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26 results for “Entoprocta”
FIGURE 2. Coriella chernyshevi n in A new species of Coriella, Coriella chernyshevi n. sp. (Entoprocta, Barentsiidae), with comments on the genera Coriella and Pedicellinopsis
FIGURE 2. Coriella chernyshevi n. sp. A a part of colony from which a small fragment was cut off, in order to represent the holotype ZMMU № UK- 13; B stem structure of the part of colony from which the holotype was cut off (asterisks point to thinner stems); C separate zooid; D calyx-stalk junction (arrowheads point to spikes); E peduncle with numerous pore complexes (arrows point to pore complexes); F peduncle-muscular base junction (asterisks point to a septum).
Fig. 2 in Phylogenetic Position of the Queer, Backward-bent Entoproct Loxosoma axisadversum (Entoprocta: Solitaria: Loxosomatidae)
Fig. 2. Photographs of living entoprocts, Loxosoma axisadversum Konno, 1972, in situ on their host. A, Dorsal surface of the maldanid polychaete Nicomache personata Johnson, 1901 (ZIHU 4935) with several entoprocts (indicated by arrowheads) and unidentified peritrich ciliates attached; B, more highly magnified image of L. axisadversum (and peritrich) viewed laterally.
Fig. 4 in Phylogenetic Position of the Queer, Backward-bent Entoproct Loxosoma axisadversum (Entoprocta: Solitaria: Loxosomatidae)
Fig. 4. Maximum likelihood tree based on combined partial COI, 18S, and 28S rRNA gene sequences. Numbers near nodes indicate bootstrap support values ≥50%.
Fig. 1 in Phylogenetic Position of the Queer, Backward-bent Entoproct Loxosoma axisadversum (Entoprocta: Solitaria: Loxosomatidae)
Fig. 1. Map of northern Japan, showing known localities of Loxosoma axisadversum Konno, 1972. Sources: triangle, Konno (1972); squares, Konno (1978); diamond, Konno (1985); circle, present study.
Linked collectors and determiners for: Bryozoa, Brachiopoda and Entoprocta (TSZBr) The Arctic University Museum of Norway.
Natural history specimen data linked to collectors and determiners held within, "Bryozoa, Brachiopoda and Entoprocta (TSZBr) The Arctic University Museum of Norway". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/e92bb2ed-1efe-4d2a-a17d-52182c562db8">https://bionomia.net/dataset/e92bb2ed-1efe-4d2a-a17d-52182c562db8</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/e92bb2ed-1efe-4d2a-a17d-52182c562db8">https://gbif.org/dataset/e92bb2ed-1efe-4d2a-a17d-52182c562db8</a>. Formatted as a Frictionless Data package.
FIGURE 1. Coriella chernyshevi n in A new species of Coriella, Coriella chernyshevi n. sp. (Entoprocta, Barentsiidae), with comments on the genera Coriella and Pedicellinopsis
FIGURE 1. Coriella chernyshevi n. sp. A holotype, ZMMU № UK-13. Scale bar: 2 mm; B stem of the paratype, ZMMU № UK-14 (arrows point to sterile peripherical stolons). Scale bar: 2 mm; C separate zooid. Scale bar: 2 mm.
FIGURE 1 in Loxosomella almugnecarensis n. sp. (Entoprocta: Loxosomatidae) — a new sponge epizoite from the Iberian Mediterranean Sea
FIGURE 1. Loxosomella almugnecarensis Drawings depicting the live holotype in frontal view (A) and in dorsal view (B). Scale bars: 100 µm.
FIGURE 2 in Loxosomella almugnecarensis n. sp. (Entoprocta: Loxosomatidae) — a new sponge epizoite from the Iberian Mediterranean Sea
FIGURE 2. Photographs of live individuals of A, Loxosomella almugnecarensis and B, Loxosomella pes (Schmidt) collected on the coast of Granada province, showing the difference in calyx shape and size of the tentacle crown. Scale bars: 100 µm.
FIGURE 2. Loxosomella unicornis. A, B in A new species of Loxosomatidae (Entoprocta, Solitaria) from the White Sea: Loxosomella unicornis sp. nov.
