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48 results for “palaeognath”
Figure 1 in Osteological comparison of casque ontogeny in palaeognathous and neognathous birds: insights for selecting modern analogues in the study of cranial ornaments from extinct archosaurs
Figure 1. Photographs of adult: A, helmeted guinea fowl (Numida meleagris); B, maleo (Macrocephalon maleo); C, southern cassowary (Casuarius casuarius). All three species possess osseous casques dorsal to their orbits and neurocranium. Photos by T.L.G.
Data from: Eggshell palaeogenomics: Palaeognath evolutionary history revealed through ancient nuclear and mitochondrial DNA from Madagascan elephant bird (Aepyornis sp.) eggshell
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Data from: Convergent regulatory evolution and loss of flight in palaeognathous birds
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Figure 1 in Comparative ossification sequence and skeletal development of the postcranium of palaeognathous birds (Aves: Palaeognathae)
Figure 1. Lateral view of the forelimbs of palaeognath embryos. A–C, Dromaius novaehollandiae: A, stage 35 (RM 8053); B, stage 36 (day 25 of incubation, RM 8023); C, stage 40+ (day 43 of incubation, RM 8039). D–F, Struthio camelus: D, day 15 of incubation (YPM 112437); E, day 21 of incubation (YPM 112444); F, day 36 of incubation (YPM 112461). G, H, Eudromia elegans: G, day 10 of incubation (YPM 112519); H, day 15 of incubation (YPM 112525). I, J, Rhea americana: I, stage 34 (day 14 of incubation, RM 7217); J, stage 40+ (day 26 of incubation, RM 7223). Grey shaded regions represent cartilage; black regions represent ossified tissue. The density of stippling reflects the relative degree of ossification. Scale bars: 2 mm (A, B, D, E, G, I); 5 mm (C, F, H, J).
Figure 2. Osteological characters supporting tinamou relationships. A in Phylogenetic interrelationships of living and extinct Tinamidae, volant palaeognathous birds from the New World
Figure 2. Osteological characters supporting tinamou relationships. A, pelvis, relative length of cranial and caudal portions of ilium (character 92), extension of caudal end (character 97), and development of the tuberculum praeacetabulare (character 99); B, tarsometatarsus, opening of hypotarsal sulcus/canal for m. flexor digitorum longus (character 111); C, coracoid, development of processus lateralis (character 76); D, quadratum, projection of prominentia submeatica (character 47); E, shape of cotylae mandibulares (characters 42–44). The numbers denote characters and character states as described in in Appendix 2. Figures not drawn to scale.
Figure 2. A in New morphological evidence supports congruent phylogenies and Gondwana vicariance for palaeognathous birds
Figure 2. A, hyobranchial skeleton of Megalapteryx and Apteryx, ventral view. B, tongue muscles typical of a neognathous bird (Tringa totanus) after Burton (1974), ventral view. C, tongue muscles of Apteryx australis, ventral view. Abbreviations: B, basihyale; Bm, m. branchiomandibularis; Cb, ceratobranchiale; Cg, m. ceratoglossus; Cga, m. ceratoglossus anterior; Ch, m. ceratohyoideus; Eb, epibranchiale; Gh, m. geniohyoideus; Ho, m. hyoglossus obliquus; M, mandible; Mh, m. mylohyoideus (reflected back from the midline); P, paraglossale; St, m. stylohyoideus; T, tongue; Tl, m. transversus linguae; U, urohyale. Scale bars = 1 cm.
Figure 1. Palaeognathae phylogenies published 2007–2010. A in New morphological evidence supports congruent phylogenies and Gondwana vicariance for palaeognathous birds
Figure 1. Palaeognathae phylogenies published 2007–2010. A, nuclear genomic (Harshman et al., 2008); B, mitochondrial genomic (Phillips et al., 2010); C, mitochondrial genomic (Baker & Pereira, 2009); D, morphological (Bourdon et al., 2009); E, morphological, Livezey & Zusi (2007), original topology; F, morphological, Livezey & Zusi (2007) amended topology. K/T: Cretaceous-Tertiary boundary.
Figure 4 in Osteological comparison of casque ontogeny in palaeognathous and neognathous birds: insights for selecting modern analogues in the study of cranial ornaments from extinct archosaurs
Figure 4. Three-dimensional renderings from micro-computed tomography data of a developmental series of Numida meleagris: A, TLG NM006; B, TLG NM002; C, TLG NM004; D, TLG NM003; E, TLG NM007 (see Table 1). Skulls are shown in (top) less lateral and (boưom) dorsal views. Casque elements specific to N. meleagris are indicated by coloured cells [dark red (X) = element not participating at specified age; dark green (✓) = element participating at specified age] in the table, and grey cells indicate bones that do not contribute to bones in the species represented in this figure, but do contribute to others in the study. Dashed line divides specimens without (less) and with (right) casques developmentally present.
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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)
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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.