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1,093 results for “Gastropods”
Figure 3. A–K in New records of gastropods (Caenogastropoda and Heterobranchia) from the Turkish coasts with observations on some poorly known species
Figure 3. A–K. Pelseneeria minor: ventral (A) and dorsal (B) views of a specimen with its protoconch (C), A = B = 1.7 mm; Eatonina ochroleuca: ventral (D) and lateral (E) views of a specimen and its protoconch (F), D = E = 1.2 mm; Eatonina pumila: ventral view of a specimen, G = 1.1 mm; Setia amabilis: ventral (H, J) and lateral (I) views of two specimens and the protoconch (K) of the specimen H, H = I = 2.2 mm; J = 1.7 mm.
Figure 3 in Gastropod assemblages in the harsh environment of Mediterranean Dinaric karst intermittent rivers
Figure 3. Redundancy analysis (RDA) ordination biplot showing the relationships between freshwater gastropods (blue arrow symbols) and environmental variables (red arrow symbols) in four intermittent rivers in the Mediterranean, Croatia. Environmental variables: Water temperature (°C); Concentration of dissolved oxygen in water (O mg L−1); pH; Conductivity (μS cm−1); Water velocity (m s−1); Concentration of ortho-phosphates in 2 water (mg P L−1), Chemical oxygen demand (mg O L-1), Alkalinity (mg CaCO L-1).
Figure 2 in Gastropod assemblages in the harsh environment of Mediterranean Dinaric karst intermittent rivers
Figure 2. Freshwater gastropod assemblage metrics in four intermittent rivers in the Mediterranean, Croatia: a) taxa richness and b) log-transformed abundance shown as mean with standard deviation (SD).
Figure 1 in Gastropod assemblages in the harsh environment of Mediterranean Dinaric karst intermittent rivers
Figure 1. Map of the study area with photographs showing the examples of sampling sites at the four studied Mediterranean intermittent karst rivers, Croatia.
Figure 2 in A new genus and species of springsnails (Gastropoda: Hydrobiidae) from Northeastern Iran with some new records of freshwater gastropods
Figure 2. Photographs of sampling localities: A — IR10-2022, spring and springbrook near Haq-ol-Khayajeh village, Semnan Province, locus typicus of Khayajehia dianae n. gen. et n. sp. B — IR19-2022, pool near Chaman Bid, sampling site of Planorbis intermixtus. C — the outflow of the qanat in Garmeh city, sampling site of Ecrobia grimmi, Radix auricularia and Physa acuta. D — IR19-2022, saline pool at Feshanjerd-Gurpan-Esfarayen road, sampling site of Ecrobia grimmi. Photos by V. Pešić.
Figure 2 in Unusual shallow-water boreal gastropod species associations at the Northern part of Arctic archipelago Novaya Zemlya
Figure 2. Relations between gastropod fauna of Novaya Zemlya (green circle) with shallow water boreal (red circles) and Arctic (blue circles) faunas. "S" indicates value of Simpson's index.
Fig. 7 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 7. SEM images of protoconch features of conoidean gastropods from early Serravallian of western Ukraine, Varovtsi (A, C–F) and Horodok (B). A. Bela? robusta sp. nov., MGGC-24519/8. B. Pyrgocythara turrispiralata sp. nov., MGGC-24515/11. C. Raphitoma cf. R. ringicula (Boettger, 1902), MGGC-24522/5. D. Andonia sp. aff. A. transsylvanica (Hoernes and Auinger, 1890), MGGC 24523/2. E. Teretia cf. T. turritelloides Bellardi, 1847), MGGC-24524/5. F. Haedropleura sp. aff. H. septangularis (Montagu, 1803), MGGC-24520/6. Views: A1, B1, C–F, lateral; A2, B2, apical. Scale bars 0.1 mm.
Fig. 6 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 6. Photomicrographs of holotype shell of new conoidean gastropods from early Serravallian of western Ukraine, Varovtsi (A, B) and Horodok (C). A. Bela varovtsiana sp. nov., MGGC-24516. B. Bela? robusta sp. nov., MGGC-24518. C. Pyrgocythara turrispiralata sp. nov., MGGC-24514. Views: A1−C1, apertural; A2−C2, dorsal; A3−C3, lateral. Scale bars 1 mm.
Fig. 4 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 4. SEM images of protoconch features of new conoidean gastropods from early Serravallian of western Ukraine, Varovtsi (A–C, F) and Velyka Levada (E). A. Mangelia angulicosta sp. nov., MGGC 24506/6. B. Mangelia larga sp. nov., MGGC-24508/1. C. Mangelia larga sp. nov., MGGC-24508/7. D. Mangelia pseudorugulosa sp. nov., MGGC-24510/9. E. Mangelia odovychenae sp. nov., MGGC-24512/1. F. Bela varovtsiana sp. nov., MGGC-24517/5. Views: A1, B, D1−F1, lateral; A2, C, D2−F2, apical. Scale bars 0.1 mm.
