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1,301 results for “Early Cretaceous”
Fig. 8 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 8. Meiatermes araripena Krishna. Photomicrographs of well-preserved specimens. A. AMNHSaI- 1749. B. AMNHSaI-1749 head. C. AMNHSaI-1749 wing base. D. ROM 1746. E. ZMHB 2061 head. F. ZMHB 2061. G. SMNS 66192.
Fig. 11 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 11. Meiatermes araripena. Reconstructed habitus, as based on a series of specimens. Venation is generalized to accommodate the variation seen in this species (see fig. 10).
Fig. 20 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 20. Scanning electronmicrographs of the details of digestive tract preserved in Meiatermes araripena. A, B: Midgut (ROM 1770, AMNHSaI-30, respectively). C–F: ROM 1762. C, Midgut. D, Proventriculus. E, Detail of midgut shown in fig. C. F, Detail of the base of Malpighian tubules, where they connect to the end of the midgut and showing the branched bases.
Fig. 16 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 16. Cratokalotermes santanensis, reconstruction. Venation and abdomen are largely based on the holotype (SMNS 66195); head and pronotum on ROM 1764; the two-segmented cerci are preserved in both specimens.
Fig. 1 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 1. Mariconitermes talicei Fontes and Vulcano. Photomicrographs of well-preserved specimens, with select details. A. AMNHSaI-2. B. AMNHSaI-2 head. C. AMNHSaI-5 legs. D. AMNHSaI-5. E. AMNHSaI- 5 cerci. F. SMNS 66192. G. SMNS 66193.
Fig. 4. Mariconitermes talicei. A in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 4. Mariconitermes talicei. A. Reconstruction of habitus based on a series of specimens (hind wings not shown). B. Base of forewing of AMNHSaI-4. C–D: Details of tarsi. C. AMNHSaI-5. D. AMNHSaI-2.
Fig. 15 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 15. Cratokalotermes santanensis. Scanning electronmicrographs of ROM 1764. A. Anterior portion of head (composite of several images). B. Detail of right cercus, showing the coarsely imbricate cuticular microsculpture of the distal segment. Cuticle on the tip is lost, but the cercus appears to be two-segmented.
Fig. 17. Cretorhinotermes novaolindense Bechly. A in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision
Fig. 17. Cretorhinotermes novaolindense Bechly. A. Photomicrograph of holotype, SMNS 66196. B. Venation of preserved section of forewing of holotype. C. Venation of preserved section of forewing of paratype, SMNS 66197, oriented to match that of the holotype wing.
Fig. 14 in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 14. Most parsimonious cladogram (MPC) based on data set shown in appendix 2. Numbers at nodes show result of bootstraping. Higher taxon names are as in Gaffney (1996).
Fig. 13 in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 13. Judithemys sukhanovi Parham and Hutchison, 2003, TMP 87.2.1. Partially restored views of the skull. A, Dorsal; B, ventral; C, left lateral.
Fig. 12. Chubutemys copelloi, n in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 12. Chubutemys copelloi, n. gen. et sp. MPEF-PV1940. Partially restored eighth cervical vertebra. A,Right lateral; B, ventral, anterior to top of page; C, anterior.
Fig. 11. Chubutemys copelloi, n in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 11. Chubutemys copelloi, n. gen. et sp. MPEF-PV1940. Anterior portion of carapace. Left, dorsal view; right, ventral view. Anterior to top of page. In dorsal view, solid lines are sutures, dotted lines are scale sulci. Cervical eight is shown in more detail in fig. 12.
Fig. 10. Chubutemys copelloi, n in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 10. Chubutemys copelloi, n. gen. et sp. MPEF-PV1236, holotype. Line drawings of skull views shown in figs. 2–6. A, Dorsal; B, ventral; C, right lateral; D, anterior; E, left lateral; F, posterior.
Fig. 2 in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 2. Detailed location map (from 250K topographic map) showing the position of the type locality of Chubutemys copelloi, n. gen. et sp. MPEF-PV1236.
Fig. 7. Chubutemys copelloi, n in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 7. Chubutemys copelloi, n. gen. et sp. MPEF-PV1236, holotype. Upper, posterior view of skull. Lower, anterior view of skull.
Fig. 1 in Chubutemys, a New Eucryptodiran Turtle from the Early Cretaceous of Argentina, and the Relationships of the Meiolaniidae
Fig. 1. Regional location maps showing the position of the type locality of Chubutemys copelloi, n. gen. et sp. MPEF-PV1236 (from Rich et al., 1998).
Fig. 22 in Juvenile Birds from the Early Cretaceous of China: Implications for Enantiornithine Ontogeny
Fig. 22. Right (A, B) and left (C, D) distal tibiotarsi of a juvenile specimen of Baptornis advenus (FMNH- UC-395) in cranial (A, C) and mediocranial (B, D) views. Note the absence of a suture separating the tall ascending process (mostproximal extension marked by arrows) from the astragalus' body.
Fig. 21 in Juvenile Birds from the Early Cretaceous of China: Implications for Enantiornithine Ontogeny
Fig. 21. Comparisons of the tarsus of nonavian theropods (Allosaurus fragilis and Deinonychus antirhopus), basal birds (Rahonavis ostromi and Vorona berivotrensis), GMV-2158, and a juvenile modern bird (Struthio camelus). Abbreviations as in figure 18.
Fig. 13 in Juvenile Birds from the Early Cretaceous of China: Implications for Enantiornithine Ontogeny
Fig. 13. Photograph and interpretive drawing of the thoracic girdle of GMV-2158. Abbreviations: afa, articular facet of acromion; cof, dorsal coracoidal fossa; fsn, supracoracoid nerve foramen; haf, humeral articular facet; hyp, hypocleideum; saf, scapular articular facet. Other abbreviations as in figure 3.
Fig. 16 in Juvenile Birds from the Early Cretaceous of China: Implications for Enantiornithine Ontogeny
Fig. 16. Interpretive drawing of the carpus and manus of NIGP-130723. Abbreviations: rdl, radiale. Other abbreviations as in figure 15.
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)
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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.