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8,443 results for “Gastropoda”
FIGURE 2 in Morphology and systematic position of Cingula tumidula G. O. Sars, 1878 (Gastropoda: Rissoidae)
FIGURE 2. Details of protoconch (A – D) and radula (E – F) of Pusillina tumidula. A – B. Eastern Barents Sea (Pechora Sea), 17.5 m, 69 ° 15.61 ' N, 57 ° 22.76 ' E, MMBI, no number; C. Franz Joseph Land, 44 m, 79 º 53.4 ' N, 51 º 26.06 ' E, MMBI, no number; D. White Sea, 85 m, 66 ° 20 ' N, 30 ° E (specimen with costae), ZIN 35667 / 2; E – F. Dalne-Zelenetskaya Bay, 59 m, 69 ° 07.92 ' N, 36 ° 05.45 ' E, MMBI, no number. Scales: A, C – D = 300 µm, В = 50 µm, E = 20 µm, F = 5 µm.
FIGURE 5 in Diaphorodoris alba Portmann & Sandmeier, 1960 is a valid species: molecular and morphological comparison with D. luteocincta (M. Sars, 1870) (Gastropoda: Nudibranchia)
FIGURE 5. The tree portrays the phylogenetic relationships based on the H 3 + COI + 16 S combined dataset. Numbers at nodes are Bayesian posterior probability (pp., left) and ML bootstrap support (bs., right), respectively.
FIGURE 2 in Diaphorodoris alba Portmann & Sandmeier, 1960 is a valid species: molecular and morphological comparison with D. luteocincta (M. Sars, 1870) (Gastropoda: Nudibranchia)
FIGURE 2. SEM images of the buccal apparatus from Diaphorodoris alba (A, C, E) and D. luteocincta (B, D, F) specimens at different magnification levels.
FIGURE 6 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 6: (A) Character 58. Penis sheath and retractor penis muscle (arrow). (B) Characters 59, 60. Inner wall sculpture in distal portion of the penis. (C) Character 61. Inner wall sculpture in proximal portion of the penis. (D) Characters 62-64. Inner wall sculpture in proximal portion of the penis. (E) Character 68. Inner wall sculpture in duct of bursa copulatrix. (F) Character 69. Inner wall sculpture in epiphallus. (G) Characters 71-73. Shape of bursa copulatrix duct in proximal, middle and distal portion. (H) Characters 70, 75-77. Shape of penis, position of penis retractor muscle and thickness and position of vas deferens. Abbreviations: I: number of area; II: number of area; bc: bursa copulatrix; bd: bursa copulatrix duct; dp: distal portion; mp: middle portion; p: penis; pp: proximal portion; ps: penis sheath; prm: penis retractor muscle; s: smooth inner wall; sf: straight folds; vd: vas deferent; zzf: zigzag folds.
FIGURE 5 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 5: Reproductive system dissected out. (A) Character 48. Length of bursa copulatrix duct in relation to spermoviduct length. (B) Characters 49, 54. Length of flagellum in relation to epiphallus length and external transition from epiphallus to penis. (C) Characters 50, 51. Inner wall sculpture of flagellum. (D) Character 52. Length of epiphallus in relation to penis length. (E) Character 53. Shape of epiphallus. (F) Characters 55, 56, 67. Phallic complex showing the thinning in the middle portion of penis and a vas deferens in relation to penis sheath. (G) Character 57. Length of penis sheath in relation to penis length. Abbreviations: bc: bursa copulatrix; bd: bursa copulatrix duct; dp: distal portion; ep: epiphallus; f: flagellum; p: penis; pp: proximal portion; ps: penis sheath; s: spermoviduct; t: thinner middle section.
FIGURE 4 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 4: Pallial system dissected out. (A) Character 38. Length of kidney in relation to total pulmonary roof length. (B) Characters 39, 40, 42. Degree of occlusion of secondary ureter. (C) Characters 40. Position of secondary ureter opening. Reproductive system dissected out. (D) Characters 43, 45, 46. Vagina inner wall sculpture. (E) Characters 47, 74. Shape and length of vagina in relation to penis length. Abbreviations: ap.su: aperture of secondary ureter; ia: interramus area; k: kidney; p: penis; pr: pulmonary roof; su: secondary ureter; v: vagina.