Fig. 3 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 3. Photomicrographs of holotype shells of new conoidean gastropods from early Serravallian of western Ukraine, Varovtsi (A–C) and Velyka Levada (D). A. Mangelia angulicosta sp. nov., MGGC-24505. B. Mangelia larga sp. nov., MGGC-24507. C. Mangelia pseudorugulosa sp. nov., MGGC-24509. D. Mangelia odovychenae sp. nov., MGGC-24511. Views: A1−D1, apertural; A2−D2, dorsal; A3−D3, lateral. Scale bars 1 mm.
Fig. 2 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 2. Comparison of 10 assessed variables between allied taxa: sample mean, horizontal line; 95% confidence intervals (CI), shaded boxes; ranges, open boxes (specimen measurements in SOM 2). The mean sample is a point estimate of the population mean (μ), and the corresponding CI is a range of plausible values for μ. If two parameters have non-overlapping CI, they are considered to be significantly different. The 95% confidence interval is based on the standard error for the estimate of the mean and the t distribution. For extremely small samples (n <5; SOM 2) only ranges are reported (see Beninger et al. 2012). Abbreviations: M., Mangelia; B., Bela; P., Pyrgocythara; H., Haedropleura.
Fig. 1. A in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 1. A. Schematic map of Ukraine and the location of the study area. B. Distribution of the principal lithostratigraphic units in the area of study and location of the three sampled sites (asterisks).
Fig. 8 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 8. SEM images of shell features of conoidean gastropods from early Serravallian of western Ukraine, Horodok (A, B) and Varovtsi (C–J). A, B. Pyrgocythara turrispiralata sp. nov. A. MGGC-24515/11. B. MGGC-24515/9. C, D. Raphitoma cf. R. ringicula (Boettger, 1902). C. MGGC-24522/1. D. MGGC-24522/3. E, F. Andonia sp. aff. A. transsilvanica (Hoernes and Auinger, 1890). E. MGGC-24523/1. F. MGGC-24523/3. G, H. Teretia cf. T. turritelloides (Bellardi, 1847). G. MGGC-24524/3. H. MGGC-24524/5. I, J. Haedropleura sp. aff. H. septangularis (Montagu, 1803). I. MGGC-24520/6. J. MGGC-24520/11. Views: A1, C1, E1, G1, I1, apertural; B, D, E2, H, I2, dorsal; A2, C2, F, G2, J, lateral. Scale bars 1 mm.
Fig. 5 in Middle Miocene conoidean gastropods from western Ukraine (Paratethys): Integrative taxonomy, palaeoclimatogical and palaeobiogeographical implications
Fig. 5. SEM images of shell features of new conoidean gastropods from early Serravallian of western Ukraine, Varovtsi (A–E, I–M), Horodok (G), and Velyka Levada (F, H). A. Mangelia angulicosta sp. nov., MGGC-24506/6. B–D. Mangelia larga sp. nov. B. MGGC-24508/11. C. MGGC-24508/1. D. MGGC-24508/12. E. Mangelia pseudorugulosa sp. nov., MGGC-24510/9. F–H. Mangelia odovychenae sp. nov. F. MGGC-24512/1. G. MGGC- 24512/10. H. MGGC-24512/topotype. I–K. Bela varovtsiana sp. nov. I. MGGC-24517/8. J. MGGC-24517/5. K. MGGC-24517/6. L, M. Bela? robusta sp. nov. L. MGGC-24519/8. M. MGGC-24519/1. Views: A1–L1, B, F, I, apertural; A2−L2, C, G, J, dorsal; A3, D, E3, H, K, M, lateral. Scale bars 1 mm.
Fig. 1. A, B in Oligocene-Miocene freshwater gastropods from the Oltu-Narman Basin in eastern Turkey
Fig. 1. A, B. Geographic position of the investigated section at the northeastern margin of the Oltu-Narman Basin in Eastern Anatolia (A), and detailed map of the position of the Kömürlü section indicated by an arrowhead (B). Outline of the Oltu-Narman Basin after Bozkuş (1990); maps generated with Google Earth Version 7.3.1, Image © 2018 Digital Globe; image taken in 7/5/2010. C. Picture and sedimentological log of the Kömürlü section 40°46'14.74" N, 42°18'21.05" E, WGS84) with sample position.