FIGURE 2. Loxosomella unicornis. A, B, diagrams of live specimen with short stalk in frontal and lateral view, respectively. C, specimen with long stalk in frontal view. D, specimen with developing larva in frontal view. Scale bars: 50 Μm.
FIGURE 3. Loxosomella unicornis. A in A new species of Loxosomatidae (Entoprocta, Solitaria) from the White Sea: Loxosomella unicornis sp. nov.
FIGURE 3. Loxosomella unicornis. A, fixed specimen in frontal view. B, upper part of calyx with lateral, ciliated, sensitive papillae and horn-shaped appendage.
FIGURE 2. Coriella chernyshevi n in A new species of Coriella, Coriella chernyshevi n. sp. (Entoprocta, Barentsiidae), with comments on the genera Coriella and Pedicellinopsis
FIGURE 2. Coriella chernyshevi n. sp. A a part of colony from which a small fragment was cut off, in order to represent the holotype ZMMU № UK-13; B stem structure of the part of colony from which the holotype was cut off (asterisks point to thinner stems); C separate zooid; D calyx-stalk junction (arrowheads point to spikes); E peduncle with numerous pore complexes (arrows point to pore complexes); F peduncle-muscular base junction (asterisks point to a septum).
FIGURES 8–15 in A new solitary, interstitial species of Loxosomatidae (Entoprocta) from the coast of Galicia (NW Spain), Loxosoma discoides n. sp.
FIGURES 8–15. Morphological features of Loxosoma discoides n. sp. 8. Light micrograph of a frontal view of the end of the stalk showing the sucking disc (Sd) with lappets (L) in radial array. 9. Light micrograph of a histological longitudinal section at the sucking disc (Sd) level showing abundant gland cells (Gc). 10. Light micrograph of a frontal view of a specimen at the stalk-calyx transition level showing crossed diagonal musculature (Cdm). 11. Light micrograph of the stalk showing two rows of gland cells (arrows) along the stalk. 12. Light micrograph of a histological longitudinal section showing the digestive tract, including the mouth (M) in the atrium (A), the oesophagus (O), the stomach (St) and the rectum (R) enclosing faecal material, which leads to the atrium through the anus. 13. Scanning electron micrograph showing a bud. 14. Scanning electron micrograph showing a pedunculated, pointed structure resembling a flask organ. 15. Light micrograph of a histological longitudinal section showing a pedunculated, pointed structure resembling a flask organ; the arrows point out the continuity between calyx epidermis and that of the flask organ-like structure; note the continuity (arrowhead) between the calyx mesenchyme and the inside of the flask organ-like structure.
FIGURES 2–7 in A new solitary, interstitial species of Loxosomatidae (Entoprocta) from the coast of Galicia (NW Spain), Loxosoma discoides n. sp.
FIGURES 2–7. Morphological features of Loxosoma discoides n. sp. 2. Light micrograph of a frontal view of the holotype specimen MNCN 26.01/10 showing the stalk (S), with a shucking disc (Sd) at the end, and the calyx with two wings (W), one bud (B) and two pedunculated, pointed structures resembling flasks organs (Fo). 3. Scanning electron micrograph of the frontal view of another specimen. 4. Light micrograph of the frontal view of another specimen in which the lateral pockets (Lp) of the stomach are shown. 5. Light micrograph of a histological transversal section showing the atrium (A) enclosed by a crown of tentacles (T) and a section of the rectum (R) containing faecal material. 6. Light micrograph of the frontal view of an area of the calyx showing two buds (B) and the atrium (A) enclosed by tentacles (T). 7. Light micrograph of a histological longitudinal section showing the large stomach (St), containing ingested food, and tentacles.
FIGURE 1 in A new solitary, interstitial species of Loxosomatidae (Entoprocta) from the coast of Galicia (NW Spain), Loxosoma discoides n. sp.
FIGURE 1. Map of the Iberian Peninsula showing the locations, Combarro and Meira beaches, where the specimens of Loxosoma discoides n. sp. were collected.
