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309 results for “rotifera”
Figure 14 from: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435
Figure 14 Trophi. A–G Morphology of the ramus ("unci") teeth A teeth absent (S. pectinata) B teeth absent, margin slightly corrugated (S. stylata) C no distinct teeth, only a serrated plate, frontal hook with a spine (arrow; S. vorax) D one to two teeth are sharply pointed and remainder are blunt (S. verrucosa) E teeth distinctly incised, frontal hook with a spine (S. gyrina) F dorsal teeth distinctly incised and ventral comb-like (S. triophthalma) G dorsal teeth comb-like and ventral distinctly incised, frontal hook with a spine (arrow; S. baltica) H–J Shape and breadth (double headed-arrow) of the lateral fulcrum H blade-like, narrow, distal end not oblique (S. tremula) I machete-like, narrow, distal end oblique (dashed arrows; S. oblonga) J axe-shaped to semi-circular, broad to very broad, distal end oblique (dashed arrows; S. longipes) K–L Shape of the hypopharynx K small to medium, robust (S. tremula) L broad to very broad, laterally pointed / dagger-like (S. stylata) M–R Shape of the cauda of the manubrium M of even width (S. baltica) N slightly decreasing distally (S. pectinata) O with a small knob-like thickening distally (S. hutchingsi) P with a large knob-like thickening distally (S. grimpei) Q oar blade shaped at the distal half (S. oblonga) R cauda spatulate or kinked distally (S. glacialis). Drawings modified from: DStemberger (1979) (sub. S. asymmetrica Koch-Althaus) and Jersabek et al. (2003a)RFriedrich and De Smet (2000).
Figure 13 from: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435
Figure 13 Location and morphology of the lateral antennae. A–C Number and size of the lateral antenna(e) (arrow) A single, enlarged left lateral antenna (S. hutchingsi) B single, right lateral antenna (S. tamara) C lateral antennae paired, symmetrical, and of normal size (S. tremula) D–F Location of the lateral antenna(e) (arrows) relative to the median transversal axis (dashed line) (lateral habitus is presented as a stylized drawing that is species independent) D directly lateral (e.g., S. tremula) E ventrolateral (e.g., S. oblonga) F mid-dorsal, single antenna slightly displaced to the right of the body axis (e.g., S. tamara) G–I Location of the lateral antennae relative to the longitudinal axis (arrows) G in the posterior third of the trunk region (S. oblonga) H in the caudal-most trunk region at or near the base of the foot (S. tremula) I on lateral lobes (dashed arrow) caudally to the cloaca and in the proximal third of the foot (S. grimpei) J–L The base of the lateral antennae (detail in inset) J surrounded by a tubular epidermal fold (S. johanseni) K surrounded by a papillary epidermal fold (S. oblonga) L surrounded by a low epidermal fold (S. pectinata). Drawings modified from: BSmirnov (1933) and Friedrich and De Smet (2000)JHarring (1921).
Figure 10 from: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435
Figure 10 Sensory system. A–C Head region showing the cerebral eye, pigment granules and the opening of the dorsal antenna A cerebral eye single, dorsal antenna opening slit-shaped (arrow; S. pectinata) B two partially fused cerebral eyes, frontal aggregations (arrow) and streams (dashed arrow) of pigment granules present (S. triophthalma) C cerebral eyes distinctly separated, dorsal antenna opening round (arrow; S. oblonga) D–H Morphology of the apical receptors (thickened lines, arrows) D receptors slightly separated, situated on a slight elevation centrally on the apical field (S. oblonga) E receptors incompletely separated, situated on a strong elevation centrally on the apical field (S. grandis) F receptors distinctly separated, each situated on a bulge (S. triophthalma) G receptors distinctly separated, each situated on a strong tentacle-like elevation (S. pectinata) H receptors incompletely separated, situated on a single tubular elevation (S. vorax) I–L Lengths of the lateral and dorsolateral styles (thickened lines) I minute (S. squamadigitata) J short (S. grimpei) K medium (S. pectinata) L long (S. vorax) M, N Elevation underlying the dorsal antenna (thickened lines) M not elevated to slightly elevated (S. oblonga) N distinct prominence (S. tremuloida). Drawings modified from: IDe Smet (2006).
Figure 11 from: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435
Figure 11 Cerebral eye and pigment granules. A–CLM images with regard to the cerebral eye (dashed arrows), frontal aggregations and streams of pigment granules (normal arrows) A Distinct frontal aggregations of pigment granules present, cerebral eye of normal size (S. triophthalma) B Frontal aggregations and streams of pigment granules are absent, cerebral eye of normal size (S. pectinata) C distinct streams of pigment granules are present, large cerebral eye (S. baltica). Scale bar: 20 µm.
