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171 results for “shell morphology”
FIG. 1 in Beyond shells: first detailed morphological description of the mangrove-associated gastropod Haminoea cf. fusca (A. Adams, 1850) (Cephalaspidea, Haminoeidae), with a COI phylogenetic analysis
FIG. 1. — Bayesian phylogenetic tree based on partial sequences of the COI gene. Figures on nodes are posterior probabilities, scale bar refer to branch lengths. Coloured squares refer to species that are Indo West Pacific in origin, whereas grey squares to Atlantic and eastern Pacific species. PP, 1. The specimen here used from the Philippines is depicted in Gosliner et al. 2015: 30, lower right.
FIG. 6. — A in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 6. — A, Palaeoglandina aquensis (Matheron, 1843) from Aix (Burdigalian, Aix Basin), MHNM 6034.9314.1; B, P. galloprovincialis (Matheron, 1843) from Peyrolles (Tortonian, Durance Basin), MHNM 6034.9317.1; C1, C2, P. montenati Truc, 1971 from Quibas (Calabrian, Quibas site), MVHN-180222GM05; D1, D2, P. aquensis var. obtusa (Depéret, 1890), UCBL-FSL 148027; E1, E2, P. gracilis (Zieten, 1832), NHMW 2013/0572/0040; F1, F2, P. taurinensis (Sacco, 1886), BS.093.02.001; G, P. turolensis n. sp., MAP-8420, detail of protoconch; H, P. gracilis (Zieten, 1832), NHMW 2013/0572/0040, detail of protoconch; I, P. taurinensis (Sacco, 1886), BS.093.02.001, detail of protoconch;J, P. montenati Truc,1971 from Quibas,MVHN-180222GM05,detail of protoconch. Scale bars: A-F,10 mm; G,1 mm; H-J, 2 mm.
FIG. 2. — A in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 2. — A, Shell measurements, following Solem & Climo (1985), and arrangement of landmarks (large circles) and semi-landmarks (small dots). The numbers in parentheses indicate the number of points for each of the two semi-landmark curves. See text for abbreviations. B, Protoconch measurements, following Verduin (1977). Abbreviations: N, nucleus; P/T boundary, protoconch/teleoconch boundary. Scale bar: A, 5 mm; B, 6 mm.
FIG. 4. — A, Palaeoglandina turolensis n in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 4. — A, Palaeoglandina turolensis n. sp. from La Gloria 4 (Ruscinian, Teruel Basin): A1-A3, MAP-8405, holotype; B, MAP-8406, paratype; C, MAP-8407, paratype; D, MAP-8408, paratype; E, MAP-8409, paratype; F, MAP-8410, paratype; G, MAP-8411, paratype; H, MAP-8412, paratype; I, MAP-8413, paratype; J, MAP-8414, paratype; K, MAP-8415; L, MAP-8416; M, MAP-8417; N, MAP-8418; O, MAP-8419. Scale bar: 10 mm.
FIG. 3 in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 3. — Results of the morphometric analyses: A, principal components analysis of the Procrustes shape coordinates; shown are the first three axes explaining 88.5% of the total variance; B, thin-plate spline deformation grid illustrating the extreme values for each principal component; deformations were magnified to a factor of 2 to highlight variation of distinct traits; C, reconstructed mean shapes for all material as well as across specimens for each locality.
FIG. 5. — A-D, O, Palaeoglandina turolensis n in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 5. — A-D, O, Palaeoglandina turolensis n. sp. from Orrios 1 (Ruscinian, Teruel Basin): A, O, MAP-8421; B, MAP-8422; C, MAP-8423; D, MAP-8424; E-L, N, P. turolensis n. sp. from Los Aljezares (Turolian, Teruel Basin): E, 040822JA01; F, N, 040822JA02; G, MGM-3723; H, MNCNI-28900-D; I, MNCNI-28900-A; J, MGM-118M; K, MNCNI-28900-E; L, MNCNI-11300-E; M, P. turolensis n. sp. from La Gloria 4, MAP-8405. Scale bars: A-J, 10 mm; M-O, 6 mm.