FIGURE 3 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 3: (A) Character 25. Lateral view of Bostryx martinezi (Hylton Scott, 1965) (0) and Bostryx willinki Weyrauch, 1964 (1). (B) Character 26. Lateral view of Bostryx pastorei (Holmberg, 1912) (0) and Bostryx peristomatus (Doering, 1879) (1). (C) Character 27. Ventral view of Bostryx roselleus Miranda & Cuezzo, 2014 (0) and Bostryx scaber (Parodiz, 1948) (1). (D) Characters 30-34. Microsculpture of protoconch of B. peristomatus (0) and B. scaber (1). (E) Character 35. Ventral view of the shell showing aperture in Bostryx torallyi (d'Orbigny, 1835) (0) and a presence of apertural teeth (arrow) in Plagiodontes daedaleus (Parodiz, 1946) (1). (F) Character 36. Lateral view of Bostryx mendozanus (Strobel, 1874) (0) and Bostryx solutus Troschel, 1847 (1), showing the presence of carina (arrow). (G) Character 37. Carina around of umbilicus in B. peristomatus (0) and around of whorl in Bostryx cuyanus (Pfeiffer, 1867) (1) (arrows). Abbreviations: as: axial sculpture; ss: spiral sculpture.
FIGURE 8 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 8: Optimal tree obtained from the matrix under implied weighting. Numbers within empty squares are node numbers. Symmetric Resampling support (left), Absolute (middle) and Relative (right) Bremer support scores are the numbers in below nodes. Black squares are synapomorphies.
FIGURE 7 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 7: Cladogram showing relationships of the Bostryx with Odontostomidae and remaining Bulimulidae. Numbers within empty squares are node numbers. Symmetric Resampling support (left), Absolute (middle) and Relative (right) Bremer support scores are the numbers in below nodes. Black squares are synapomorphies.
FIGURE 1 in CLADISTIC ANALYSIS OF THE ARGENTINIAN SPECIES OF THE GENUS BOSTRYX (GASTROPODA, STYLOMMATOPHORA) BASED ON MORPHOLOGICAL EVIDENCE
FIGURE 1: Continuous characters: Shell measurements. Abbreviations: ad: apertural diameter; ah: apertural height; ap: apertural perimeter; asa: apertural surface area; bwh: body whorl height; bwp: body whorl perimeter; bwsa: body whorl surface area; mad: major diameter; mid: minor diameter; ps: parietal space length; pwd: penultimate whorl diameter; pwh: penultimate whorl height; sh: spire height; sp: spire perimeter; ssa: spire surface area; th: total height; tp: total perimeter; tsa: total surface area.
Fig. 1 in The aquatic malacofauna (Gastropoda et Bivalvia) in the Bluntau Valley in the Federal State of Salzburg (Austria)
Fig. 1: (a) View into the Bluntau Valley with its larger lake positioned in the center; (b) Geographic map exhibiting the main water bodies of the Bluntau Valley as well as the 20 sampling locations defined for this study.
Fig. 3. A–B in A New Subspecies Of Amphidromus (Amphidromus) Atricallosus From Singapore (Mollusca: Gastropoda: Camaenidae)
Fig. 3. A–B, Live animal colouration: A, Amphidromus atricallosus temasek, new subspecies, holotype (ZRC.MOL.3058); B, Amphidromus atricallosus perakensis (Fulton, 1901), Pulau Tulai, West Malaysia. (Photographs by Tan Heok Hui)
Fig. 1. A in A New Subspecies Of Amphidromus (Amphidromus) Atricallosus From Singapore (Mollusca: Gastropoda: Camaenidae)
Fig. 1. A, Amphidromus atricallosus temasek, new subspecies: Holotype, SH 44 x SD 25.6 (ZRC.MOL.3058), Nee Soon Swamp Forest, Singapore; B–E Amphidromus atricallosus perakensis (Fulton, 1901): B, SH 45 x SD 26.4 (TSK 11041), Bukit Serdam, Pahang, West Malaysia; C, SH 47.1 x SD 25.3 (CBB), Tapah Hill, Perak, West Malaysia; D, SH 47.2 x SD 27.6 (ZRC.MOL.3064), Pulau Tulai, near Pulau Tioman, West Malaysia; E, SH 46.4 x SD 24.2 (ZRC.MOL.3062), Gunung Genting, Perak, West Malaysia; F, Amphidromus atricallosus atricallosus (Gould, 1843): SH 45 x SD 25.7 (CSY 409.4.4.16), Ranong, Thailand; G, Amphidromus atricallosus leucoxanthus (von Martens, 1864): SH 51 x SD 28.5 (CSY 409.3.49.1), Chantaburi, East Thailand.
