Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
8,443
datasets available to search
ShareScore release 0.9.0
Dataset results
8,443 results for “gastropoda”
FIGURE 7 in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 7. Scanning electron micrographs of Dendronotus albopunctatus Robilliard, 1972 (LACM 172348, Vancouver, B.C.). A, Rachidian tooth (scale bar: 50µm). B, Lateral teeth (scale bar: 50µm). C, Outermost lateral teeth (scale bar: 50µm). D, Jaw (scale bar: 500µm).
FIGURE 5 in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 5. Schematic drawing of Dendronotus rachidian tooth. A, Generalized rachidian tooth showing regular spacing between inner and outer margins resulting in a parallel appearance. B, Rachidian tooth shape seen in D. regius sp. nov. and D. noahi sp. nov. where spacing between the margins increases towards the cusp.
FIGURE 4 in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 4. Drawing of the reproductive system of Dendronotus regius sp. nov. Scale bar: 1mm; am = ampulla, bc = bursa copulatrix, fglm = female gland mass, glp = glans preputium, ov = oviduct, p = penis, pr = prostate, rs = receptaculum seminis, vd = vas deferens, vg = vagina.
FIGURE 2. A–I in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 2. A–I, Scanning electron micrographs of Dendronotus regius sp. nov. A, Oral tentacles (CASIZ 097622, scale bar: 30µm). B, Rhinophores (CASIZ 097622, scale bar: 100µm). C, First dorsolateral process (CASIZ 097622, scale bar: 20µm). D, Right jaw (CASIZ 097622, scale bar: 30µm). E, Denticles on masticatory border of the jaw (CASIZ 097622, scale bar: 10µm). F, Cuticular ridge that forms prehensile collar in front of jaws (CASIZ 087543, scale bar: 10µm). G, Rachidian tooth (CASIZ 097622, scale bar: 2µm). H, Right half-rows of radular teeth (CASIZ 087013, scale bar: 3µm). I, Penis (CASIZ 087013, scale bar: 20µm).
FIGURE 1. Living animals. A–C in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 1. Living animals. A–C, Dendronotus regius sp. nov. A, Indonesia, Sulawesi, Bunaken Island, Photo: P. Fiene. B, Indonesia, Bali, Seraya Beach, Photo: E. Huang. C, Philippines, Anilao, Kirby's Rock, Photo: R. Izumi. D, Dendronotus noahi sp. nov. Papua New Guinea, Bagabag Island, Photo: T.M. Gosliner. E–F, Dendronotus gracilis Baba, 1949. Japan, Okinawa, Photo: R. Bolland.
FIGURE 6. A–B in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 6. A–B, Scanning electron micrographs of Dendronotus noahi sp. nov. (CASIZ 075085). A, Rachidian teeth (scale bar: 2µm). B, Lateral teeth (scale bar: 2µm). C–G, Scanning electron micrographs of Dendronotus gracilis Baba, 1949 (CASIZ 174950). C, Right half-rows of radular teeth (scale bar: 10µm). D, Ventral view of the rachidian tooth (scale bar: 3µm). E, Right jaw (scale bar: 20µm). F, Masticatory border showing denticulation (scale bar: 10µm). G, Rodlets on cuticle of masticatory border (scale bar: 3µm).
FIGURE 15. Dendronotus rufus O in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 15. Dendronotus rufus O'Donoghue, 1921 (LACM 174876, WA). A, Rachidian tooth (scale bar: 100µm). B, Lateral teeth (scale bar: 100µm). C, Masticatory border of the jaw (scale bar: 300µm). D, Detail of the masticatory bor- der of the jaw (scale bar: 100µm).
FIGURE 9. Dendronotus dalli Bergh, 1879 in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 9. Dendronotus dalli Bergh, 1879 (CAS 068459, Point Barrow, AK). A, Rachidian tooth (scale bar: 100µm). B, Lateral teeth (scale bar: 100µm). C, Detail of one lateral tooth showing denticulation (scale bar: 20µm). D, Jaw (scale bar: 1mm).
