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1,088 results for “Bivalves”
Figure 7. Scintilla philippinensis. A in Galeommatid bivalves from Phuket, Thailand
Figure 7. Scintilla philippinensis. A, living animal in left side view, dotted line indicating outline of shell. B, left valve in internal view. Left (C) and right valve hinge (D) showing prodissoconch II and resilifer of internal ligament (black). Scale bars: A, B = 5 mm, C, D = 1000 Mm.
Figure 21 in Galeommatid bivalves from Phuket, Thailand
Figure 21. Live specimen of Scintilla imperatoris nom. nov. In dorsal (A) and left side view (B). Scale bars = 5 mm.
Figure 27 in Galeommatid bivalves from Phuket, Thailand
Figure 27. Scintilla minor sp. nov. A, living animal in left side view, dotted line indicating outline of shell. B, left valve in internal view. Left (C) and right valve hinge (D) showing prodissoconch II and resilifer of internal ligament (black). Scale bars: A, B = 2 mm, C, D = 500 Mm.
Figure 20. Scintilla imperatoris nom. nov. A in Galeommatid bivalves from Phuket, Thailand
Figure 20. Scintilla imperatoris nom. nov. A, living animal in left side view, dotted line indicating outline of shell. B, left valve in internal view. Left (C) and right valve hinge (D) showing prodissoconch II and resilifer of internal ligament (black). Scale bars: A = 5 mm, B = 3 mm, C, D = 500 Mm.
Temperature effects on the distribution of aragonitic and calcite-secreting epifaunal bivalves
<p>This dataset contains the necessary data and code to reproduce the analyses shown in the manuscript "Temperature effects on the distribution of aragonitic and calcite-secreting epifaunal bivalves".</p> <p>To prepare the OBIS data from the original download for the analysis, using R, it is necessary to 1. deposit the files in the "data" folder in the R working directory, 2. run the script "worms_prepare.R", 3. run the script "obis_data_prepare.R".</p> <p>To directly run the analyses with the cleaned data set, proceed from 1. with the R scripts corresponding to the figures shown in the manuscript.</p>
Text-fig. 4. Taphonomic features of the studied localities of ammonoids. a: Sandstone slab with fragmentary remains of productid and spiriferid brachiopods, orthocerids, coiled nautiloids and ammonoids (stratigraphic level No. 3). b: Shell debris cluster and fragment of crushed ammonoid conch (stratigraphic level No. 1). c: Epibionts on the surface of an ammonoid conch (stratigraphic level No. 5). d: Cluster of bivalves, gastropods and cephalopods remains in a siderite nodule (stratigraphic level No. 5). e: Fragment of an ammonoid conch (stratigraphic level No. 3). f: Fragment of an ammonoid conch (?) with terminal aperture and brachiopod valve (stratigraphic level No. 3). g: Specimen of?Anthracoceratites sp. with conch injuries (shown by arrows) (stratigraphic level No. 8). h, i: Bioerosion trace fossils Cyclopuncta girtyi ELIAS, 1958 on the fragments of cephalopod conchs (stratigraphic level No. 5). j: Limonitized conchs of the ammonoid (stratigraphic level No. 7). k: Fragment of an ammonoid conch (stratigraphic level No. 5). Scale bars 10 mm. in Late Bashkirian Ammonoids From The Mospyne Formation Of The Donets Basin, Ukraine
Text-fig. 4. Taphonomic features of the studied localities of ammonoids. a: Sandstone slab with fragmentary remains of productid and spiriferid brachiopods, orthocerids, coiled nautiloids and ammonoids (stratigraphic level No. 3). b: Shell debris cluster and fragment of crushed ammonoid conch (stratigraphic level No. 1). c: Epibionts on the surface of an ammonoid conch (stratigraphic level No. 5). d: Cluster of bivalves, gastropods and cephalopods remains in a siderite nodule (stratigraphic level No. 5). e: Fragment of an ammonoid conch (stratigraphic level No. 3). f: Fragment of an ammonoid conch (?) with terminal aperture and brachiopod valve (stratigraphic level No. 3). g: Specimen of?Anthracoceratites sp. with conch injuries (shown by arrows) (stratigraphic level No. 8). h, i: Bioerosion trace fossils Cyclopuncta girtyi ELIAS, 1958 on the fragments of cephalopod conchs (stratigraphic level No. 5). j: Limonitized conchs of the ammonoid (stratigraphic level No. 7). k: Fragment of an ammonoid conch (stratigraphic level No. 5). Scale bars 10 mm.