Figure 12 from: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435
Figure 12 Dorsal antenna. A, B REM images of the basal opening of the dorsal antenna A slit-shaped (S. pectinata) B round (S. tremula). Scale bar: 10 µm.
Figure 1 from: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435
Figure 1 Species of Synchaeta from freshwater habitats. AS. pectinataBS. grandisCS. oblongaDS. tremulaES. tremuloidaFS. prominulaGS. kitinaHS. stylataIS. longipesJS. verrucosaKS. lakowitzianaLS. pachypoidaMS. pachypoda. Drawings modified from: F, L, MKutikova and Vassiljeva (1982)JJersabek et al. (2003b)KLucks (1930). Scale bar: 100 µm.
Figure 5 from: Guerrero-Jiménez G, Vannucchi PE, Silva-Briano M, Adabache-Ortiz A, Rico-Martínez R, Roberts D, Neilson R, Elías-Gutiérrez M (2019) Brachionus paranguensis sp. nov. (Rotifera, Monogononta), a member of the L group of the Brachionus plicatilis complex. ZooKeys 880: 1-23. https://doi.org/10.3897/zookeys.880.28992
Figure 5 Types of eggs in B. paranguensis sp. nov. SEM micrographs of the different types of eggs of B. paranguensis sp. nov. A resting egg from field samples and its special ornamentation and zoom of its membrane, see arrows (A.a, A.b) B parthenogenetic egg and C unfertilized sexual egg, both from cultured samples. Scale bars: 20 µm
Figure 6 from: Guerrero-Jiménez G, Vannucchi PE, Silva-Briano M, Adabache-Ortiz A, Rico-Martínez R, Roberts D, Neilson R, Elías-Gutiérrez M (2019) Brachionus paranguensis sp. nov. (Rotifera, Monogononta), a member of the L group of the Brachionus plicatilis complex. ZooKeys 880: 1-23. https://doi.org/10.3897/zookeys.880.28992
Figure 6 Trophi components of B. paranguensis sp. nov. SEM pictures of the trophi components of B. paranguensis sp. nov., collected in June 27, 2015 A ventral view B dorsal view C rami and fulcrum D manubrium E satellites F unco and sub uncus ar: articulation of manubrium, m: membrane; ma: manubrium with posterior claw, see arrow (D); mmc: manubrium middle crest, see arrow (D); rr: reinforced ridge; st: satellites, see arrow (E); su: sub uncus; u: uncus.: b: basifenestras, see arrow (C); f: fulcrum, see arrow (C); mc: manubrium cavities; ra: rami, and projections of the posterior portion of the rami, see arrow (C)). Scale bars: 10 µm.
Figure 4 from: Guerrero-Jiménez G, Vannucchi PE, Silva-Briano M, Adabache-Ortiz A, Rico-Martínez R, Roberts D, Neilson R, Elías-Gutiérrez M (2019) Brachionus paranguensis sp. nov. (Rotifera, Monogononta), a member of the L group of the Brachionus plicatilis complex. ZooKeys 880: 1-23. https://doi.org/10.3897/zookeys.880.28992
Figure 4 Taxonomic features of B. paranguensis sp. nov. A parthenogenetic female with lateral antennae (LA), gastric glands (gg), an U-shape sinus (us) B anterior dorsal and ventral spines taken by LM and SEMC lorica with an orange peel like surface D foot aperture E lateral antenna (see arrow) FSEM microphotographs of the female, ventral plate and G dorsal plate and H male. Scale bars: 50 µm (A, B, D, F, G, H), 10 µm (C, E). All females from sample collected in June 27, 2015. Males from cultures obtained from females collected in the volcanic maar Rincón de Parangueo.
Figure 3 from: Guerrero-Jiménez G, Vannucchi PE, Silva-Briano M, Adabache-Ortiz A, Rico-Martínez R, Roberts D, Neilson R, Elías-Gutiérrez M (2019) Brachionus paranguensis sp. nov. (Rotifera, Monogononta), a member of the L group of the Brachionus plicatilis complex. ZooKeys 880: 1-23. https://doi.org/10.3897/zookeys.880.28992
Figure 3 Map of the studied area. Sequence of pictures of the volcanic maar Rincón de Parangueo from 1993 to 2015, showing how the lake gradually desiccated. The arrow indicates the water pond where B. paranguensis sp. nov., was found (digital pictures downloaded from INEGI 2019).
