a Freshwater Artificial Lake in Shenzhen, China
FIGURE 4. Gieysztoria guangdongensis Wang & Xia n. sp. Reconstruction of the sclerotic stylet.
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