Figure 1 in New records of bivalves from the Iraqi coast
Figure 1. Photographs of some of the newly recorded species: A – Acar plicata (Dillwyn, 1817) 28mm; B – Sunetta effossa (Hanley, 1843) 42mm; C – Scissileda tropica (Melvill, 1897) 18mm; D – Protapes cor (Sowerby, 1853) 75mm; E – Circentia callipyga (Born, 1778) 47mm; F – Acrosterigma lacunosa (Reeve, 1845) 65mm.
Data for "Sr/Ca in shells of laboratory-grown bivalves (Arctica islandica) serves as a proxy for water temperature – Perspectives for (paleo)environmental research?"
<p>This repository contains all data generated for the publication "Sr/Ca in shells of laboratory-grown bivalves (<em>Arctica islandica</em>) serves as a proxy for water temperature – Perspectives for (paleo)environmental research?" currently under review.</p>
Fig. 1 in Diversity of bivalve molluscs in the St Lucia Estuary, with an annotated and illustrated checklist
Fig. 1. Map of the St Lucia Estuary, showing the sampling sites where bivalves were collected from 1925 to 2011; and its geographical position relative to South Africa (adapted from Carrasco et al. 2010).
Fig. 2. Barnea manilensis, a in Diversity of bivalve molluscs in the St Lucia Estuary, with an annotated and illustrated checklist
Fig. 2. Barnea manilensis, a large concentration of dead shells at False Bay, Lake St Lucia, in April 2011. (Photo: Lynette Perissinotto)
Fig. 1. Study area. A in Drilling predation on Permian brachiopods and bivalves from the Glass Mountains, west Texas
Fig. 1. Study area. A. Location of Texas within the United States. B. Location of the city of Marathon with respect to other cities in Texas. C. Location of the Glass Mountains in the area of Marathon, Texas (modified from Cooper and Grant 1972).
Comparative genomics of sex-determination-related genes reveals shared evolutionary patterns between bivalves and mammals, but not fruit flies
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Calibrating phylogenies assuming bifurcation or budding alters inferred macroevolutionary dynamics in a densely sampled phylogeny of bivalve families
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Declining bivalve species and functional diversity along a coastal eutrophication-deoxygenation gradient in the northern Gulf of Mexico
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Gene expression plasticity, genetic variation and fatty acid remodelling in divergent populations of a tropical bivalve species: lipid profiles
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Mitochondrial epigenetics brings new perspectives on doubly uniparental inheritance in bivalves
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Data from: Bivalve shells reflect 15N enrichment in a fertilizer-dominated estuary
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Data from: Exploring thermal tolerance across time and space in a tropical bivalve, Pinctada margaritifera
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BIMAGES: Bivalve images for morphological analysis and genetic estimation study
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Hard to get, easy to lose: Evolution of mantle photoreceptor organs in bivalves (Bivalvia, Pteriomorphia)
<p>Morphologically diverse eyes have evolved numerous times, yet little is known about how eye gain and loss is related to photic environment. The pteriomorphian bivalves (e.g., oysters, scallops, and ark clams), with a remarkable range of photoreceptor organs and ecologies, are a suitable system to investigate the association between eye evolution and ecological shifts. The present phylogenetic framework was based on amino acid sequences from transcriptome datasets and nucleotide sequences of five additional genes. In total, 197 species comprising 22 families from all five pteriomorphian orders were examined, representing the greatest taxonomic sampling to date. Morphological data were acquired for 162 species and lifestyles were compiled from the literature for all 197 species. Photoreceptor organs occur in 11 families and have arisen exclusively in epifaunal lineages, i.e., living above the substrate, at least five times independently. Models for trait evolution consistently recovered higher rates of loss over gain. Transitions to crevice-dwelling habit appear associated with convergent gains of eyespots in epifaunal lineages. Once photoreceptor organs have arisen, multiple losses occurred in lineages that shift to burrowing lifestyles and deep-sea habitats. The observed patterns suggest that eye evolution in pteriomorphians might have evolved in association with light-guided behaviors, such as phototaxis, body posture, and alarm responses.</p>
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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.