FIGURE 3. A–D in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 3. A–D, Light microscopical images of Dendronotus regius sp. nov. (x40). A–C, Masticatory border with cuticular ridge. D, Blunt rodlets fraying out from the cuticle covering the masticatory border.
FIGURE 11. A–D in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 11. A–D. Dendronotus frondosus (Ascanius, 1774) (LACM 174860, Scotland). A, Rachidian teeth (scale bar: 50µm). B, Lateral teeth (scale bar: 50µm). C, Outermost lateral teeth (scale bar: 50µm). D, Jaw (scale bar: 1mm). E–F (LACM 174850 Redondo Canyon, CA). E, Younger portion of radula showing rachidian and lateral teeth (scale bar: 50µm). F, Jaw (scale bar: 1mm).
FIGURE 8. Dendronotus albus MacFarland, 1966 in Description of the first two tropical Indo-Pacific species of Dendronotus (Gastropoda: Nudibranchia) with new data of the poorly known species Dendronotus gracilis Baba, 1949
FIGURE 8. Dendronotus albus MacFarland, 1966 (LACM 174845, San Luis Obispo, CA). A, Rachidian teeth (scale bar: 50µm). B, Inner lateral teeth (scale bar: 30µm). C, Outermost lateral teeth (scale bar: 20µm). D, Jaw (scale bar: 500µm).
FIGURE 2 in Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)
FIGURE 2. Discus (Canaridiscus) laurisilvae sp. nov., dissected genital system; A, genital system unfolded, a connective tissue sheet covers the vas deferens locally at the atrium; B, details of the distal zone of the genital system, the tissue sheet at the vas deferens was partly removed; C, penis at early stage of dissection; D, detail of pedunculus and the oviduct; at, atrium; ag, albumen gland; bc, bursa copulatrix; hd, hermaphroditic duct; ov, free oviduct; p, penis; ped, pedunculus; rp, penis retractor muscle; spov, spermoviduct; t, talon; v, vagina; vd, vas deferens.
FIGURE 1. A in Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)
FIGURE 1. A, Discus (Canaridiscus) laurisilvae sp. nov., shell of the holotype; B, shell of Discus (Canaridiscus) saproxylophagus (Alonso, G. Holyoak & Yanes 2011); La Gomera, Bosque del Cedro, leg. M. Klemm, 17th February 1992; C, locus typicus of Discus laurisilvae sp. nov. near the chapel Ermita de Nuestra Señora de Lourdes; D, Discus laurisilvae sp. nov., umbilicus of a paratype (magnified); E, umbilicus of Discus saproxylophagus (magnified).
FIGURE 3 in Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)
FIGURE 3. Scatter plot of shell characters of D. laurisilvae sp. nov. and D. saproxylophagus. The different symbols represent measurement values of the variables umbiculus diameter (UD) and shell diameter (SDi).
PLATE 1 in Terebra limatula Dall,1889 and T. acrior Dall, 1889 (Gastropoda: Terebridae); two problematic taxa from the western Atlantic
PLATE 1. Terebra limatula "var. acrior" Dall, 1889. Mayagüez. USNM 159689 Harbor, Puerto Rico, 21.3 mm. Specimen figured by Dall & Simpson, 1901, pl. 57, fig. 6. 2a, 2b. Terebra limatula Dall, 1889. Lectotype, U. S. Fish Commission Station 2402, in the Gulf of Mexico, between the delta of the Mississippi and Cedar Key, Florida., in 111 fms. 3. Terebra crassireticulata Simone & Verissimo, 1995. Holotype MZUSP 27930; slope off Ubatuba, São Paulo, Brazil, 320 m, 25mm. 4. Terebra limatula Dall, 1889. Off Alabama, 29º 28' N, 87º 27.30'W; in 173 m, 8.7 mm (EFG 14650). 5. Terebra limatula Dall, 1889. Bahía de Campeche, Mexico, 20º51.16'N, 92º26.28'W, in 93–94 m (EFG 26290). 6a, 6b. Terebra limatula "var. acrior" Dall, 1889. Paralectotype, ANSP 33723, Bimini, Bahamas, 9.3 mm 7. Terebra acrior Dall, 1889. Syntype, USNM 87294; Barbados,`100 fms, 8 mm. Images from Kaicher (card No. 2710). 8a, 8b. Terebra limatula var, acrior Dall, 1889. Syntype, MCZ 7015, Campeche Bank Mexico, 23º13'N, 89º16'W, in 84 fms, 7.4 mm 9a,9b. Terebra acrior Dall,1889. Off Alabama, 29º14'N, 88º 16' W; in 100 m, 7.8 mm (EFG 14597). 10. Terebra acrior Dall, 1889. SW of Key West, Florida, in 135 m (EFG 28313).
