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Figure 3 in A revision of the extinct Mesozoic family Prochydoridae Smirnov, 1992 (Crustacea: Cladocera) with a discussion of its phylogenetic position
Figure 3. SEM micrographs of Upper Mesozoic Prochydoridae from Khotont. A, B, Prochydorus rotundus, PIN 4307/ 2013, general view and head. C, PIN 4307/2041, antenna II and mandible. D–F, specimen PIN 4307/2031, general view, anterior body portion and antenna II. G, H, Archeoxus ventrosus, holotype PIN 4307/2027, general view and antenna II. Scale bars: A, C–E, G, 1 mm; B, F, H, 0.1 mm.
Figure 2 in A revision of the extinct Mesozoic family Prochydoridae Smirnov, 1992 (Crustacea: Cladocera) with a discussion of its phylogenetic position
Figure 2. SEM micrographs of Prochydorus rotundus from Khotont, Mongolia. A–D, holotype PIN 4307/2024, general view, postabdominal claws, antenna II and apical segment of its exopod. E, holotype PIN 4307/2040 (counter-impression). F, G, paratype PIN 4307/2019, general view and mandibles. H, paratype PIN 4307/2020. Scale bars: A, F, H, 1 mm; B–E, G, 0.1 mm.
Fig. 1. Schindleria brevipinguis n in The World's Smallest Vertebrate, Schindleria brevipinguis, A New Paedomorphic Species in the Family Schindleriidae (Perciformes: Gobioidei)
Fig. 1. Schindleria brevipinguis n.sp. (A) Holotype, AMS I.23552-006 (8.4 mm, female), from vicinity of Carter Reef, Great Barrier Reef, Queensland, Australia; (B) paratype, AMS I.26323-003 (6.6 mm, male; note that branchiostegal area is somewhat damaged) from Carter Reef vicinity, Great Barrier Reef. Enlarged lateral (left) and ventral (right) views of urogenital papilla are shown below paratype. Scale bar = 1 mm.
Fig. 3. A in Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
Fig. 3. A: Spermatozoon of Eigenmannia trilineata (SEM), h = sperm head, arrow = flagellum, double arrow = midpiece, m = mitochondrion; B, E: Spermatozoa of E. trilineata in longitudinal section (TEM) showing ovoid nucleus (n) with flocculent chromatin, centriolar arrangement (dc= distal centriole, pc= proximal centriole), and elongate mitochondria (m), v = vesicles; C: Flagella of spermatozoa of E. trilineata in cross sections (TEM) showing axonemal or flagellar fins (af); D: Midpiece of spermatozoa of E. trilineata in cross section (TEM) showing presence of vesicles (v) and mitochondria (m), and flagellar axoneme (a) with electron-lucent tubules of each peripheral doublet. Scale bars = 1µm.
Fig. 2. A in Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
Fig. 2. A: Spermatozoon of Gymnotus aff. carapo (SEM), h = sperm head, arrow = flagellum, double arrow = midpiece; B-C: Spermatozoa of G.aff. carapo in longitudinal section (TEM) showing spherical nucleus (n), centriolar complex and flagellum (f) lateral to the nucleus (n), double nuclear fossa (double arrow), centriolar arrangement (dc= distal centriole, pc= proximal centriole), mitochondria (m), and presence of vesicles (v) in the posterior portion of midpiece, cc = cytoplasmic canal; D: Flagella of spermatozoa of G. aff. carapo in cross section (TEM) showing electron-lucent tubules of each peripheral doublet (arrow); E: Midpiece of spermatozoon of G.aff. carapo in longitudinal section (TEM) showing short cytoplasmatic canal (cc) and vesiclular arrangement (v). Scale bars = 1µm.
Fig. 2 in Karyotype characterization of Mugil incilis Hancock, 1830 (Mugiliformes: Mugilidae), including a description of an unusual co-localization of major and minor ribosomal genes in the family
Fig. 2. Metaphase plates of Mugil incilis after (a) C-banding and (b) AgNO -staining. Arrows indicate chromosome pair number 1.
