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8,443 results for “gastropoda”
Figura 2 in Catálogo de las especies de Nudibranchia (Gastropoda: Heterobranchia) de la Colección de Moluscos del Museo de La Plata, Argentina
Figura 2. Procedencia geográfica de los ejemplares de Nudibranchia depositados en la Sección Malacológica del Museo de La Plata. Figure 2. Geographical origin of the Nudibranchia specimens deposited in the Malacological Section of the Museo de La Plata.
Figura 1 in Catálogo de las especies de Nudibranchia (Gastropoda: Heterobranchia) de la Colección de Moluscos del Museo de La Plata, Argentina
Figura 1. Número de ejemplares por familias de Nudibranchia depositados en la Sección Malacológica del Museo de La Plata. Figure 1. Number of specimens by families of Nudibranchia deposited in the Malacological Section of the Museo de La Plata.
Figuras 9 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 9. Spixia josei: sistema paleal disecado, escala: 2 mm. Abreviaciones: Are: abertura recto; Au: aurícula; Aus: abertura uréter secundario; Av: área vascular; Bcm: borde collar de manto; Cm: collar de manto; Cp: Cavidad pericárdica; Gp: glándula paleal; I: intestino; Pcm: Pliegue del collar del manto; R: Riñón; Re: Recto; Tp: techo del pulmón; Up: uréter primario; Us: ureter secundario; Vam: Vena aferente marginal; Vp: vena pulmonar; V: ventrículo; Zi: zona interrámica. Figures 9. Spixia josei: Ventral view of pallial system dissected out. Scale bar: 2 mm. Abbreviations: Are: rectum aperture; Au: auricle; Aus: secondary ureter opening; Av: vascular area; Bcm: mantle collar edge; Cm: mantle collar; Cp: pericardic cavity; Gp: pallial gland; I: intestine; Pcm: mantle collar fold; R: kidney; Re: Rectum; Tp: pulmonary roof; Up: primary ureter; Us: secondary ureter; Vam: marginal afferent vein; Vp: pulmonary vein; V: ventricle; Zi: interramus zone.
Figuras 4-8 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 4-8. Spixia josei: 4: vista general de protoconcha y primeras vueltas, escala: 100 mm. 5 - 6: hileras espirales periostracales, escala: 100 mm. 7: micro escultura entre hileras espirales, escala: 10 mm. 8: Mandíbula, escala: 100 mm. Figures 4-8. Spixia josei: 4: View from protoconch and first worls, scale bar: 100 mm. 5 - 6: spiral rows of periostracum, escala: 100 mm. 7: micro sculpture between spiral rows, scale bar: 10 mm. 8: Jaw, scale bar: 100 mm.
Figura 17 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figura 17. Variabilidad morfológica de S. josei: 17A: serie tipo donde se pueden observar diferentes vistas de las conchillas; 17B: Paratipos, escala: 2 mm. Figure 17: Morphological variability of S. josei: 17A: Type serie in different positions; 17B: Paratypes, scale bar: 2 mm.
Figures 16 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figures 16. Comparison of penis inner wall sculpture between S. josei with more similar species, scale bar: 2 mm.
Figuras 15 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 15. Comparación morfológica las especies más afines a S. josei: S. parodizi, escala: 5 mm, S. philippii, escala: 5 mm; S. josei, escala: 2 mm; S. tumulorum, escala: 5 mm, S. champaquiana, escala: 5 mm; S. profundidens, escala 5mm. Figures 15. Morphological comparison of S. josei with more similar species of the genus Spixia: S. parodizi, scale bar: 5 mm, S. philippii, scale bar: 5 mm; S. josei, scale bar: 2 mm; S. tumulorum, scale bar: 5 mm, S. champaquiana, scale bar: 5 mm; S. profundidens, scale bar 5mm.
Figuras 13-14. 13 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 13-14. 13: Hábitat de S. josei: Estación Macha, Depto. Totoral, Córdoba. 14: Mapa de distribución de S. josei en la provincia de Córdoba, Argentina, escala: 400 km, obtenida a través del programa DIVAS- GIS. Figures 13-14. 13: Habitat of S. josei: "Estación Macha", Totoral Political Department, Córdoba. 14: Distributional map of S. josei in Córdoba province, Argentina, scale bar: 400 km, using DIVAS-GIS.
Figuras 1-3 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 1-3. Spixia josei: 1: Ejemplar vivo; 2: Conchilla holotipo, escala: 2 mm. 3: Abertura holotipo. Figures 1-3. Spixia josei: Living specimen; 2: Holotype, scale bar: 2 mm. 3: Holotype, aperture.
