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276 results for “Chaetonotidae”
FIG. 4 in Gastrotricha Mečnikow, 1865 from Copenhagen Palm House - contribution to the knowledge of Lepidodermella intermedia Kånneby, Todaro & Jondelius, 2012 (Chaetonotida, Gastrotricha)
FIG. 4. — Lepidodermella intermedia Kånneby, Todaro & Jondelius, 2012: A, B, detail of the dorsal posterior body region: two pairs of lateral parafurcal spines are visible (arrows). Scale bars: 5 µm.
Fig. 8 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 8. Scanning electron microscopy. Polymerurus insularis sp. nov. A–B, D. Paratype (ZUEC GCH 59). C, E. Paratype (ZUEC GCH 60). A–B. Posterior dorsal view. C. Detail of the furca base in posterior dorsolateral view. D–E. Details of the furcal rami. Abbreviations: fb = furca base; fr = furcal rami; sc-4 = Type 4 scales; sc-5 = Type 5 scales. Scale bars = 10 µm.
Fig. 4 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 4. Light microscopy – DIC. Polymerurus insularis sp. nov. Posterior region of the body. A. Paratype (ZUEC GCH 56). B, D. Holotype (ZUEC GCH 55). C. Paratype (ZUEC GCH 57). A–B. Posterior dorsal view. C. Posterior dorsolateral view. D. Posterior ventral view. Abbreviations: fr = furcal rami; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales. Scale bars = 40 µm.
Fig. 5 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 5. Close-up of the different types of scales described forPolymerurus insularis sp. nov.A–C. Paratype (ZUEC GCH 59). D, F. Holotype (ZUEC GCH 55). E. Paratype (ZUEC GCH 56). A–C. Scanning electron microscopy. D–F. Light microscopy – DIC. A. Detail of a section of the dorsal middle trunk, showing the most common type of scale, Type 1, with emphasis on its characteristic shape. B. Detail of a section of the dorsal posterior trunk, showing Type 2 and Type 3 scales. C–E. Detail of the transition between the dorsal posterior trunk and the dorsal furca base, showing the particular scale covering of this region. F. Detail of the transition between the ventral posterior trunk and the ventral furca base, showing the particular scale covering this region. Abbreviations: sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales; svs = small ventral pair of spines. Scale bars: A–C = 5 µm; D = 10 µm; E = 15 µm; F = 10 µm.
Fig. 3 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 3. Light microscopy – DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). A–C. Correspond to the most anterior third of the specimen. A. Anterior dorsal region. B. Anterior internal region. C. anterior ventral region. D–F. Correspond to the trunk. D. Dorsal trunk. E. Internal trunk. F. Ventral trunk. G–I. Correspond to the posterior third of the specimen. G. Dorsal posterior third. H. Internal posterior third. I. Ventral posterior third. Abbreviations: ce = cephalion; ct = cephalic bristles; eg = egg; hy = hypostomium; i = intestine; is = interciliary spines; lc = locomotory cilia; lce = lateral cephalic expansions; mo = mouth; ne = nephridia; pl = pleurae; ph = pharynx; PhIJ = pharyngealintestinal junction; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; vs = Type 1 ventral scale. Scale bars = 20 µm.
Fig. 1 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 1. Sampling location, at the state of Pernambuco, Fernando de Noronha archipelago, Brazil A. Brazil. B. Fernando de Noronha Archipelago. C. Xaréu açude. Images provided by Google Earth (A–B) and Prof Dr Felipe Toledo, University of Campinas (C).
Fig. 6 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 6. Schematic illustration of dorsal and ventral posterior regions and type scales of Polymerurus insularis sp. nov. A–B. Paratype (ZUEC GCH 56). A. Dorsal view of the posterior end. Some Type 1 scales are faded for a better visualization of Types 2, 3 and 5 scales. B. Ventral view of the posterior end. C. Each type of scale, individually depicted (not to scale). Abbreviations: ff = furcal furrow; fr = furcal rami; lc = locomotory cilia; is = interciliary spines; sc-1 = Type 1 scales; sc-2 = Type 2 scale; sc-3 = Type 3 scales; sc-4 = Type 4 scales; sc-5 = Type 5 scales; sc-6 = Type 6 scales; sc-7 = Type 7 scales; sc-8 = Type 8 scales. Scale bars = 40 µm.
Fig. 9 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 9. Maximum Likelihood tree based on multigene approach with 18S and 28S sequences. Highlighted branches correspond to the Polymerurus Remane, 1927 species sequences. Values on the branches correspond, respectively, to: SH-aLRT support (%) / aBayes support / ultrafast bootstrap support (%).
Fig. 2 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 2. Light microscopy – DIC. Polymerurus insularis sp. nov., holotype (ZUEC GCH 55). Full body view. A. Dorsal view. B. Internal view. C. Ventral view. Scale bars = 30 µm.