Figure 2 from: Guerrero-Jiménez G, Vannucchi PE, Silva-Briano M, Adabache-Ortiz A, Rico-Martínez R, Roberts D, Neilson R, Elías-Gutiérrez M (2019) Brachionus paranguensis sp. nov. (Rotifera, Monogononta), a member of the L group of the Brachionus plicatilis complex. ZooKeys 880: 1-23. https://doi.org/10.3897/zookeys.880.28992
Figure 2 Comparison of COI and ITS1 LM trees focusing on the L4 group. COI and ITS1 Maximum Likelihood trees representing the four L groups of the Brachionus plicatilis complex and one outgroup species Brachionus rotundiformis. Focus is placed upon B. paranguensis sp. nov. L4 clade (grey shading) where details of the origin of each haplotype are given; all the other species are collapsed. Dotted lines between haplotypes indicate COI and ITS1 sequences that were sourced from the same individuals. Numbers at nodes represent support values (bootstrap = 1000). A list of references for each haplotype within the L4 group is provided.
Figure 1 from: Guerrero-Jiménez G, Vannucchi PE, Silva-Briano M, Adabache-Ortiz A, Rico-Martínez R, Roberts D, Neilson R, Elías-Gutiérrez M (2019) Brachionus paranguensis sp. nov. (Rotifera, Monogononta), a member of the L group of the Brachionus plicatilis complex. ZooKeys 880: 1-23. https://doi.org/10.3897/zookeys.880.28992
Figure 1 Different types of measurements. Dorsal view with the strokes of how anterior spines were measured according to AFu et al. (1991) and BCiros-Pérez et al. (2001).
Figure 1. A in Interesting rotifers (Rotifera: Eurotatoria) from a subtropical wetland of Meghalaya, Northeast India: new records
Figure 1. A) Map of India showing Meghalaya state; B) District map of Meghalaya showing Shillong (East Khasi hills district). Table. Variations in some basic abiotic parameters.
Figures 2–9. 2 in Interesting rotifers (Rotifera: Eurotatoria) from a subtropical wetland of Meghalaya, Northeast India: new records
Figures 2–9. 2- Colurella tesselata (Glascott) (lateral view); 3- Lecane stichaea Harring (ventral view); 4- Gastropus minor (Rousselet) (lateral view); 5- Stephanoceros fimbriatus (Goldfusz) (lateral view); 6- Dissotrocha aculeata (Ehrenberg) (lateral view); 7- Lecane dorysimilis Trinh Dang, Segers & Sanoamuang (dorsal view); 8- Cupelopagis vorax (Leidy) (lateral view); 9- Cupelopagis vorax (Leidy) (trophi).
SUPPLEMENTARY FIGURE 2 in Descriptions of three new species of Philodinida (Rotifera, Bdelloidea) from Korea
SUPPLEMENTARY FIGURE 2. BLAST result for the partial CO1 sequence of Habrotrocha microcornis n. sp.
SUPPLEMENTARY FIGURE 3 in Descriptions of three new species of Philodinida (Rotifera, Bdelloidea) from Korea
SUPPLEMENTARY FIGURE 3. BLAST result for the partial CO1 sequence of Philodina undulata n. sp.
SUPPLEMENTARY FIGURE 1 in Descriptions of three new species of Philodinida (Rotifera, Bdelloidea) from Korea
SUPPLEMENTARY FIGURE 1. BLAST result for the partial CO1 sequence of Habrotrocha changhoi n. sp.
Linked collectors and determiners for: RBINS Rotifera collection.
Natural history specimen data linked to collectors and determiners held within, "RBINS Rotifera collection". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/9a299fb1-fe2b-4b0e-a724-5c6a43abc73a">https://bionomia.net/dataset/9a299fb1-fe2b-4b0e-a724-5c6a43abc73a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/9a299fb1-fe2b-4b0e-a724-5c6a43abc73a">https://gbif.org/dataset/9a299fb1-fe2b-4b0e-a724-5c6a43abc73a</a>. Formatted as a Frictionless Data package.
FIGURE 1. Pentatrocha gigantea n. gen., n in Diversity of cryptic Metazoa in Australian freshwaters: a new genus and two new species of sessile rotifer (Rotifera, Monogononta, Gnesiotrocha, Flosculariidae)
FIGURE 1. Pentatrocha gigantea n. gen., n. sp. a: dorsal, b: lateral view.
Figures 2 from: Segers H, Luo Y (2013) On Pulchritia new genus, with a reappraisal of the genera of Trichotriidae (Rotifera, Monogononta). ZooKeys 342: 1-12. https://doi.org/10.3897/zookeys.342.5948
Figures 2 - Pulchritia dorsicornuta gen. n., comb. n., a habitus, dorsal b habitus, ventral c–e trophi c unci and incus, frontal d incus, caudal e left manubrium, external. Scale bars: a–b= 100µm, c–e= 25µm.
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