FIGURE 18. A1–A2 in The Columbellidae (Gastropoda, Buccinoidea) in the Miocene Paratethys Sea—striking diversity of a negelected group
FIGURE 18. A1–A2. Astyris sarmatica (Kojumdgievam 1969), NHMW2020/0156/0001, Kronberg (Austria). 8 B. Asytris? agenta Harzhauser & Kowalke, 2002, NHMW2001z0058/0001, holotype, St. Margarethen (Austria). C2–C2. Astyris? agenta Harzhauser & Kowalke, 2002, NHMW2001z0059/0001a, paratype, St. Margarethen (Austria).
FIGURE 19 in The Columbellidae (Gastropoda, Buccinoidea) in the Miocene Paratethys Sea—striking diversity of a negelected group
FIGURE 19. Principal Component Analysis (PCA) based on shell ratios and apical angle (SL/MD, AL/AW, SL/LWH, LWH/ AH and AA). A. Scatter of all measured specimens. B. Cluster defining genus groups. Abbreviations: age: Astyris? agenta Harzhauser & Kowalke, 2002, aus: Auingeria austriaca (Hoernes & Auinger, 1880), bel: Auingeria bellardii (Hoernes, 1852), bit: "Mitrella" bittneri (Hoernes & Auinger, 1880), bro: Thiarella bronni (Mayer, 1869), buc: Defensina bucciniformis (Hoernes & Auinger, 1880), com: Mitrella complanata (Sacco, 1890), con: Orthurella convexula Sacco, 1904, dac: Mitrella dacica nov. sp., dem: Mitrella demaintenonae nov. sp., duj: Martaia dujardini (Hoernes & Auinger, 1880), elo: Mitrella elongatissima nov. sp., emb: Bellacolumbella embryonalis (Boettger, 1902), fal: Mitrella fallax (Hoernes & Auinger, 1880), gue: Costoanachis guembeli (Hoernes & Auinger, 1880), gru: Auingeria grussbachensis (Csepreghy-Meznerics, 1969), hau: Scabrella haueri (Hoernes & Auinger, 1880), hil: Mitrella hilberi (Cossmann, 1901), kar: Bellacolumbella karreri (Hoernes & Auinger 1880), kat: Bellacolumbella katharinae (Hoernes & Auinger, 1880), kor: Graphicomassa korytnicensis (Bałuk, 1995), lat: Costoanachis latecostata (Boettger, 1902), may: Columbella mayeri Hoernes, 1856, mor: Orthurella moravica (Hoernes & Auinger, 1880), pet: Mitrella petersi (Hilber, 1879), pol: Graphicomassa polonica (Pusch, 1837), sar: Astyris sarmatica (Kojumdgieva, 1969), sop: Clinurella sophiae Boettger, 1902, sph: Zafrona sphaerocorrugata nov. sp., vie: Mitrella viennensis nov. sp., zit: Martaia zitteli (Hoernes & Auinger, 1880).