Fig. 4 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 4. – Schizolaena charlotteae Lowry & G. E. Schatz. A. Branch with fruiting involucre; B. Flower (from above); C. Involucre surrounding mature fruit; D. Detail of leaf; [A-B, D: Antilahimena 4786; C: RandriataFika & al. 653] [Drawing: R. L. Andriamiarisoa]
Fig. 3 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 3. – Geographic distribution of Eremolaena darainensis Nusb. & Lowry (stars), Schizolaena charlotteae Lowry & G. E. Schatz (circles) and Schizolaena parvipetala Randrian. & Hong-Wa (squares), mapped on the bioclimatic zones of Madagascar (after CORNET, 1974; see SCHATZ, 2000).
Fig. 2 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 2. – Photographs of Eremolaena darainensis Nusb. & Lowry (A-D) and Schizolaena charlotteae Lowry & G. E. Schatz (E). A. Flower, from above (petals fallen); B. Detail of midvein on abaxial leaf surface showing long white stellate trichomes near the margin and small stellate-strigose indument on nerves; C. Flower, from side (2 petals remaining); D. Detail of abaxial surface of a sepal, with stellate-strigose indument on the overlapping part less dense on the left side than on the right side; E. Flower and buds with young involucres. [A-D: Nusbaumer & Ranirison LN 1420; E. RandriataFika & al. 653] [Photos: A-D: L. Nusbaumer; E: P. Lowry].
Fig. 1 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 1. – Eremolaena darainensis Nusb. & Lowry. A. Branch with buds and nearly open flowers; B. Detail of adaxial surface of leaf; C. Bud with pedicel; D. Branch with buds; E. Detail of abaxial surface of leaf; F. Detail of adaxial surface of leaf. [A-C: Ranirison & Nusbaumer PR 936; D-F: Nusbaumer & Ranirison LN 1420] [Drawing: R. L. Andriamiarisoa]
Calibrating phylogenies assuming bifurcation or budding alters inferred macroevolutionary dynamics in a densely sampled phylogeny of bivalve families
<p>Analyses of evolutionary dynamics can be profoundly affected by age calibrations of phylogenetic nodes under different models of lineage branching. Most time-calibrated molecular phylogenies of extant taxa assume a purely bifurcating model, where nodes are calibrated using the daughter lineage with the older first occurrence in the fossil record. Lineages can also split via budding, in which a parent lineage persists following the origin of a daughter lineage, and nodes are calibrated using the age of the lineage with the younger first occurrence. Here, we use the extensive fossil record of bivalve molluscs for a large-scale empirical test of how the choice of branching model affects macroevolutionary analyses. We time-calibrated 91% of nodes in a phylogeny of 97 extant bivalve families using 86 calibration points ranging in age from 2.59 to 485 Ma. Allowing budding-based calibrations minimizes conflict between the tree topology and timing of evolutionary events in the fossil record, reducing the summed duration of inferred "ghost lineages," from 6.76 billion yrs (Gyr; bifurcating model) to 1.00 Gyr (budding model). Adding 31 extinct paraphyletic families – many major groups contain such extinct taxa – shifts deep splits further back in time and raises ghost-lineage totals to 7.86 Gyr (bifurcating) and 1.92 Gyr (budding), but more accurately reflects the time since separation of lineages. Lineage-through-time plots from phylogenetic data scaled under a bifurcating model of evolution push more inferred bivalve diversification into the Paleozoic, conflicting with other palaeontological evidence on the magnitude of the end-Paleozoic extinction and subsequent recovery, and strongly reduce the magnitude of the Cenozoic diversification of the group. Consideration of the hypothesized branching model within a given clade is essential when node-calibrating phylogenies, and for a major clade with a robust fossil record, an evolutionary model that allows budding and does not force bifurcations is the most appropriate one, and likely common for many other clades as well.</p>
Anonymized dataset for "Research themes of family and community physicians in Brazil"
<p>This is the anonymized dataset analyzed in the manuscript “Research themes of family and community physicians in Brazil”. It was derived with the first R script in <a href="https://doi.org/10.5281/zenodo.5798092">https://doi.org/10.5281/zenodo.5798092</a> from restricted datasets in <a href="https://doi.org/10.5281/zenodo.3376310">https://doi.org/10.5281/zenodo.3376310</a> and <a href="https://doi.org/10.5281/zenodo.5797816">https://doi.org/10.5281/zenodo.5797816</a>.</p> <p>Both the data and the data dictionary are recorded in comma-separated values, with byte-order mark.</p>
Fig. 11. Trochoidean families. A–B. Calliostoma leptophyma Dautzenberg & H. Fischer, 1896, ECOMARG 0709, V5, 876 m, 16.5 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 11. Trochoidean families. A–B. Calliostoma leptophyma Dautzenberg & H. Fischer, 1896, ECOMARG 0709, V5, 876 m, 16.5 mm. C–D. Calliostoma maurolici (Seguenza, 1876), ECOMARG 0709, V5, 876 m, 15.6 mm. E–F. Calliotropis vaillanti (P. Fischer, 1882), BANGAL 0711, V9, 1671 m, 7.2 mm. G–I. Bathymophila micans (Dautzenberg & H. Fischer, 1896), BANGAL 0711, V8, 1565 m, 8 mm. J–K. B. micans, juvenile shell with open umbilicus, BANGAL 0711, V2, 1706 m, 3.2 mm. Scale bars: A–D = 10 mm; E–K = 1 mm.
