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FIGURE 5 in New records of eutherian mammals from the Goler Formation (Tiffanian, Paleocene) of California and their biostratigraphic and paleobiogeographic implications
FIGURE 5. Upper dentition of Nannodectes lynasi. A. Occlusal view of RAM 6431, left I1 from RAM locality V98012. B. Occlusal view of RAM 6929, left I1 from RAM locality V98012. C. Occlusal view of RAM 9668, left maxilla fragment with C, alveoli of P2–3, and P4–M1 from RAM locality V200510. D. Occlusal view of RAM 6931, left P3 from RAM locality V98012. E. Occlusal view of right P4 of RAM 9669, skull fragment with broken I1, right P4, M1–2 and associated right p3 from RAM locality V200510; F. occlusal view of right M1–2 of RAM 9669. G. Occlusal view of RAM 6962, left M2 from RAM locality V98012. H. Occlusal view of RAM 6957, partial left M3 from RAM locality V98012.
FIGURE 10. RAM 10292 in New records of eutherian mammals from the Goler Formation (Tiffanian, Paleocene) of California and their biostratigraphic and paleobiogeographic implications
FIGURE 10. RAM 10292, left and partial right dentaries of Phenacodus cf. P. bisonensis from RAM locality V200802: A. occlusal view of left dentary with c–m3; B. labial view of RAM 10292; C. occlusal view of right dentary with i1-2, and c–m1.
FIG. 12 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 12. Maximum-likelihood reconstruction of geographic range evolution for the erethizontid crown clade. See table 1 (footnote) for range descriptors and table 8 for divergence-date estimates.
FIG. 10 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 10. Coendou prehensilis with erected cranial quills. The inflated nasofrontal sinuses of this species provide increased surface area for quill deployment, and their convex margins allow erected quills to point anteriorly and laterally to protect adjacent soft tissues. Photographed at the Frankfurt Zoo in 2008 (courtesy of Marek Polster).
FIG. 9 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 9. Maximum-likelihood reconstructions of ancestral phenotypes for three morphological characters of Recent erethizontids. Branch tips representing species of Coendou are labeled with corresponding epithets only. See text for character definitions and scoring criteria and table 8 for divergence-date estimates. Pie diagrams at internal nodes represent estimated probabilities of alternative states.
FIG. 8 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 8. Lateral cranial views: A, Coendou prehensilis (AMNH 134064); B, C. melanurus (AMNH 266565). The inflated nasofrontal sinuses of C. prehensilis (type species of the genus Coendou) result in a strongly convex dorsal profile by contrast with the flat dorsal profile of C. melanurus (referred to Sphiggurus by some authors; see text). Both skulls are life size (×1).
FIG. 7 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 7. Coendou rufescens (FMNH 88524), previously referred to Echinoprocta by many authors. This is a shorttailed species that (like C. prehensilis) appears completely spiny because the quills conceal its short, sparse fur.
FIG. 6 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 6. Coendou melanurus (AMNH 266565), referred to Sphiggurus by Husson (1978) and other authors. This is a long-tailed species in which the quills are concealed beneath long, dense fur.
FIG. 5 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 5. Coendou prehensilis (INPA 2875), the type species of Coendou. This is a long-tailed species that appears completely spiny because the quills conceal its short, sparse fur.
FIG. 4. Maximum-likelihood phylogeny for 45 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 4. Maximum-likelihood phylogeny for 45 ingroup (erethizontid) terminals; outgroup taxa are not shown. Labeling conventions and nodal support statistics are the same as in figure 3. Capital letters (A, B, C) indicate unnamed clades discussed in the text.
FIG. 3 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 3. Strict consensus of 14 equally most-parsimonious trees for 29 unique erethizontid cytochrome-b haplotypes (only ingroup relationships are shown). Sequenced specimens of Coendou are identified by country of origin, next-largest political unit (state, department, or province), collection locality number (mapped in fig. 1), and an alphanumeric identifier (tissue, voucher, or GenBank accession number; see tables 2 and 3). Nodal support values are bootstrap percentages.