FIGURE 17. A1–A2 in The Columbellidae (Gastropoda, Buccinoidea) in the Miocene Paratethys Sea—striking diversity of a negelected group
FIGURE 17. A1–A2. Bellacolumbella embryonalis (Boettger, 1902), SMF 360676, lectotype, Coşteiu de Sus (Romania). B1–B2. Bellacolumbella embryonalis (Boettger, 1902), SMF 360676, paralectotype, Coşteiu de Sus (Romania). C1–C2. Bellacolumbella karreri (Hoernes & Auinger 1880), NHMW1869/0001/0166b, paralectotype, Baden (Austria), D1–D2. Bellacolumbella karreri (Hoernes & Auinger 1880), NHMW1846/0037/0147, lectotype, Baden (Austria). E. Bellacolumbella karreri (Hoernes & Auinger 1880), NHMW1846/0037/0147a, paralectotype, Baden (Austria): F1–F2. Bellacolumbella karreri (Hoernes & Auinger 1880), NHMW1869/0001/0166a, paralectotype, Baden (Austria). G1–G2. Bellacolumbella katharinae (Hoernes & Auinger, 1880), NHMW1865/0001/0645a, lectotype, Sedlec (the Czech Republic). H1–H2. Bellacolumbella katharinae (Hoernes & Auinger, 1880), NHMW1865/0001/0645b, paralectotype, Sedlec (the Czech Republic). I1–I2. Bellacolumbella katharinae (Hoernes & Auinger, 1880), NHMW1859/0019/0084, paralectotype, Sedlec (the Czech Republic).
FIGURE 14. A1–A2 in The Columbellidae (Gastropoda, Buccinoidea) in the Miocene Paratethys Sea—striking diversity of a negelected group
FIGURE 14. A1–A2. Thiarella bronni (Mayer, 1869), NHMW1864/0040/1123b, SL: 18.1 mm, MD: 6.6 mm, Borač (Boratsch) (the Czech Republic). B1–B2. Thiarella bronni (Mayer, 1869), NHMW1864/0040/1123a, Borač (Boratsch) (the Czech Republic). C1–C2. Thiarella bronni (Mayer, 1869), NHMW1855/0045/0045a, Hlohovec (the Czech Republic). D1–D2. Zafrona sphaerocorrugata nov. sp., NHMW 1866/0001/0814a, holotype, Niederleis (Austria). E. Zafrona sphaerocorrugata nov. sp., NHMW1866/0001/0814b, paratype, Niederleis (Austria). F1–F2. Zafrona sphaerocorrugata nov. sp., NHMW1866/0001/0814b, paratype, Niederleis (Austria). G1–G2. Scabrella haueri (Hoernes & Auinger, 1880), NHMW1863/0015/0632a, lectotype, Niederleis (Austria). H1–H2. Scabrella haueri (Hoernes & Auinger, 1880), NHMW1863/0015/0632b, paralectotype, Niederleis (Austria). I1–I2. Scabrella haueri (Hoernes & Auinger, 1880), NHMW1863/0015/0632, paralectotype, Niederleis (Austria).
FIGURE 13A1–A2. OrthurellaconvexulaSacco,1904,NHMW1937 in The Columbellidae (Gastropoda, Buccinoidea) in the Miocene Paratethys Sea—striking diversity of a negelected group
FIGURE 13A1–A2. OrthurellaconvexulaSacco,1904,NHMW1937/0002/0277,BadVöslau (Austria).B1–B2.Orthurellaconvexula Sacco, 1904, NHMW1846/0037/0271, Baden (Austria). C1–C2. Orthurella convexula Sacco, 1904, NHMW1856/0024/0013, Lăpugiu de Sus (Romania). D1–D2. Orthurella moravica (Hoernes & Auinger, 1880), NHMW1861/0011/0519a, paralectotype, Jaroměřice nad Rokytnou (the Czech Republic). E1–E2. Orthurella moravica (Hoernes & Auinger, 1880), NHMW1861/0011/ 0519b, lectotype, Jaroměřice nad Rokytnou (the Czech Republic). F1–F2. Orthurella moravica (Hoernes & Auinger, 1880), NHMW2020/0159/0001, paralectotype, Jaroměřice nad Rokytnou (the Czech Republic), G1–G2. Clinurella sophiae Boettger, 1902, SMF 360681, lectotype, Coşteiu de Sus (Romania). H1–H2. Orthurella convexula Sacco, 1904, NHMW1858/0043/0017, Lăpugiu de Sus (Romania). I. Orthurella moravica (Hoernes & Auinger, 1880), NHMW2020/0159/0002, paralectotype, Jaroměřice nad Rokytnou (the Czech Republic).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.