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276 results for “Chaetonotidae”
FIGURE 3 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 3. Chaetonotus (C.) daphnes. A) Dorsal view of anterior body showing head with cephalion, pleurae and scales of the head, neck and anterior trunk region. B) Dorsal view of posterior body showing distribution of scales and scales of the furcal base. C) Ventral view of posterior body showing ventral terminal scales and scales of the interciliary area. D) Detail of dorsal scales. Scale bars: A, 25 µm; B and C, 10 µm; D, 5 µm.
FIGURE 6 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 6. Chaetonotus (C.) microchaetus. A) Habitus. B) Ventral view of neck and anterior trunk region showing transverse scale plates. C) Dorsal view of mid-trunk region showing distribution of scales and spines. Scale bars: A, 25 µm; B and C, 10 µm.
FIGURE 15 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 15. Chaetonotus (H.) spinulosus. A) Dorsal view showing distribution of scales and spines. Note that the head and neck regions lack scales. B) Ventral view showing locomotory ciliation and ventral terminal scales. Scale bars: 10 µm.
FIGURE 24 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 24. Chaetonotus (Z.) succinctus. A) Habitus. B) Dorsal view of posterior body showing girdle and lateral spines. C) Ventral view of anterior body showing scales of the interciliary area. Scale bars: A, 25 µm; B and C, 10 µm.
FIGURE 18 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 18. Chaetonotus (P.) heideri. A) Habitus. B) Dorsal view of mid-trunk region showing distribution and shape of scales and spines. Note the double anterior edge of scales. C) Anterior body showing pharynx and mouth. Scale bars: A, 50 µm; B and C, 10 µm.
FIGURE 9 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 9. Chaetonotus (C.) polyspinosus. A) Habitus. B) Posterior portion of body showing the longer spines at the base of each furcal branch. Note the X-organ (arrow). C) Shape of mouth and pharynx. Scale bars: A, 25 µm; B and C, 10 µm.
FIGURE 19 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 19. Chaetonotus (P.) heteracanthus. A) Habitus. B) Dorsal view of posterior body showing distribution of scales and spines. C) Ventral view of posterior body showing scales of the interciliary area. Scale bars: A, 25 µm; B and C, 10 µm.
FIGURE 13 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 13. Chaetonotus (H.) hystrix. A) Habitus. B) Dorsal view showing distribution of scales and spines. Note the pair of double-keeled scales at the base of each furcal branch (arrow). Scale bars: 10 µm.
FIGURE 23 in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 23. Chaetonotus (P.) veronicae n. sp., schematic drawing. Dorsal view to the right and ventral view to the left. Scale bar: 10 µm.
FIGURE 14. A in New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden
FIGURE 14. A, Chaetonotus (H.) macrochaetus. B and C, Chaetonotus (H.) persetosus. A) Habitus. Note the sudden increase in spine length in the anterior trunk region. B) Ventral view of anterior body showing ventral ciliation and mouth. Note the spines with lamellae (arrow). C) Dorsal view of posterior body showing distribution of scales and spines. Note the "not so sudden" increase in spine length. Scale bars: A, 25 µm; B and C, 10 µm.
FIGURE 16 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 16. Chaetonotus (Chaetonotus) eximius sp. nov.—paratype with mature egg A—Ventral view, B—View of internal morphology. All measurements in micrometers.
FIGURE 14 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 14. Chaetonotus (Chaetonotus) eximius sp. nov.—holotype. Habitus. Measurement in micrometers.
FIGURE 19 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 19. Chaetonotus (Chaetonotus) pravus sp. nov.—two types of dorsal scales A—Narrower scale, B—Wider scale. All measurements in micrometers.
FIGURE 5 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 5. Chaetonotus (Tristratachaetus) rhombosquamatus sp. nov.—body view without outer layer of cuticle. A—Dorsal view, B—View of internal morphology, C—Ventral view. All measurements in micrometers.