Fig. 1 in A new species of freshwater Chaetonotidae (Gastrotricha, Chaetonotida) from Obodska Cave (Montenegro) based on morphological and molecular characters
Fig. 1. Map of Montenegro with the location of Obodska Cave.
Fig. 2 in A new species of freshwater Chaetonotidae (Gastrotricha, Chaetonotida) from Obodska Cave (Montenegro) based on morphological and molecular characters
Fig. 2. Scheme of Obodska Cave. 1, 2, 3, 4 = sampling localities.
Fig. 3 in A huge undescribed diversity of the subgenus Hystricochaetonotus (Gastrotricha, Chaetonotidae, Chaetonotus) in Central Europe
Fig. 3. Terminology and measurement scheme for scales and spines. A. Frontal view. B. Lateral view.
FIGURE 2. Heterolepidoderma sinus Kolicka, 2015 in From saline to salty? Heterolepidoderma sinus (Chaetonotida, Chaetonotidae) from subsaline coal mine settling ponds
FIGURE 2. Heterolepidoderma sinus Kolicka, 2015. Scales are in µm. A—Dorsal body view. B—View of internal morphology. C— Ventral body view. D—Detail of head with lateral lamellae. E—Detail of head, neck and anterior trunk ventral view with visible lamellae. F—Detail of trunk, furca base and furcal appendages ventral view with visible ventral lamellae.
FIGURE 8. A–H in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 8. A–H) Incertae sedis continued. A) Ichthydium diacanthum dorsal and B) ventral view. C) I. plicatum dorsal and D) ventral view. E) I. squamigerum dorsal view and F) bi-keeled scales anchoring posterior sensory bristles. G) I. squamigerum ventral view. H) I. tergestinum dorsal view. A, B, original; C, D, modified from Balsamo & Fregni (1995); F, after Balsamo & Fregni (1995); E, G, original; H, modified from Grünspan (1908). Scale bars: 20 µm.
FIGURE 7. A–D in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 7. A–D) Subgenus Forficulichthys continued; E) Subgenus Pseudichthydium; F–H) Incertae sedis. A) Ichthydium tanytrichum dorsal and B) ventral view. C) I. skandicum n. sp. dorsal and D) ventral view. E) I. balatonicum dorsal view. F) I. chaetiferum ventral view. G) I. cyclocephalum dorsal and H) ventral view. A–D, original; E, modified from Schwank (1990); F, modified from Kisielewski (1991); G, H, modified from Grünspan (1908). Scale bars: 20 µm.
FIGURE 6. A–D in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 6. A–D) Subgenus Ichthydium sensu stricto continued; E–H) Subgenus Forficulichthys. A) Ichthydium podura dorsal and B) ventral view. C) I. rostrum dorsal view. D) I. sulcatum dorsal view. E) I. cephalobares dorsal view. F) I. forcipatum dorsal view. G) I. forficula dorsal view and H) ventral view of head showing arrangement of ciliation. A, B, F, modified from Balsamo (1983); C, D, G, H, modified from Schwank (1990); E, modified from Brunson (1949). Scale bars: 20 µm.
FIGURE 5. A –G in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 5. A –G) Subgenus Ichthydium sensu stricto continued. A) Ichthydium leptum dorsal view. B–C) I. macrocapitatum dorsal view of the two different forms. D) I. macropharyngistum dorsal view. E) I. maximum dorsal view. F) I. minimum dorsal view. G) I. palustre dorsal view. A, modified from Brunson (1947); B, C, modified from Sudzuki (1971); D, modified from Brunson (1949); E, G, modified from Schwank (1990); F, modified from Brunson (1950). Scale bars: 20 µm (~20 µm for B, C).
FIGURE 1. A–C in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 1. A–C) Different representations of Ichthydium skandicum n. sp. Schematic drawing of A) dorsal view and B) ventral view. C) Detailed drawing of dorsal view. Scale bar: 20 µm.
FIGURE 2. A–C in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 2. A–C) Photographs of live specimens of Ichthydium skandicum n. sp. A) Habitus. B) Ventral view showing distribution of ciliary tufts in the trunk region. C) Dorsal view of posterior trunk region showing distribution of scales. Scale bars: A, B 20 µm; C, 10 µm.
FIGURE 4. A–L in One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus
FIGURE 4. A–L) Subgenus Ichthydium sensu stricto. A) Ichthydium auritum dorsal view. B) I. bifasciale dorsal view. C) I. bifurcatum dorsal view. D) I. bifurcatum lateral view of head. E) I. bifurcatum enlargement of adhesive tube. F) I. brachykolon dorsal view. G) I. crassum dorsal view and H) lateral view of posterior end. I) I. dubium dorsal view. J) I. fossae dorsal view. K) I. galeatum dorsal view and L) ventral view of head showing arrangement of ciliation. A, modified from Brunson (1950); B–E, I–L, modified from Schwank (1990); F, modified from Brunson (1949); G, H, modified from Daday (1905). Scale bars: 20 µm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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