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93 results for “Parachela”
FIG. 13 in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)
FIG. 13. — The phylogenetic position of Fractonotus verrucosus (Richters, 1900) n. comb. on the Bayesian Inference and Maximum Likelihood cladogram constructed from currently available 18S rRNA sequences for Isohypsibioidea and Hypsibioidea, with a Milnesium spp. sequence as the outgroup (see also Table 2). Values above branches indicate posterior probability values (BI), whereas values under branches show bootstrap values (ML). Branches with support below 0.9 in BI (70% in ML) were collapsed.
FIG. 10 in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)
FIG. 10. — Schematic comparison of stylet furcae in: A, Fractonotus Pilato, 1998; B, Calohypsibius Thulin, 1928; C, Isohypsibius Thulin, 1928.
FIG. 4 in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)
FIG. 4. — Genus Calohypsibius Thulin, 1928 s.s., after exclusion of F. verrucosus n. comb. (PCM): A, Calohypsibius ornatus (Richters, 1900); B, Calohypsibius maliki Michalczyk & Kaczmarek, 2005; C, Calohypsibius schusteri Nelson & McGlothlin, 1996. Scale bars: 10 μm.
FIG. 8 in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)
FIG. 8. — Buccal apparatus of Fractonotus verrucosus (Richters, 1900) n. comb. (SEM): A, oral cavity armature, the arrowhead indicates the row of conical teeth; B, the buccal crown and both dorsal and ventral apophyses for insertion of stylet muscles (AISM) in lateral view; C, buccal tube, empty arrowheads indicate lateral thickenings; D, stylet furca; E, pharynx in dorsal view; F, pharynx in lateral view. Scale bars: A, D, 0.5 μm; B, 1 μm; C, E, F, 2 μm.
FIG. 7. — A-E in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)
FIG. 7. — A-E, Fractonotus spp., F-G, Calohypsibius spp. and H-I, Isohypsibius spp., elliptical organs and details of the buccal apparatus (PCM): Fractonotus verrucosus (Richters, 1900) n. comb.: A, cephalic region, empty arrowheads indicate elliptical organs; B, dorsal view, incised arrowhead indicates buccal tube thickening, and incised empty arrowhead points to the furca; C, ventral view; Fractonotus gilvus (Biserov, 1986) n. comb.; D, ventral view, incised empty arrowhead points to the furca; Fractonotus verrucosus (Richters, 1900) n. comb.; E, lateral view, arrowhead indicates the posterior portion of dorsal apophysis in the shape of stumpy hook; F, Calohypsibius ornatus (Richters, 1900), lateral view, arrowhead indicates the anterior portion of dorsal apophysis in the shape of stumpy hook; G, Calohypsibius schusteri Nelson & McGlothlin, 1996, arrowhead indicates the anterior portion of dorsal apophysis in the shape of stumpy hook, and arrow points to the visible peribuccal papulae; H, Isohypsibius prosostomus (Thulin, 1928); I, Isohypsibius coulsoni Kaczmarek, Zawierucha, Smykla, Michalczyk, 2012. Scale bars: 10 μm.
Figure 5 in An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region
Figure 5. Mesobiotus ethiopicus sp. nov. – PCM images of the midsection of various types of egg processes. Scale bars in µm.
Figure 6 in An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region
Figure 6. Mesobiotus ethiopicus sp. nov. – SEM images of eggs: A–B – entire view of 2 different eggs; C–D – egg surface between processes; E–F – egg processes; G–H – a top part of the processes terminated by several short flexible filaments. Filled indented arrowheads indicate poorly developed connection between the processes, filled flat arrowheads indicate rare fully developed connections between processes. Scale bars in µm.
Figure 2 in An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region
Figure 2. Mesobiotus ethiopicus sp. nov. – PCM images of the buccal apparatus: A – an entire buccal apparatus (paratype); B–C – the oral cavity armature of the holotype, dorsal and ventral teeth respectively; D–E – the oral cavity armature of the paratype, dorsal and ventral teeth respectively; F–G – the oral cavity armature of the paratype, dorsal and ventral teeth respectively; H–I – placoid morphology of the paratype, ventral and dorsal placoids, respectively. Filled flat arrowheads indicate the larger teeth in the second band of teeth, arrows indicate the medioventral tooth in the third band of teeth, empty flat arrowheads indicate subterminal constrictions in the third macroplacoid. Scale bars in µm.
Figure 4 in An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region
Figure 4. Mesobiotus ethiopicus sp. nov. – PCM images of the eggs: A – midsection; B – surface; C–D – surfaces under 1000× magnification. Asterisk indicates the wrinkled surface inside the areolae, filled indented arrowheads indicate poorly developed connection between the processes, filled flat arrowheads indicate rare fully developed connections between processes. Scale bars in µm.
Figure 1 in An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region
Figure 1. Mesobiotus ethiopicus sp. nov. – PCM image of habitus: A – dorsoventral projection (holotype). Scale bar in µm.
Figure 3 in An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region
Figure 3. Mesobiotus ethiopicus sp. nov. – PCM images of claws: A – claws I with smooth lunules; B – claws II with smooth lunules; C – claws IV with moderately serrated lunules. All claw photos from the holotype. Arrows indicate the cuticular bars, the filled arrowhead indicates the horseshoe structure connecting the anterior and the posterior claw. Scale bars in µm.