Fig. 5 in Oligocene-Miocene freshwater gastropods from the Oltu-Narman Basin in eastern Turkey
Fig. 5. Physid (A, B) and planorbid (C–I) gastropods from upper Oligocene–lower Miocene Susuz Formation, Kömürlü, Turkey. A, B. Aplexa cf. subhypnorum Gottschick, 1920. A. NHMW 2018/0019/0020, in dorsal (A1) and apertural (A2) views; detail of sculpture (A3). B. NHMW 2018/0019/0021, in apertural view. C–E. Planorbarius cf. cornu (Brongniart, 1810). C. NHMW 2018/0019/0022, in apical view, specimen with characteristic protoconch microsculpture; C1 detail of C2. D. NHMW 2018/0019/0023, in apical view, specimen with prominent spiral cords. E. NHMW 2018/0019/0024, in lateral view. F–I. Gyraulus sp. F. NHMW 2018/0019/0025, in umbilical (F1), apical (F2), and lateral (F3) views. G. NHMW 2018/0019/0026, in umbilical (G1), apical (G2), and lateral (G3) views. H. NHMW 2018/0019/0027, in umbilical (H1) and apical (F2) views. I. NHMW 2018/0019/0028, in lateral view. Scale bars A1, A2, B, 5 mm; C1, 200 μm; A3, C2, D, E, 1 mm, F–I, 500 μm.
Fig. 3 in Oligocene-Miocene freshwater gastropods from the Oltu-Narman Basin in eastern Turkey
Fig. 3. Bithyniid gastropod Bithynia erzurumensis sp. nov. from the upper Oligocene–lower Miocene Susuz Formation, Kömürlü, Turkey. A. NHMW 2018/0019/0006, holotype in apertural view. B. NHMW 2018/0019/0007, paratype in apertural view. C. NHMW 2018/0019/0008, paratype in dorsal view. D. NHMW 2018/0019/0008, paratype in apertural view showing in situ operculum. E. NHMW 2018/0019/0010, paratype in apical view. F. NHMW 2018/0019/0012, outer surface of operculum. G. NHMW 2018/0019/0013, outer surface of operculum. H. NHMW 2018/0019/0014, inner surface of operculum. Scale bars 0.5 mm, if not stated otherwise.
Fig. 4 in Oligocene-Miocene freshwater gastropods from the Oltu-Narman Basin in eastern Turkey
Fig. 4. Valvatid gastropod Valvata koehleri sp. nov. from the upper Oligocene–lower Miocene Susuz Formation, Kömürlü, Turkey. A. NHMW 2018/0019/0018, paratype in apertural (A1), lateral (A2), apical (A3), and umbilical (A4) views. B. NHMW 2018/0019/0016, paratype in lateral (B1, B2), apical (B3), and umbilical (B4) views. C. NHMW 2018/0019/0017, paratype in lateral views (C1, C2); protoconch (C3). D. NHMW 2018/0019/0015, holotype in apical (D1), umbilical (D2), apertural (D3), lateral (D4), and dorsal (D5) views. Scale bars 2 mm, if not stated otherwise.
Fig. 2 in Oligocene-Miocene freshwater gastropods from the Oltu-Narman Basin in eastern Turkey
Fig. 2. Neritid gastropod Theodoxus susuzianus sp. nov. from the upper Oligocene–lower Miocene Susuz Formation, Kömürlü, Turkey. A. NHMW 2018/0019/0001, holotype in apertural (A1), oblique apical (A2), and dorsal (A3) views. B. NHMW 2018/0019/0002, paratype in apertural (B1) and oblique apical (B2) views; detail of protoconch (B3), arrowhead indicates transition into teleoconch. C. NHMW 2018/0019/0003, paratype in apertural C1) and oblique apical (C2) views. D. NHMW 2018/0019/0004, paratype in apertural (D1) and oblique apical (D2) views; details of sculpture (D3). Scale bars 2 mm, if not stated otherwise.
Fig. 11 in Predation by drilling gastropods and asteroids upon mussels in rocky shallow shores of southernmost South America: Paleontological implications
Fig. 11. Predation marks produced by Cosmasterias lurida (Philippi, 1858) in mussels under aquarium conditions. A. Brachidontes purpuratus (Lamarck, 1819), CEGH−UNC 25376, right and left valves in external view. B–E. Mytilus chilensis Hupé, 1854. B. CEGH−UNC 25377, right and left valve in external view. C. CEGH−UNC 25378, right and left valve in external view. D. CEGH−UNC 25379, right and left valve in external view. E. CEGH−UNC 25380, right valve in external view. F–H. Aulacomya atra (Molina, 1782). F. CEGH−UNC 25380, articulated specimen in ventral view. G. CEGH−UNC 25381, articulated specimen in ventral view. H. CEGH−UNC 25382, right and left valve in external view. I. Syn−vivo specimen of the sea star Cosmasterias lurida (Philippi, 1858). Scale bars 10 mm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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.