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276 results for “Chaetonotidae”
Figure 1 from: Todaro M, Dal Zotto M, Bownes S, Perissinotto R (2011) First records of Gastrotricha from South Africa, with description of a new species of Halichaetonotus (Chaetonotida, Chaetonotidae). ZooKeys 142: 1-13. https://doi.org/10.3897/zookeys.142.2036
Figure 1 - Gastrotricha from St. Lucia beach, South Africa DIC photomicrographs. A–B Macrodasyida, C-F Chaetonotida. A, Dactylopodola australiensis, ventral view B, Pseudostomella sp., twisted juvenile C Halichaetonotus sp.1, dorsal view D Halichaetonotus sp. 2, ventral view E Heteroxenotrichula squamosa, ventral view F Xenotrichula sp., dorsal view.
Figure 3 from: Todaro M, Dal Zotto M, Bownes S, Perissinotto R (2011) First records of Gastrotricha from South Africa, with description of a new species of Halichaetonotus (Chaetonotida, Chaetonotidae). ZooKeys 142: 1-13. https://doi.org/10.3897/zookeys.142.2036
Figure 3 - Gastrotricha from St. Lucia beach, South Africa. Halichaetonotus sanctaeluciae sp. n., habitus A dorsal view B ventral view. DIC photomicrographs.
Figure 2 from: Todaro M, Dal Zotto M, Bownes S, Perissinotto R (2011) First records of Gastrotricha from South Africa, with description of a new species of Halichaetonotus (Chaetonotida, Chaetonotidae). ZooKeys 142: 1-13. https://doi.org/10.3897/zookeys.142.2036
Figure 2 - Gastrotricha from St. Lucia beach, South Africa. Halichaetonotus sanctaeluciae sp. n., schematic drawings A dorsal view B ventral view (locomotor cilia omitted).
Figure 7 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 7 - Neogossea acanthocolla. DIC photomicrographs. A habitus B anterior region showing the group of thick spines on the neck (arrow) C close-up of the posterior region of the trunk showing a tuft of long, barbed spines (arrow).
Figure 4 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 4 - Kijanebalola devestiva sp. n. DIC photomicrographs. A habitus of a subadult specimen showing developing egg (arrow) B close-up dorsal view of the posterior trunk region showing the two sensory bristles (arrow-heads) C close-up dorsal view of the anterior trunk and neck regions, showing two pairs of sensory bristles.
Figure 5 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 5 - Kijanebalola devestiva sp. n. SEM photomicrographs. A habitus in a ventro-lateral view; note the arrangement of the first, second and third ciliary bands on the trunk region (number and arrows) B anterior region of a different specimen in a frontal view C close-up view of the mouth ring and cephalion (arrows).
Figure 6 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 6 - Kijanebalola devestiva sp. n. SEM photomicrographs. A anterior region of specimen with head partially retracted inside the body (ventral view) B posterior trunk region of different specimen, showing the fourth ciliary band and the anus (arrow) C close-up view of the posterior end showing the anus (arrow) and the residual patch of spined scales (arrows) D close-up view of the posterior end (dorsal view), showing theterminal spines and the sensorial bristles (arrows).
Figure 3 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 3 - Kijanebalola devestiva sp. n. DIC photomicrographs. A habitus of a gravid specimen B close-up view of the inside egg with the shell bearing spine-like ornamentation (arrowheads).
Figure 2 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 2 - Kijanebalola devestiva sp. n. DIC photomicrographs. A habitus B, C close-up ventral view of theanterior region showing the ciliary bands D close-up ventral view of the mid-trunk region showing the second ciliary bands E close-up ventral view, of the posterior region, showing the fourth ciliary bands (arrowheads) and the residual patch of spined scales (arrow).
Figure 1 from: Todaro M, Perissinotto R, Bownes S (2013) Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. ZooKeys 315: 77-94. https://doi.org/10.3897/zookeys.315.5593
Figure 1 - Kijanebalola devestiva sp. n. schematic drawings. A Dorsal habitus B Ventral habitus, showing some internal structures. a anus alt antero-lateral tuft of cephalic cilia asb anterior sensory bristle ce cephalion ct cephalic tentacle dlvb lateral band of cephalic cilia extending dorsally and ventrally e egg I-IV, first to fourth band of trunk ciliature mvb median ventral band of cephalic cilia pcl proximal canal cell lumen PhIJ pharyngeo-intestinal junction ps patch of keeled scales psb posterior sensory bristle tsp terminal spines vlt ventro-lateral band of cephalic cilia.
Fig. 7 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. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. A–B, D–E. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. D–E. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; B–C = 5 µm; D = 20 µm; E = 10 µm.
FIGURE 8 in New data on Brazilian semiplanktonic gastrotrichs (Gastrotricha: Chaetonotida)
FIGURE 8. Registers of semiplanktonic gastrotrichs of Brazil. A: Brazil, B: Teresina (Piauí state), C Paulínia (São Paulo state), D: São Paulo, E: Broa dam (São Paulo state). Red dots: reports on literature, blue dots: presente study records.
FIG. 10 in New records, neotype designation and DNA sequences of three species of Chaetonotus (Gastrotricha: Chaetonotidae) from Brazil
FIG. 10. Chaetonotus furcatus, light microscopy photomicrographs (DIC). A. Dorsal view of the anterior region, B. Detail of the spined scales in the anterior dorsal region, C. Detail of the pharynx, lateral view, D. Ventral view of the posterior ventral end. Asc: Anterior scales, Ce: Cephalion, Epi: Epipleura, Hyp: Hypopleura, Ks: Keeled scale, Pha: Pharynx, Si: Spines, St: Dorsal trunk spined scales, Vs: Ventral scales. Scale bars: A–D, 20 μm.
FIG. 6. Chaetonotus dadayi, SEM photos. A in New records, neotype designation and DNA sequences of three species of Chaetonotus (Gastrotricha: Chaetonotidae) from Brazil
FIG. 6. Chaetonotus dadayi, SEM photos. A. Dorsal view of the body - habitus, B. Dorsal view of the anterior region, C. Dorsal view of the middle trunk. D, E. Detail of the dorsal denticulate spined scales, F. Detail of furca base, dorsal view. G. Detail of furca base, ventral view. As: Anterior spines, De: Denticle, Si: Spines, St: Dorsal spined scales, Shs: Short spines. Scale bars: A, 40 μm; B, 30 μm; C, 20 μm; D–F, 10 μm; G, 8 μm.
FIG. 13. Chaetonotus furcatus Kisielewski, 1991 in New records, neotype designation and DNA sequences of three species of Chaetonotus (Gastrotricha: Chaetonotidae) from Brazil
FIG. 13. Chaetonotus furcatus Kisielewski, 1991, schematic illustration. Ventral view of the ventral posterior end, with ventrolateral spined scales and interciliary keeled scales. Scale bar: 20 μm.
FIG. 5. Chaetonotus dadayi, SEM photos. A in New records, neotype designation and DNA sequences of three species of Chaetonotus (Gastrotricha: Chaetonotidae) from Brazil
FIG. 5. Chaetonotus dadayi, SEM photos. A. Dorsal view of the body - habitus, B. Lateral view of the body, C. Dorsal view of the head region, D, F. Ventral view of the posterior end, E. Ventral view of the anterior region. Ad: Adhesive tube, Ce: Cephalion, De: Denticle, Ds: Dorsal spines, Fs: Furcal spines, Mo: Mouth ring, Pts: Paired terminal scales. Scale bars: A–B, 40 μm; C–D, 10 μm; E, 15 μm; F, 30 μm.
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