FIGURE 4 in Phylum Tardigrada: A re-evaluation of the Parachela
FIGURE 4. Stylised diagrams of the apophysis for the insertion of the stylet muscles (AISM) (in lateral view, left —dorsal, right—ventral). Hook shaped AISM of Hypsibioidea, Hypsibiidae, Hypsibiinae: A. Hypsibius, simple hooks; B. Borealibius, modified spherical hooks; C. Acutuncus, accentuated hooks. Modified hook shaped AISM of Hypsibioidea, Microhypsibiidae: D. Microhypsibius, accentuated hook and hook with ridge. Modified hook shaped AISM of Hypsibioidea, Calohypsibiidae: E. Calohypsibius, triangular hook and triangular hook with triangular ridge. Modified hook shaped AISM of Hypsibioidea, Ramazzottidae: F. Hebesuncus, asymmetric triangular and basic hook, G. Ramazzottius, asymmetric hooks. Ventral crest ASIM of the Macrobiotoidea, Macrobiotidae: H. Macrobiotus, asymmetric crest, 10 peribuccal lamellae present. Ventral crest ASIM of the Macrobiotoidea, Murrayidae: I. Dactylobiotus, asymmetric crest with hook, 10 peribuccal lamellae present. Ridge shaped AISM of Eohypsibioidea, Eohypsibiidae: J. Eohypsibius, Broad ridges widening mouth with 14 peribuccal lamellae. Ridge shaped AISM of Isohypsibioidea, Isohypsibiidae: K. Isohypsibius, simple triangular ridges, L. Thulinius, simple undulating ridges, 12 peribuccal lamellae present, M. Pseudobiotus, simple undulating ridges, 30 peribuccal lamellae present, N. Mixibius, modified ridges with small gap, and O. Doryphoribius, asymmetric crest ridge.
FIGURE 3 in Phylum Tardigrada: A re-evaluation of the Parachela
FIGURE 3. Diagrammatic representation of Parachela claw structure and nomenclature. A. Exploded diagram of a parachelan claw to explain component parts. a—accessory spines; b—basal tract; l—lunule (edge may be smooth or dentate); p—primary branch; s—secondary branch. B. Stylised diagram of macrobitid claw (2112). Secondary branch—2; primary branch—1; primary branch—1; secondary branch—2. C. Stylised diagram of a hypsibid claw (2121). Secondary branch—2; primary branch—1; secondary branch—2; primary branch—1. D. Stylised diagram of: i—isohypsibid (basal section and secondary branch at right angles) and h—hypsibid (basal section and secondary branch forming continuous arc) claws. E. Stylised diagram of Eohypsibiidae-type claw—claws are clearly delineated by septa into basal section, secondary branch and primary branch.
FIGURE 1 in Phylum Tardigrada: A re-evaluation of the Parachela
FIGURE 1. Phylogenetic topology of the Tardigrada. A. Phylogenetic topology of the Tardigrada based on the current systematic knowledge. B. Proposed phylogenetic topology of the Parachela with the new super families.
FIGURE 3. Macrobiotus mauccii. A in Additional Tardigrada from Hubei Province, China, with the description of Doryphoribius barbarae sp. nov. (Eutardigrada: Parachela: Hypsibiidae)
FIGURE 3. Macrobiotus mauccii. A, egg with pores visible in some processes; B, optical section of a pore in an egg process. Scale lines 20 µm.
FIGURE 2 in Additional Tardigrada from Hubei Province, China, with the description of Doryphoribius barbarae sp. nov. (Eutardigrada: Parachela: Hypsibiidae)
FIGURE 2. Doryphoribius barbarae sp. nov. A, habitus with some gibbosities visible; B, claws of leg IV; C, cuticular pattern of dorsum between second and third legs; D, buccal tube and placoids, ventral lamina visible. Scale line A, 50 µm; other scale lines 10 µm.
FIGURE 1. Pseudechiniscus papillosus. A in Additional Tardigrada from Hubei Province, China, with the description of Doryphoribius barbarae sp. nov. (Eutardigrada: Parachela: Hypsibiidae)
FIGURE 1. Pseudechiniscus papillosus. A, habitus with pseudosegmental lobes visible; B, anterior of body with neck plate visible; C, cephalic papilla between buccal cirri; D, slender spur (arrow) on external claw of leg IV; E, dentate collar of leg IV composed of a single, wide point (arrow); F, spine on leg I. Scale line A, 20 µm; other scale lines 10µm.
FIGURES 14–17 in Tardigrades from Peru (South America), with descriptions of three new species of Parachela
FIGURES 14–17. Macrobiotus pisacensis sp. nov.—egg: 14—processes on egg circumference (mid-sections, arrows indicate internal septae, PCM); 15—surface between processes (PCM); 16—chorion (SEM); 17—flat apex of a process (SEM).
FIGURES 1–5 in Tardigrades from Peru (South America), with descriptions of three new species of Parachela
FIGURES 1–5. Isohypsibius condorcanquii sp. nov.: 1—habitus (lateral view, holotype); 2—dorsal cuticle with polygonal tubercles (holotype); 3—buccal apparatus (dorso-ventral projection paratype); 4—claws III (paratype); 5—claws IV (holotype). All PCM.
FIGURES 26–32 in Tardigrades from Peru (South America), with descriptions of three new species of Parachela
FIGURES 26–32. Paramacrobiotus intii sp. nov.—egg: 26—embryonate egg (mid-section, PCM); 27—chorion (SEM); 28—labyrinthine layer between process walls (PCM); 29—ten areolae around a process (PCM); 30—areolation (SEM); 31–32—processes (mid-sections, PCM).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.