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68 results for “Chelicerata”
FIG. 2 in First fossil Mecysmaucheniidae (Arachnida, Chelicerata, Araneae), from Lower Cretaceous (Uppermost Albian) amber of Charente-Maritime, France
FIG. 2. — Interpretive drawings of Archaemecys arcantiensis n. gen., n. sp.: A, dorsal view; B, ventral view. See text for explanation of abbreviations. Scale bar: 0.5 mm.
Figure 7 in Comparative anatomy of the mesosomal organs of scorpions (Chelicerata, Scorpiones), with implications for the phylogeny of the order
Figure 7. Lateral lymphoid organs of selected scorpion species. A, Hadrurus a. arizonensis Ewing, 1928: seminal receptacle, coxal glands, and tubes arising from diaphragm. B, Urodacus planimanus Pocock, 1893: enlarged tubes and planar ovariuterus. Abbreviations: cg, coxal glands; d, diaphragm; lo, lymphoid organs; sr, seminal receptacle (spermathecae); o, ovariuterus.
Figure 5 in Comparative anatomy of the mesosomal organs of scorpions (Chelicerata, Scorpiones), with implications for the phylogeny of the order
Figure 5. Ovariuterine follicles, depicting variation in shape: round follicles of apoikogenic scorpions (A–C); more elongated, thumb-like follicles of katoikogenic scorpions (D). A, Hadruroides charcasus (Karsch, 1879). B, Timogenes elegans (Mello-Leitão, 1931): ventral view showing small immature follicles and larger maturing follicles. C, Smeringurus mesaensis (Stahnke, 1961): showing the trophic network attached to ovariuterine tubule and completely covering the maturing follicle with the trophic lobe. D, Urodacus sp.: mature follicles. Abbreviations: f, maturing follicles; i, immature follicles; ot, ovariuterine tubule; p, pedicel; t, trophic network; tl, trophic lobe. Scale bars: 1 mm.
Figure 6 in Comparative anatomy of the mesosomal organs of scorpions (Chelicerata, Scorpiones), with implications for the phylogeny of the order
Figure 6. Variation in digestive gland: compact digestive gland (A); digitiform digestive gland (B); hemidigitiform digestive gland, showing compact dorsal part (C), and with compact dorsal part removed, showing ovariuterus lying over lobate ventral portion of gland (D). Developmental types: apoikogenic development (A); katoikogenic development (B–D). A, Smeringurus mesaensis (Stahnke, 1957): with part of digestive gland removed to expose ovariuterus. B, Opistophthalmus cavimanus Lawrence, 1928. C, D, Urodacus sp. Abbreviations: f, follicles; l, lobules of digestive gland; ot, ovariuterine tubule. Scale bars: 2 mm.
FIG. 7 in Checklist of the terrestrial and freshwater arthropods of French Polynesia (Chelicerata; Myriapoda; Crustacea; Hexapoda)
FIG. 7. — Raiateana oulietea Boulard, 1979 from Raiatea. Photograph: F. Jacq.
FIG. 4 in Checklist of the terrestrial and freshwater arthropods of French Polynesia (Chelicerata; Myriapoda; Crustacea; Hexapoda)
FIG. 4. — Misumenops melloleitaoi Berland,1942 from Tahiti.Photograph:F.Jacq.
FIG. 6 in Checklist of the terrestrial and freshwater arthropods of French Polynesia (Chelicerata; Myriapoda; Crustacea; Hexapoda)
FIG. 6. — Ischnura cardinalis Kimmins, 1929 from Taha'a. Photograph: F. Jacq.
FIG. 2 in Checklist of the terrestrial and freshwater arthropods of French Polynesia (Chelicerata; Myriapoda; Crustacea; Hexapoda)
FIG. 2. — Rhyncogonus sp. from Raiatea. Photograph: F. Jacq.
FIG. 8 in Checklist of the terrestrial and freshwater arthropods of French Polynesia (Chelicerata; Myriapoda; Crustacea; Hexapoda)
FIG. 8. — Rhynchium quinquecinctum tahitense de Saussure, 1867 from Taha'a. Photograph: F. Jacq.
Figure 6 in Population structure of Tachypleus tridentatus (Chelicerata: Merostomata) at a nursery beach in Puerto Princesa City, Palawan, Philippines
Figure 6. Age structure of juvenile population.
Figure 4 in Population structure of Tachypleus tridentatus (Chelicerata: Merostomata) at a nursery beach in Puerto Princesa City, Palawan, Philippines
Figure 4. Size–frequency distribution of the medium-sized individuals using a 0.1-cm interval size.
Figure 2 in Population structure of Tachypleus tridentatus (Chelicerata: Merostomata) at a nursery beach in Puerto Princesa City, Palawan, Philippines
Figure 2. Size–frequency distribution of all individuals and exuviae using a 0.2-cm interval size.
Figure 5 in Population structure of Tachypleus tridentatus (Chelicerata: Merostomata) at a nursery beach in Puerto Princesa City, Palawan, Philippines
Figure 5. Size–frequency distribution of the largest individuals using a 0.3-cm interval size.
Figure 9 in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 9. Frequency distributions of distances from (A) the nearest sea grass beds and (B) the nearest oyster beds where juvenile Tachypleus tridentatus individuals were obtained in the study area.
Figure 7 in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 7. Temporal variations in the distribution of juvenile Tachypleus tridentatus individuals downshore from the shoreline at Stations E, F and H with means and standard deviations also shown.
Figure 8 in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 8. Frequency distributions of (A) sediment temperature, (B) salinity and (C) dissolved oxygen concentration of interstitial waters where juvenile Tachypleus tridentatus individuals were obtained in the study area.
Figure 5 in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 5. The spatial distribution of juvenile Tachypleus tridentatus individuals of different prosomal width ranges at Stations E, F and H.
Figure 6 in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 6. Temporal variations in the total abundance of juvenile Tachypleus tridentatus individuals at Stations E (Ɨ), F (-) and H (Δ).
Figure 2. A in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 2. A pictorial illustration of the sampling strategy adopted for the survey of juvenile horseshoe crabs at the eight stations. Sampling areas are indicated by grey rectangles.
Figure 1 in Spatial and temporal distributions of juvenile horseshoe crabs (Arthropoda: Chelicerata) approaching extirpation along the northwestern shoreline of the New Territories of Hong Kong SAR, China
Figure 1. (A) A map of Hong Kong showing the location of the study site in Deep Bay in the northwestern quadrant of the New Territories of Hong Kong. Also shown is the location of the cross-border bridge connecting Hong Kongat Pak Nai with mainland China at Shekou. (B) A more detailed map of the northwestern quadrant of Hong Kong showing the location of the eight sampling stations (A-H) in Deep Bay. Black areas denote mangrove stands, white ones oyster beds. Dotted lines represent streams in the study area.
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