FIG. 1 in Phylogenetic Relationships of New World Porcupines (Rodentia, Erethizontidae): Implications for Taxonomy, Morphological Evolution, and Biogeography
FIG. 1. Collection localities of sequenced specimens of Neotropical erethizontids (Chaetomys and Coendou). See gazetteer (appendix 1) for geographic coordinates and other information.
FIGURE 1 in Variation in the Deterioration of Fossil Resins and Implications for the Conservation of Fossils in Amber
FIGURE 1. Historical deterioration of amber pieces in the AMNH collections: A. Crazing of several old Baltic amber specimens. B. Old Baltic amber piece with insect exhibiting "darkening." C. Same specimen after repolishing. D. "Darkening" of several old Baltic amber specimens. E. Same specimens after repolishing. F. Old Baltic amber piece showing overall deterioration including crazing and large crack through the insect inclusion. G. Same piece after embedding in a high-grade epoxy (EpoTek 301-2).
FIGURE 4 in Variation in the Deterioration of Fossil Resins and Implications for the Conservation of Fossils in Amber
FIGURE 4. Crazing after exposure to a combination of UV/Vis and fluctuating humidity. A. New Jersey sample prior to treatment (size of all samples: 1.5 cm × 1.25 cm × 3 mm). B. New Jersey sample after treatment. C. Detail of crazing on New Jersey sample. D. Burmese sample prior to treatment. E. Burmese sample after treatment. F. Detail of crazing on Burmese sample.
FIGURE 7 in Variation in the Deterioration of Fossil Resins and Implications for the Conservation of Fossils in Amber
FIGURE 7. Images showing effects of heat on amber samples. A. Baltic sample prior to treatment. B. Yellowing of Baltic sample due to heat exposure. C. Burmese sample prior to treatment. D. No discernible yellowing of Burmese sample after heat exposure.
Fig. 3 in A New Nonmammalian Eucynodont (Synapsida: Therapsida) from the Triassic of Northern Gansu Province, China, and its Biostratigraphic and Biogeographic Implications
Fig. 3. Beishanodon youngi, gen. et sp. nov. (holotype PKUP V3007): skull in dorsal (A) ventral (B), and lateral (C) views.
Fig. 2 in A New Nonmammalian Eucynodont (Synapsida: Therapsida) from the Triassic of Northern Gansu Province, China, and its Biostratigraphic and Biogeographic Implications
Fig. 2. Composite section of the Hongyanjing Formation exposed in the Beishan Hills. The new trirachodontid fossil was collected from the fossil-bearing dark shale exposed approximately 13.5 m above the basal contact of the formation with Hercynian plagio-diorite rocks.
Fig. 6 in A New Nonmammalian Eucynodont (Synapsida: Therapsida) from the Triassic of Northern Gansu Province, China, and its Biostratigraphic and Biogeographic Implications
Fig. 6. Tooth morphology of Beishanodon youngi, gen. et sp. nov. (holotype PKUP V3007): A, occlusal view of first through fourth right postcanines; B, occlusal view of fourth and fifth left postcanines. Double arrows point to small cusps on posterior cingulum. Scale bar 5 50 mm.
Fig. 5 in A New Nonmammalian Eucynodont (Synapsida: Therapsida) from the Triassic of Northern Gansu Province, China, and its Biostratigraphic and Biogeographic Implications
Fig. 5. Beishanodon youngi, gen. et sp. nov. (holotype PKUP V3007): CT-scan of the holotype skull showing tooth sockets and palatal structures (the scanning of the specimen was done by using a GE Light- Speed QX/I CT Scanner at the Peking University People's Hospital). Anterior arrows point to the canine eminence, and posterior arrows point to the oblique orientation of the last postcanine.
Fig. 4 in A New Nonmammalian Eucynodont (Synapsida: Therapsida) from the Triassic of Northern Gansu Province, China, and its Biostratigraphic and Biogeographic Implications
Fig. 4. Beishanodon youngi, gen. et sp. nov. (holotype PKUP V3007): line drawings of skull in dorsal (A), ventral (B), and lateral (C) views.
ScienceDex guides
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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.