FIG. 2 in Early Eocene Caenogastropods (Mollusca, Gastropoda) from Haymana-Polatl Basin, Central Anatolia (Turkey): taxonomy and palaeoecology
FIG. 2. — Correlation table between the time scales, stages and biozones for the Upper Paleocene-Lower Eocene chronostratigraphy (compiled from Berggren et al. 1985, 1995; Serra-Kiel et al. 1998; Berggren & Aubry 1998; Aubry 2000; Luterbacher et al. 2004; Pujalte et al. 2009a, b).
Figure 10. Spurilla neapolitana. A in The family Aeolidiidae Gray, 1827 (Gastropoda Opisthobranchia) from Brazil, with a description of a new species belonging to the genus Berghia Trinchese, 1877
Figure 10. Spurilla neapolitana. A, radular teeth (18-mm-long specimen, from Praia de Manguihos); scale bar = 100 Mm. B, smaller radular teeth of the same specimen; scale bar = 50 Mm. C, central cusp of some teeth. D, jaws; scale bar = 0.5 mm.
Figure 9 in The family Aeolidiidae Gray, 1827 (Gastropoda Opisthobranchia) from Brazil, with a description of a new species belonging to the genus Berghia Trinchese, 1877
Figure 9. Spurilla neapolitana: SEM images of the radula and jaws. A, radula of a specimen from Buzios; scale bar = 100 Mm. B, detail of the tooth of a specimen from Buzios; scale bar = 20 Mm. C, jaw of a specimen from El Grove; scale bar = 100 Mm. D, radula of a specimen from Huelva; scale bar = 10 Mm. E, detail of the tooth of specimen from Huelva; scale bar = 10 Mm. F, radula of a specimen from El Grove; scale bar = 100 Mm.
Figure 8. Living animals. A, B, Berghia verruciconnis from Huelva. C, Berghia columbina from Huelva. D, E, Spurilla neapolitana from Huelva. F in The family Aeolidiidae Gray, 1827 (Gastropoda Opisthobranchia) from Brazil, with a description of a new species belonging to the genus Berghia Trinchese, 1877
Figure 8. Living animals. A, B, Berghia verruciconnis from Huelva. C, Berghia columbina from Huelva. D, E, Spurilla neapolitana from Huelva. F, Spurilla neapolitana from El Grove.
Figure 7 in The family Aeolidiidae Gray, 1827 (Gastropoda Opisthobranchia) from Brazil, with a description of a new species belonging to the genus Berghia Trinchese, 1877
Figure 7. SEM images of the radulae and jaws. A, radula of Berghia marcusi sp. nov. (12-mm-long specimen, from Praia de Aramaçao); scale bar = 20 Mm. B, masticatory border of the jaw of Berghia marcusi sp. nov. (12-mm-long specimen, from Praia de Aramaçao); scale bar = 5 Mm. C, D, radula of Berghia verrucicornis from Huelva; scale bar = 10 Mm. E, radula of Berghia columbina from Huelva; scale bar = 10 Mm. F, jaw of Berghia columbina from Huelva; scale bar = 100 Mm.
Figure 6 in The family Aeolidiidae Gray, 1827 (Gastropoda Opisthobranchia) from Brazil, with a description of a new species belonging to the genus Berghia Trinchese, 1877
Figure 6. Berghia marcusi sp. nov. A, dorsal view of the external morphology; scale bar = 5 mm. B, lateral view of a specimen, showing the arrangement of the cerata; scale bar = 1 mm. C, D, radular teeth (Praia dos Ossos, 5-mm-long specimen); scale bars = 10 Mm. E, detail of a tooth with piled up denticles (16.5-mm-long specimen, from Praia de Aramaçao). F, detail of a tooth with denticles ending in either two or more tips (16.5-mm long specimen, from Praia de Aramaçao).
Figure 5. Berghia creutzbergi. A in The family Aeolidiidae Gray, 1827 (Gastropoda Opisthobranchia) from Brazil, with a description of a new species belonging to the genus Berghia Trinchese, 1877
Figure 5. Berghia creutzbergi. A, lateral view of a specimen, showing the arrangement of the cerata; scale bar = 1 mm. B, radular tooth (13-mm-long specimen, from Praia de Armação); scale bar = 100 Mm.
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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)
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.