FIGURE 3. Heterolepidoderma caudosquamatum, n in Heterolepidoderma caudosquamatum (Gastrotricha: Chaetonotida), a new species from brackish waters of Denmark
FIGURE 3. Heterolepidoderma caudosquamatum, n. sp.: A. dorsolateral view; B. ventrolateral view; C. internal anatomy of an adult parthenogenic specimen; D. detail of the trunk dorsal scales; E. dorsal posterior end, showing the peculiar keeled scales.
FIGURE 2. Heterolepidoderma caudosquamatum, n in Heterolepidoderma caudosquamatum (Gastrotricha: Chaetonotida), a new species from brackish waters of Denmark
FIGURE 2. Heterolepidoderma caudosquamatum, n. sp.: A. Dorsal view; B. Details of dorsal scales from the head, neck and trunk; C. Ventral view; D. Cephalic plates.
FIGURE 2. Aspidiophorus gullmarsfjordensis n in A new species of Aspidiophorus (Gastrotricha: Chaetonotidae) from the Swedish west coast
FIGURE 2. Aspidiophorus gullmarsfjordensis n. sp. A, habitus. B, dorsal view, showing distribution of pedunculate scales. C. ventral view, showing distribution of pedunculate scales and shape of pharynx. D, anterior ventral view, showing hypostomium and ciliary distribution. E, posterior dorsal view, showing non-pedunculate scales at the base of the furca. F, posterior ventral view, showing ventral terminal scales and spines. Scale bars: A–C, 25 µm; D–F, 20 µm.
FIGURE 1 in A new species of Aspidiophorus (Gastrotricha: Chaetonotidae) from the Swedish west coast
FIGURE 1. Schematic drawing of Aspidiophorus gullmarsfjordensis n. sp. A, dorsal view. B, ventral view. C, detail of scales of the dorsal trunk region. Scale bars: A and B, 20 µm; C, 5 µm.
Figure 24 in A Heterolepidoderma and Halichaetoderma gen. nov. (Gastrotricha: Chaetonotidae) riddle: integrative taxonomy and phylogeny of six new freshwater species from Central Europe
Figure 24. Halichaetoderma rivale sp. nov. A, ventral overview showing the general body organization. B, hydrofoil scales have well-developed lamellar expansions arising from keels on their entire length. C, interciliary field scales. D, ventral furca appendages scales are oblong and keeled. E, ventral central upper-furcal scales are very narrowly oblong and keeled. F, detail of the ventral posterior body region. There are three pairs of terminal scales of the ventral interciliary field. These scales are narrowly to very narrowly oblong and keeled. A ventrolateral row of hydrofoil scales runs along the outer side of each ciliary band. Scale bar = 30 µm.
Figure 23 in A Heterolepidoderma and Halichaetoderma gen. nov. (Gastrotricha: Chaetonotidae) riddle: integrative taxonomy and phylogeny of six new freshwater species from Central Europe
Figure 23. Halichaetoderma rivale sp. nov. A, dorsal overview showing the keel pattern. The body is about 100 µm long and has a slender tenpinshaped silhouette. The neck is clearly demarcated and smoothly continues to the trunk region. The trunk is bulbous and wider than the head. The furcal indentation is broadly helmet-like in shape. Note the three pairs of dorsal sensory bristles inserted at U6, U25, and U83. B, lateral view showing the cephalic pleurae. C, D, head, neck, and trunk dorsal scales are narrowly oblong to oblong. E, lateral view showing the welldeveloped lamellar expansion of hydrofoil scales. F, internal morphology. G, upper-furcal dorsal scales are narrowly oblong with a triangular posterior end. H, sensory bristle scale is double-keeled and cordiform. ceph, cephalion; das, differentiated anterior section of intestine; epi, epipleurae; hyp, hypopleurae; int, intestine; m, mouth; ov, ovum; ph, pharynx. Scale bar = 30 µm.
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OpenNeuro
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