Fig. 5 in New species of bristletails of the family Machilidae (Archaeognatha) from Kazakhstan
Fig. 5. Allopsontus perfectus sp. nov. male, holotype: A – distal chain of flagellum; B – eyes and ocelli, front view; C – maxillary palp; D – labial palp; E – apex of mandible; F – part of fore leg; G – hind coxa with stylus. Scale bar: 0.1 mm.
Fig. 2 in New species of bristletails of the family Machilidae (Archaeognatha) from Kazakhstan
Fig. 2. Silvestrichiloides berkarensis sp. nov. (B – male, holotype; A, C, D – female, paratype): A – urocoxite VIII; B – urocoxite VIII (part) with parameres and urocoxite IX, with parameres and penis; C – anterior gonapophysis; D – posterior gonapophysis. Scale bar: 0.1 mm.
Fig. 1 in New species of bristletails of the family Machilidae (Archaeognatha) from Kazakhstan
Fig. 1. Silvestrichiloides berkarensis sp. nov. (A–C, E–G – male, holotype; D – female, paratype): A – eyes and ocelli, front view; B – maxillary palp; C, D – labial palp; E – apex of mandible; F – fore femur; G – part of middle leg. Scale bar: 0.1 mm.
Fig. 3 in New species of bristletails of the family Machilidae (Archaeognatha) from Kazakhstan
Fig. 3. Allopsontus nigrostriatus sp. nov. male, holotype: A – eyes and ocelli, front view; B – maxillary palp; C – labial palp; D – apex of mandible; E – part of fore leg; F – part of middle leg. Scale bar: 0.1 mm.
Fig. 6 in New species of bristletails of the family Machilidae (Archaeognatha) from Kazakhstan
Fig. 6. Allopsontus perfectus sp. nov. (B – male, holotype; A, C, D – female, paratype): A – urocoxites VII; B – urocoxite IX, with parameres and penis; C – anterior gonopophysis; D – posterior gonopophysis. Scale bar: 0.1 mm.
Dataset of the paper "Machine learning for expert-level image-based identification of very similar species in the hyperdiverse plant bug family Miridae (Hemiptera: Heteroptera)"
<p>This dataset contains 3792 images of 26 plant bug (Insecta: Heteroptera: Miridae: Mirini) species used to test the performance of a CNN in species recognition. All jpg files are 1920 pixels on the long size and additionally available as an archive file to facilitate download of the entire dataset. </p> <p>Bar code labels (unique specimen identifiers or USIs) were attached to all examined specimens used for this study. Further information such as additional photographs of habitus and genitalic structures, georeferenced coordinates of each locality, specimens dissected, notes, collecting method can be obtained from the Heteroptera Species Pages (http://research.amnh.org/pbi/heteropteraspeciespage/) which assembles available data from a specimen database and are also provided as an Excel spreadsheet (file _Adelphocoris_CNN_label_data.xlsx).</p>
FIG. 4 in Lectotypifications of four names in the family Gesneriaceae
FIG. 4. — Lectotype of Petrocosmea parryorum C.E.C.Fisch. (http://specimens.kew.org/herbarium/K000196635). © copyright of the Board of Trustees of the Royal Botanic Gardens, Kew. Reproduced with permission.
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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.