FIG. 1 in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 1. — Geographical and geological overview of the studied sites in the Teruel Basin: A, schematic geological map of the Teruel Basin region indicating the areas in which the studied sites are located (modified after Ezquerro et al. 2022a); B, C, detailed locations of the Los Aljezares (AL), La Gloria 4 (LG4) and Orrios 1 (OR1) sites. Underlying images © Google Maps 2023, CNES/Airbus, Maxar Technologies.
Fig. 6 in Shell Morphology, Growth Pattern And Population Dynamics Of The Land Snail Xerolenta Obvia (Menke, 1828) In Two Areas Of Different Climatic Conditions Within A Temperate Climate Region
Fig. 6. Xerolenta obvia growth model under natural conditions. Size ranges of sexually ma- ture snails are shown in dark grey (4.5–5.4 whorls) and light grey (4.25–4.4 whorls); solid lines = SW population, dashed lines = NE population; 1 = first model variant, 2 = second model variant (details in text)
Fig. 5. A in Shell Morphology, Growth Pattern And Population Dynamics Of The Land Snail Xerolenta Obvia (Menke, 1828) In Two Areas Of Different Climatic Conditions Within A Temperate Climate Region
Fig. 5. A) Mean monthly whorl increment of Xerolenta obvia in two growth seasons in SW (solid line) and NE (dashed line) populations; B) mean (black lines), maxi- mum and minimum (grey lines) monthly temperature, and C) total monthly precipitation during the study period in SW (solid lines) and NE (dashed lines) sites. Data from nearest meteorological stations in Wrocław and Suwałki (IMGW-PIB data)
Fig. 2 in Shell Morphology, Growth Pattern And Population Dynamics Of The Land Snail Xerolenta Obvia (Menke, 1828) In Two Areas Of Different Climatic Conditions Within A Temperate Climate Region
Fig. 2. Distribution of shell pattern types of Xero- lenta obvia snails in the two populations studied, SW (n = 781) and NE (n = 1387)
Fig. 7 in Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp.nov. (Amoebozoa:Arcellinida) fromBrazilianContinental Waters
Fig. 7. Histograms depicting distribution of data for characters analyzed in this study. The black lines represent density curves that fit our data. Aperture height (ah), test diameter (td) and test top diameter (ttd) present a distribution similar to a bimodal distribution, while all the other characters show a nearly normal distribution. Characters tb2 and bw2 are not shown since they are equal to tb1 and bw1, respectively.
Fig. 2 in Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp.nov. (Amoebozoa:Arcellinida) fromBrazilianContinental Waters
Fig. 2. Lateral view of six individuals of Arcella gandalfi. A and B – individuals with highest shell, top invagination is easily seen; C and D – individuals with intermediate shell height, top invagination easily seen; E and F – individuals with lowest shell height. Scale bar: 20 µm.
Fig. 1 in Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp.nov. (Amoebozoa:Arcellinida) fromBrazilianContinental Waters
Fig. 1. Representation of measured characters. A – Arcella gandalfi in lateral view, showing aperture height (ah), test height (th), test top invagination (tti) and test top diameter (ttd). B – Arcella gandalfi in apertural view, showing the test diameter (td), aperture diameter (ad), test border 1–2 (tb1–2) and brim width 1–2 (bw1–2).
Fig. 6 in Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp.nov. (Amoebozoa:Arcellinida) fromBrazilianContinental Waters
Fig. 6. Morphology of Arcella gandalfi under Scanning Electron Microscopy (SEM). A and B – lateral view showing the aperture region; C – shell detail showing elongated shape of the alveolar units on the conical extension of the shell. Scale bars: 20 µm.
Fig. 5 in Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp.nov. (Amoebozoa:Arcellinida) fromBrazilianContinental Waters
Fig. 5. Representative images of an Arcella brasiliensis individual. A – apertural view, showing the distinct marginal ring (test brim); B – lateral view showing the rounded dome. Scale bar: 20 µm.
