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276 results for “Chaetonotidae”
Fig. 29 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 29. Chaetonotus (Hystricochaetonotus) luxus sp. nov. A. Ventral overview showing the scale and ciliary pattern. B. Ventrolateral scale. C. Ventral furcal scale. D. Internal morphology. E. Detail of the ventral terminal body region. Scale bars: A = 30 µm; D = 20 µm; E = 10 µm.
Fig. 7 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 7. Secondary structure of the first two domains of the 5.8‒28S rRNA molecule of Chaetonotus (Hystricochaetonotus) mirabilis sp. nov. Diagnostic molecular autapomorphies are marked by red arrows. The reference 28S secondary structure map of Saccharomyces cerevisiae Meyen ex E.C.Hansen (inset) is from http://apollo.chemistry.gatech.edu/RibosomeGallery (Petrov et al. 2014).
Fig. 6. ITS2 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 6. ITS2 of the subgenus Hystricochaetonotus Schwank, 1990. A. Putative consensus secondary structure. The central loop radiates four unequally long helices. The first two helices are highly conserved, while the two following helices are much less conserved. For localization of helix 10, which is made by the interaction of 3'-end of 5.8S and 5'-end of 28S, see Fig. 7. B. Two different views on the tertiary structure, showing that helices II and IV run in parallel. C. Structure logos of helices I‒IV. The height of a base is proportional to its frequency in the multiple sequence alignment.
Fig. 5 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 5. Secondary structure of the 18S rRNA molecule of Chaetonotus (Hystricochaetonotus) mirabilis sp. nov. The single diagnostic molecular autapomorphy (red arrow) is situated in the terminal loop of helix 21es6c in the V4 region of the C domain. Note the long-range tertiary contacts between the V2 and V4 regions (highlighted in pink). The reference 18S secondary structure map of Saccharomyces cerevisiae Meyen ex E.C.Hansen (inset) is from http://apollo.chemistry.gatech.edu/RibosomeGallery (Petrov et al. 2014).
Fig. 32 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 32. Chaetonotus (Hystricochaetonotus) iratus sp. nov., holotype (CU-FNS-21-09-20/HO), differential interference contrast. A. Overview showing the internal morphology. B. Pharynx. C. Mouth. D. Head scales. E. Detail showing the posterior section of the pharynx, the pharyngeal-intestinal junction, and the differentiated anterior section of the intestine. F. Detail of the mouth region. Arrows mark the hypostomial structures, asterisks mark the beginning of ciliary bands. Scale bars: A = 30 µm; B = 10 µm; C–D = 2 µm; E–F = 5 µm.
Fig. 4 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 4. Histograms showing intra- and interspecies p-distances of four molecular markers studied in nine new gastrotrich species. A. Barcoding analysis of 18S rRNA gene sequences. The black arrow marks the overlap between intra- and interspecies p-distances. B. Barcoding analysis of ITS2 molecules. Sequences are identical within species (red arrow), while interspecies p-distances range from 5.88% to as much as 34.76%. C. Barcoding analysis of the first two domains of 28S rRNA gene. Although there is no overlap between intra- and interspecies p-distances, no distinct barcoding gap is recognizable. D. Barcoding analysis of COI showing the distinct gap between intra- and interspecies p-distances (red arrow).
Fig. 14 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 14. Chaetonotus (Hystricochaetonotus) mirabilis sp. nov., differential interference contrast. A–B, E. Paratype (CU-FNS-25-10-19/PA-1). C–D, F–G. Paratype (CU-FNS-02-10-19/PA-2). A. Dorsal view showing the scale and spine pattern. B. Head scales. C. Neck and upper trunk dorsolateral scales. D. Terminal dorsal trunk scales with a lateral denticle (arrows). E. Ventral ciliary bands. White dashed lines mark upper-furcal scales. F. Lateral trunk scales. G. Dorsal trunk spines with a membrane. White double arrowheads mark the highly refractive bodies in the intestine. Scale bars: A = 30 µm; B–F = 5 µm; G = 10 µm.
Fig. 11 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 11. Scales of Chaetonotus (Hystricochaetonotus) mirabilis sp. nov. A. Head lateral scales. B. Head dorsal scales. C. Neck dorsal scales. D. Trunk lateral scale. E. Trunk dorsolateral scale. F. Trunk dorsal scale. G. Terminal dorsal scale. H. Furcal ventral three-lobed scales. I. Furcal ventral oblong scales.
Fig. 28 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 28. Chaetonotus (Hystricochaetonotus) luxus sp. nov. A, H. Dorsal and lateral overviews showing the scale and spine pattern. B. Head scale. C. Neck and upper-trunk scale. D–E. Frontal and lateral views of a trunk spined scale. F. Posterior trunk scale. G. Dorsal furcal scale. Scale bars = 30 µm.
Fig. 34 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 34. Chaetonotus (Hystricochaetonotus) gulosus sp. nov., schematic drawings of scales. A. Head scale. B. Neck scale. C. Dorsal trunk scales. D–E. Dorsolateral and lateral trunk scales. F. Ventrolateral trunk scales. G. Posteriormost ventral trunk scales. H. Scales of the ventral interciliary field. I. Ventral furcal scales.