Figuras 10-12 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 10-12. Spixia josei: Sistema reproductor disecado. 10: vista general, escala: 5 mm. 11: escultura de área peniana I, escala: 2 mm. 12: escultura de complejo fálico, escala: 5 mm. Abreviaciones: I) Ae: área de ensanchamiento; II) porción media proximal, III) porción media distal; IV) porción distal. A: atrio; Bc: bura copulatrix; CFCE: cámara de fertilización – complejo espermateca; Dbc: ducto de bursa copulatrix; Dh: ducto hermafrodita; Ep: epifalo; F: flagelo; Ga: glándula del albumen; Mr: Músculo retractor; Ol: oviducto libre; P: pene; Pi: piláster; Pep: papila del epifalo; Pp: pared peniana; Pr: próstata; U: útero Va: vagina; Vp: vaina peniana. Figures 10-12. Spixia josei: 10: View of reproductive system dissected out, scale bar: 5 mm. 11: sculpture of penis inner wall of area I, scale bar: 2 mm. 12: sculpture of phallic complex, scale bar: 5 mm. Abbreviations: I) Ae: widening area; II) proximal medial portion, III) distal medial portion; IV) distal portion. A: atrium; Bc: bursa copulatrix; CFCE: fertilization pouch-spermathecal complex; Dbc: bursa copulatrix duct; Dh: hermaphroditic duct; Ep: epiphallus; F: flagellum; Ga: albumen gland; Mr: retractor muscle; Ol: free oviduct; P: penis; Pi: pilaster; Pep: papilla of epiphallus; Pp: penis inner wall; Pr: prostate; U: uterus; Va: vagina; Vp: penial sheath.
Fig. 6 in Reproductive cycle of Bolinus brandaris (Gastropoda: Muricidae) in the Gulf of Gabès (southern Tunisia)
Fig. 6: Monthly variation in (A) general condition index (K) and (B) gonadosomatic index (GSI) of Bolinus brandaris. Data presented as mean ± SD.
Fig. 7 in Reproductive cycle of Bolinus brandaris (Gastropoda: Muricidae) in the Gulf of Gabès (southern Tunisia)
Fig. 7: Size at first sexual maturity (SL50) of (A) female and (B) male Bolinus brandaris, showing the proportion of ripe individuals (stage 3) as a function of shell length (grouped into 5 mm SL classes).
Fig. 4 in Reproductive cycle of Bolinus brandaris (Gastropoda: Muricidae) in the Gulf of Gabès (southern Tunisia)
Fig. 4: Photomicrographs of Bolinus brandaris male gonad maturation stages: (A) immature; (B) pre-active; (C) active; (D) ripe; (E) partially spent; (F) spent.
Fig. 3 in Reproductive cycle of Bolinus brandaris (Gastropoda: Muricidae) in the Gulf of Gabès (southern Tunisia)
Fig. 3: Photomicrographs of Bolinus brandaris female gonad maturation stages: (A) immature; (B) pre-active; (C) active; (D) ripe; (E) partially spent; (F) spent.
Fig. 2 in Reproductive cycle of Bolinus brandaris (Gastropoda: Muricidae) in the Gulf of Gabès (southern Tunisia)
Fig. 2: Variation in the sex ratio of Bolinus brandaris (A) during the study period (January – December 2007) and (B) according to specimen size (grouped into 5 mm SL classes). Asterisks denote samples with statistically unbalanced sex ratios (χ²-test): ns, not significant; *, P <0.05; **, P <0.01.
Fig. 1 in Reproductive cycle of Bolinus brandaris (Gastropoda: Muricidae) in the Gulf of Gabès (southern Tunisia)
Fig. 1: Map of the Gulf of Gabès (southern Tunisia) showing the sampling area (rectangle) for Bolinus brandaris.
Figuras 16 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 16. Comparación de esculturas de la pared peniana de S. josei con las especies más afines: escalas: 2 mm.
Fig. 2 in Testing the Species Status of the Chromodorid Nudibranch Goniobranchus aureopurpureus (Mollusca: Gastropoda)
Fig. 2. Goniobranchus aureopurpureus (Collingwood, 1881), ICHUM 6270 (A, B), and G. cf. variatus (Risbec, 1928), WAM S112548 (C). A, Dorsal view in living state; B, scanning electron micrograph showing lateral part of the radula; C, underwater photograph, dorsal view.
Fig. 1 in Testing the Species Status of the Chromodorid Nudibranch Goniobranchus aureopurpureus (Mollusca: Gastropoda)
Fig. 1. Bayesian phylogenetic tree based on concatenated COI (658 bp) and 16S (484 bp) sequences (1142 bp in total). Bayesian posterior probabilities> 0.90 and maximum-likelihood ultrafast bootstrap> 70% are shown near relevant branches. Fully supported branches (1.00 posterior probability/100% bootstrap) are indicated with thick lines. Species indicated with grey bars are those tested in the present study as to the species status. Sequences for Goniobranchus aureopurpureus are newly contributed in this study (indicated in bold).
FIGURE 8 in Deciphering "cryptic" nature of European rock-dwelling Pyramidula snails (Gastropoda: Stylommatophora)
FIGURE 8 Linear regressions of selected shell parameters in relation to climatic variables inferred from the population locations. Regression lines, 95% confidence intervals, Adj R2 values and P-values are shown.
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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)
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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.