Fig. 4 in Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp.nov. (Amoebozoa:Arcellinida) fromBrazilianContinental Waters
Fig. 4. Apertural view of two individuals of Arcella gandalfi. A and B – distinct marginal ring (test brim) similar to Arcella brasiliensis easily seen. Scale bar: 20 µm.
Рис. 1. Номенклатура и условные обоЗначениЯ морфоструктур Замочной плоЩадки личиночных венерид (A, B; по Rees, 1950, с иЗменениЯми), ювенильных Turtonia minuta (С) и вЗрослых венерид Tapetinae (D): a, a0 – передний Зуб правой створки (RV); b, b0 – Задний Зуб RV; c, c0 – передний Зуб левой створки (LV); d, d0 – Задний Зуб LV; lc – лигаментнаЯ Ямка центрального расположениЯ; lp – лигаментнаЯ Ямка Заднего расположениЯ; L1 – передне-вентральный латеральный Зуб RV; L2 – передний латеральный Зуб LV; L3 – передне-дорсальный латеральный Зуб RV; n – нимфа вторичного лигамента;:a – Ямка Зуба переднего Зуба RV;:c – Ямка переднего Зуба LV; 1 – вентральный кардинальный Зуб RV; 2a – переднЯЯ часть кардинального Зуба 2 LV; 2b – ЗаднЯЯ часть кардинального Зуба 2 LV; 3а – переднЯЯ часть кардинального Зуба 3 RV; 3b – ЗаднЯЯ часть кардинального Зуба 3 RV; 4 – Задний кардинальный Зуб LV;:4 – Ямка Заднего кардинального Зуба LV. in Larval, juvenile and adult Turtonia minuta (Bivalvia: Turtoniidae) and comparative shell morphology of the veneroid and venerid taxa from Peter the Great Bay, Sea of Japan
Рис. 1. Номенклатура и условные обоЗначениЯ морфоструктур Замочной плоЩадки личиночных венерид (A, B; по Rees, 1950, с иЗменениЯми), ювенильных Turtonia minuta (С) и вЗрослых венерид Tapetinae (D): a, a0 – передний Зуб правой створки (RV); b, b0 – Задний Зуб RV; c, c0 – передний Зуб левой створки (LV); d, d0 – Задний Зуб LV; lc – лигаментнаЯ Ямка центрального расположениЯ; lp – лигаментнаЯ Ямка Заднего расположениЯ; L1 – передне-вентральный латеральный Зуб RV; L2 – передний латеральный Зуб LV; L3 – передне-дорсальный латеральный Зуб RV; n – нимфа вторичного лигамента;:a – Ямка Зуба переднего Зуба RV;:c – Ямка переднего Зуба LV; 1 – вентральный кардинальный Зуб RV; 2a – переднЯЯ часть кардинального Зуба 2 LV; 2b – ЗаднЯЯ часть кардинального Зуба 2 LV; 3а – переднЯЯ часть кардинального Зуба 3 RV; 3b – ЗаднЯЯ часть кардинального Зуба 3 RV; 4 – Задний кардинальный Зуб LV;:4 – Ямка Заднего кардинального Зуба LV.
Figure 2 in The Black Sea Flexopecten species-complex (Mollusca: Bivalvia: Pectinidae): Shell morphology and 16S rDNA variation
Figure 2. Frequency of occurrence depicted for 16S ribosomal DNA variants among individuals of Flexopecten glaber. A: Black Sea population, B: Mediterranean population.
Fig. 9 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal
Fig. 9. Scatter plot of resilifer number over ligament length in Isognomon. The two groups that correspond to lithostratigraphy are clearly visible. Numbers in squared brackets refer to Fig. 2.
Fig. 8 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal
Fig. 8. Box plots of size for the three target taxa. A. Size of Arcomytilus based on log transformed geometric means of length and height. B. Size of Isognomon based on log transformed ligament length. C. Size of Eomiodon based on log transformed shell length. Arrangement of boxes corresponding more or less to their stratigraphic succession, from left to right. Numbers in squared brackets refer to Fig. 2.
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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.