Fig. 9 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 9. Phylogenetic subtree based on 18S, 28S, and COI, showing the systematic positions of the nine new species within the Chaetonotus (Hystricochaetonotus) cluster. Arrows mark the same node in the subtree and the inset phylogram. The whole tree is presented in Fig. 8. The Chaetonotus (Hystricochaetonotus) cluster is highlighted in the inset phylogram. ML bootstrap values and posterior probabilities were mapped onto the best ML tree.
Fig. 2 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 2. Sampling sites of nine new gastrotrich species discovered in Slovakia. A. One locality (STV) was situated in northern Slovakia, while five localities were concentrated in the capital city of Bratislava (marked by the red rectangle). B. Detail of the Bratislava district showing the localization of five sampling sites. Map tiles by ©Stamen Design, under a Creative Commons Attribution (CC BY 3.0) license. Data by OpenStreetMap, under ODbL.
Fig. 31 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 31. Chaetonotus (Hystricochaetonotus) iratus sp. nov. A. Dorsal overview showing the scale and spine pattern. B, D. Lateral and dorsal views of a head scale. C, F. Lateral and dorsal views of a trunk scale. E. Dorsolateral head scale. G. Ventrolateral trunk scale. H. Furca branches scale. I. Detail showing the mouth region. J. Internal morphology. The structure of the cerebral ganglion was observed only in a single specimen. Scale bar = 30 µm.
Fig. 1 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 1. Map of Europe showing the localization of Slovakia. Map tiles by ©Stamen Design, under a Creative Commons Attribution (CC BY 3.0) license. Data by OpenStreetMap, under ODbL.
Fig. 30 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 30. Chaetonotus (Hystricochaetonotus) luxus sp. nov., differential interference contrast. A, E. Paratype (CU-FNS-17-02-20/PA-1). B–D, F–G. Paratype (CU-FNS-17-02-20/PA-2). A. Lateral overview showing the internal morphology. B. Anterior body region. C. Head scales. D. Dorsolateral trunk scales. E. Lateral view of dorsal trunk spined scales carrying a minute lateral denticle (arrows). F. Ventral furcal scales. G. Dorsolateral oblong scales lining the furca sides. White stars in (A) and (B) mark the cerebral ganglion. Scale bars: A = 15 µm; B, E = 10 µm; C–D, F–G = 5 µm.
Fig. 19 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 19. Chaetonotus (Hystricochaetonotus) optabilis sp. nov. A. Ventral overview showing the scale and ciliary pattern. B. V-shaped scales without keels. C. Bowl-shaped scales without keels. D. Detail of the ventral posterior body region. E. Internal morphology. F. Narrowly obovate keeled scale. G. Fusiform keeled scale. H. Oblong spined scale. Scale bars: A, E = 30 µm; D = 10 µm.
Fig. 23 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 23. Chaetonotus (Hystricochaetonotus) avarus sp. nov. A. Dorsal overview showing the scale and spine pattern. B–C. Head scales. D. Neck dorsolateral scale. E. Lateral view of a trunk spined scale. F. Neck central scales. G. Trunk scales. H. Posterior trunk scales. I. Dorsal furca branches scales. J. Dorsal furca base scales. K. Internal morphology. L. Lateral overview. Scale bars = 30 µm.
Fig. 17 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 17. Chaetonotus (Hystricochaetonotus) superbus sp. nov., differential interference contrast. A–B. Paratype (CU-FNS-22-06-20/PA). C–G. Holotype (CU-FNS-15-06-20/HO). A. Detail showing the salivary gland, pharyngeal-intestinal junction, and differentiated anterior section of the intestine. B. Detail showing the connection of transversal bands to the base of scales. C. Detail showing the anterior portion of the digestive tract. D. Head scales. E. Neck scales. F. Spines. G. Trunk spined scales. Scale bars: A–B, D‒G = 5 µm; C = 10 µm.
Fig. 21 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 21. Chaetonotus (Hystricochaetonotus) optabilis sp. nov., differential interference contrast. A–B, D. Paratype (CU-FNS-05-03-20-3/PA-2). C. Holotype (CU-FNS-05-03-20-1/HO). A. Detail of the anterior body region. B. Ventral view of the head region. Asterisks mark the beginning of the ventral ciliary bands, arrows mark the cuticular structures of the hypostomium. C‒D. Details of the posterior body region, showing the ovaries and the organ X. Scale bars = 10 µm.
Fig. 27 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 27. Chaetonotus (Hystricochaetonotus) avarus sp. nov., paratype (CU-FNS-26-02-20/PA-2), differential interference contrast. A. Dorsal head scales. B. Overview showing the dorsal scale and spine pattern. C. Posterior trunk scales. D. Scales in the ventral interciliary field. E. Detail of the ventral posterior region. Scale bars: A, C–D = 5 µm; B = 30 µm; E = 15 µm.
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