FIGURE 9 in Clarification of the diagnosis of the genus Loxosoma s.l. (Entoprocta; Loxosomatidae) based on morphological and molecular data
FIGURE 9. RaxML maximum likelihood phylogeny based on 28S rRNA partial gene sequences. Bootstrap support indicated above branches, values below 95% were removed. Rectangles highlight subgenera. Asterisks indicate the position of Loxosoma aripes n. comb..
FIGURE 6 in Clarification of the diagnosis of the genus Loxosoma s.l. (Entoprocta; Loxosomatidae) based on morphological and molecular data
FIGURE 6. Stalk structure of Loxosoma aripes n. comb. (light microscopy). A. Frontal view of the specimen 7 which was used for histological investigations of the stalk. B. Abfrontal view of the specimen 8 which was used for histological investigations of the stalk. C–K. A series of oblique-transverse sections of the stalk of the specimen 7 with a step of about 20 mµ starting from level 1, which is marked in Fig. 6a. L–N. Longitudinal sections of the specimen 8 on levels that is marked in Fig. 6b. L.—level 1. M.—level 2. N.—level 3. Abbreviations: b—bud, bk—'beak'-like attachment organ, e—embryo, es—esophagus, gl—glandular cell, i—intestine, l—larva, m—muscle, re—rectum, s—stomach, st—stalk, stb—stalk base, sw—swelling.
FIGURE 3. Loxosoma aripes n. comb. A in Clarification of the diagnosis of the genus Loxosoma s.l. (Entoprocta; Loxosomatidae) based on morphological and molecular data
FIGURE 3. Loxosoma aripes n. comb. A. Latero-abfrontal view (SEM). B. Drawing of specimen 5, abfrontal view. C. Drawing of specimen 6 in lateral, abfrontal and fronto-lateral views. Abbreviations: b—bud, bk—'beak'-like attachment organ, e— embryo, es—esophagus, in—intestine, re—rectum, s—stomach, st—stalk, t—tentacle.
FIGURE 1 in Clarification of the diagnosis of the genus Loxosoma s.l. (Entoprocta; Loxosomatidae) based on morphological and molecular data
FIGURE 1. Holotype of Loxosoma aripes n. comb. from Bergen museum (Museum number 46395). Abbreviations: bk— 'beak'-like attachment organ, e—embryo, in—intestine, re—rectum, s—stomach, st—stalk, t—tentacle.
FIGURE 8 in Clarification of the diagnosis of the genus Loxosoma s.l. (Entoprocta; Loxosomatidae) based on morphological and molecular data
FIGURE 8. Embryos and larvae of Loxosoma aripes n. comb. (light microscopy). A–C. Series of parasagittal sections through the calyx with a larva, three large embryos, and several young embryos. A. The most distal section showing a larva in the brood chamber and three large embryos. B. More proximal section showing a larva in the brood chamber, three large embryos and one young embryo. C. The most proximal section showing a larva in the brood chamber and three young embryos. D–F. A series of oblique-transverse section of the larva. D. The section on the level of the apical organ and the frontal organ. E. The section on the level of the esophagus. F. The section on the level of the foot. Abbreviations: ap—apical organ, bc—brood chamber, es—esophagus, f—foot, fo—frontal organ, l—larva, pg—pedal gland, pr—prototroch, s—stomach. Embryos are numbered in Arabic numerals.
FIGURE 2. Loxosoma aripes n. comb. A–C. Specimen 1 with two buds and embryos. A. Frontal view. B. Lateral view. C in Clarification of the diagnosis of the genus Loxosoma s.l. (Entoprocta; Loxosomatidae) based on morphological and molecular data
FIGURE 2. Loxosoma aripes n. comb. A–C. Specimen 1 with two buds and embryos. A. Frontal view. B. Lateral view. C. Abfrontal view. В–F. Specimen 2 with two buds and without embryos. D. Frontal view. E. Lateral view. F. Abfrontal view. G. Frontal view of the specimen 3. H. Abfrontal view of the specimen 4. I. Abfrontal view of the specimen 5. Abbreviations: b—bud, e—embryo, es—esophagus, in—intestine, re—rectum, s—stomach.
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