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516 results for “1821”
Figure 14 from: Salazar-Vallejo S, Sendall K (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286: 1-74. https://doi.org/10.3897/zookeys.286.4438
Figure 14 - Sternaspis spinosa Sluiter, 1882, Neotype (NHM 1889.6.15.52, No. 36) A Complete, ventral view B Same, anterior end, exposed, oblique lateral view C Same, ventro-caudal shield. Bars: A 1.4 mm B 1.0 mm C 0.8 mm.
Figure 13 from: Salazar-Vallejo S, Sendall K (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286: 1-74. https://doi.org/10.3897/zookeys.286.4438
Figure 13 - Sternaspis scutata (Ranzani, 1817), neotype (RBCM 005-140-001) A Anterior end, ventral view B Same, chaetae of first three chaetigers C Same, ventro-caudal shield D Paraneotype, ventro-caudal shield, oblique lateral view showing chaetal bundles E Neotype, posterior region, dorsal view F Another paraneotype, branchiae removed to show branchial plates G–I Non-type specimens (IRFA-STE 015), ventro-caudal shields. Bars: A 1.9 mm B 1.7 mm C, D, F 0.7 mm E, I 1.3 mm G 0.5 mm H 1.1 mm.
Figure 12 from: Salazar-Vallejo S, Sendall K (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286: 1-74. https://doi.org/10.3897/zookeys.286.4438
Figure 12 - Sternaspis rietschi Caullery, 1944, holotype (ZMA 1500) A Complete specimen, oblique, lateral view (insert: hooks from chaetiger 3) B Same, anterior end, frontal view C Ventro-caudal shield, pieces previously broken, frontal view. Bars: A 0.5 mm B: 1 mm C 1.3 mm.
Figure 11 from: Salazar-Vallejo S, Sendall K (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286: 1-74. https://doi.org/10.3897/zookeys.286.4438
Figure 11 - Sternaspis maior Chamberlin, 1919 A Neotype (UNAM 7882), ventral view B Same, lateral view C Same, anterior end, frontal view D Same, ventro-caudal shield E Paraneotype (UNAM Sta. 13), ventro-caudal shield F Paraneotype (UNAM Sta. 13, OH), ventro-caudal shield G Paraneotype (UNAM 7881), ventro-caudal shield. Sternaspis princeps Selenka, 1885, syntypes (NHM 1885.12.3.1) H Larger syntype, median region showing gonopodial lobes I Smaller syntype, ventro-caudal shield, frontal view. Bars: A 1.9 mm B 2 mm C 1 mm D 1.4 mm E 1.3 mm F 1.5 mm G 2.5 mm H, I 1.2 mm.
Figure 10 from: Salazar-Vallejo S, Sendall K (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286: 1-74. https://doi.org/10.3897/zookeys.286.4438
Figure 10 - Sternaspis islandica Malmgren, 1867, syntypes (SMNH 5135) A Complete syntype, ventral view B Same, anterior end, frontal view C Same, ventro-caudal shield D Same, posterior region, dorsal view E Non-type specimen (ZMUC), with darker, blackish shield F–H Ventro-caudal shield of other non-type specimens (MNHN). Bars: A 1.2 mm B 1.4 mm C, D 1.3 mm F 0.7 mm G–H 1 mm.
Figure 1 from: Salazar-Vallejo S, Sendall K (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286: 1-74. https://doi.org/10.3897/zookeys.286.4438
Figure 1 - A Sternaspis sp. ventral view with some morphological features B Ventro-caudal shields of some Sternaspis species C Shield parts as herein proposed to distinguish different species (AD: anterior depression, FPP: fan posterior projection) (A modif. after Uschakov 1955, reproduced with permission; B–C modified after von Marenzeller 1890).
Figure 2 from: Mejdalani G, Cavichioli RR, Silva RS, Quintas V (2015) Rediscovery and redescription of the sharpshooter Kogigonalia incarnata (Germar, 1821) comb. n. (Hemiptera, Cicadellidae, Cicadellini) from the Atlantic Forest of Brazil, with a key to the species of the genus. ZooKeys 473: 137-146. https://doi.org/10.3897/zookeys.473.3037
Figure 2 - Kogigonalia incarnata (Germar, 1821), comb. n., female terminalia: a sternite VII, ventral view b sternite VII, lateral view c pygofer, lateral view d first valvifer and valvula, lateral view e dorsal sculptured area at basal portion f dorsal sculptured area at apical portion g apex h second valvula, lateral view i teeth at basal portion j teeth at median portion k teeth at apical portion. BHA = basal hyaline area; DEN = denticle; DSA = dorsal sculptured area; DUC = duct; LPR = lateral process of sternite VII; RAM = ramus; TOO = tooth; VID = ventral interlocking device; VLI = first valvifer. Scale bars: a, b, d, h = 2 mm, c = 1 mm.
Figure 3 from: Mejdalani G, Cavichioli RR, Silva RS, Quintas V (2015) Rediscovery and redescription of the sharpshooter Kogigonalia incarnata (Germar, 1821) comb. n. (Hemiptera, Cicadellidae, Cicadellini) from the Atlantic Forest of Brazil, with a key to the species of the genus. ZooKeys 473: 137-146. https://doi.org/10.3897/zookeys.473.3037
Figure 3 - a–c color variation in Kogigonalia incarnata (Germar, 1821), comb. n., body, dorsal view: a–b male and female syntypes, respectively, from the state of Bahia, northeastern Brazil (Museum für Naturkunde, Universität Humboldt, Berlin) c female from Brazil d–f Kogigonalia enola Young, 1977, male holotype from French Guiana (United States National Museum, Washington, D.C.): d body, dorsal view e paraphyses, dorsal view f aedeagus, lateral view. a–d reproduced, with permission, from Wilson et al. (2009) e–f redrawn from Young (1977). Scale bars = 5 mm.
Figure 1 from: Mejdalani G, Cavichioli RR, Silva RS, Quintas V (2015) Rediscovery and redescription of the sharpshooter Kogigonalia incarnata (Germar, 1821) comb. n. (Hemiptera, Cicadellidae, Cicadellini) from the Atlantic Forest of Brazil, with a key to the species of the genus. ZooKeys 473: 137-146. https://doi.org/10.3897/zookeys.473.3037
Figure 1 - Kogigonalia incarnata (Germar, 1821), comb. n. a crown, pronotum, and mesonotum, dorsal view. b–i male terminalia: b pygofer, lateral view c valve and subgenital plates, ventral view d subgenital plate, lateral view e connective and styles, dorsal view f aedeagus, lateral view g aedeagus, ventral view h paraphyses, dorsal view i paraphyses, lateral view. APR = aedeagal ventral process; PEM = emargination of subgenital plate. Scale bars: a = 2 mm, b, h, i = 1 mm, c–g = 0.5 mm.
Figure 6 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 6 - Muricea squarrosa Verrill, 1869a YPM 1561a. A Colony B Detail of branches C Sclerites, light micrograph.
Figure 4 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 4 - Muricea hispida Verrill, 1866 YPM 567. A, B Calycular and coenenchymal spindles C Axial sheath spindles D Anthocodial sclerites.
Figure 7 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 7 - Muricea squarrosa Verrill, 1869a YPM 1561a. A Calycular and coenenchymal spindles B Anthocodial sclerites C Axial sheath spindles.
Figure 2 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 2 - Muricea acervata Verrill, 1866 YPM 1791. A Calycular and coenenchymal spindles B, C Axial sheath spindles and radiates D Anthocodial sclerites.
Figure 11 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 11 - Swiftia pusilla (Nutting, 1909). A Fragment of the holotype B SEM sclerites. Photographs by S. Cairns (USNM).
Figure 10 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 10 - Muricea tubigera Verrill, 1869a YPM 807. A, B Calycular and coenenchymal spindles C, D Axial sheath spindles.
Figure 3 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 3 - Muricea hispida Verrill, 1866 YPM 567 A Colony B Detail of branches C Sclerites, light micrograph.
Figure 14 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 14 - Leptogorgia ruberrima (W. Koch, 1886), BM 1933-03-13-024. A Fragment of the holotype B Sclerites, light micrograph C SEM sclerites.
Figure 12 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 12 - Astrogorgia splendens (Thomson & Simpson, 1909), BM 1933.05.03.094. A Colony B Detail of branches C Sclerites, light micrograph.
Figure 1 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 1 - Muricea acervata Verrill, 1866 YPM 1791. A Colony B Detail of branches C Sclerites, light micrograph.
Figure 9 from: Breedy O, Guzman HM (2015) A revision of the genus Muricea Lamouroux, 1821 (Anthozoa, Octocorallia) in the eastern Pacific. Part I: Eumuricea Verrill, 1869 revisited. ZooKeys 537: 1-32. https://doi.org/10.3897/zookeys.537.6025
Figure 9 - Muricea tubigera Verrill, 1869a YPM 807. A Colony B Detail of branches C Sclerites, light micrograph.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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.