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713 results for “Pygmis”
Fig. 4 in A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae)
Fig. 4. µCT scan of CyliX tupareomanaia, NMNZ P.046322, male, paratype, 55.5 mm SL. (A, B) Anterolateral view of the head highlighting the bifurcated and cup-like crest present on the supraoccipital, continuous cleithral ring, and the strongly elevated ventrolateral bulge of the pectoral-fin base. (C) Anterodorsal aspect of the neurocranium highlighting the bifurcated and cup-like pentamerous bony crest present on the supraoccipital. Abbreviations: FS, frontal spine; PFB, pectoral-fin base; SC, supraoccipital crest; SCL, supracleithrum.
Fig. 2 in A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae)
Fig. 2. CyliX tupareomanaia. (A) AIM MA122274, female, preserved holotype, 31.4 mm SL; Waiatapaua Bay, Whangaruru, Northland, New Zealand (photograph © Auckland Museum). (B) NMNZ P.056154, female, preserved paratype, 35.5 mm SL; Cavalli Islands, Northland, New Zealand (photograph © Auckland Museum). (C) NMNZ P.046322, male, preserved paratype, 55.5 mm SL; east of Oturori Rock, Bay of Islands, Northland, New Zealand (photograph Graham Short).
Fig. 1 in A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae)
Fig. 1. CyliX tupareomanaia. (A) AIM MA122274, female, holotype shortly after death, 31.4 mm SL; Waiatapaua Bay, Whangaruru, Northland, New Zealand (photograph © Auckland Museum). (B) NMNZ P.056154, female, paratype, shortly after death, 35.5 mm SL; Cavalli Islands, Northland, New Zealand (photograph © Irene Middleton).
Fig. 8 in A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae)
Fig. 8. Lateral view of preserved specimens of Acentronura spp. redescribed in this study. (A) A. breViperula, CAS 247135, female, 40.1 mm SL. (B) A. gracilissima, CAS-SU 6681, male, 70.4 mm SL. (C) A. tentaculata, CAS 247139, male, 50.8 mm SL. (D) A. tentaculata, CAS 247139, female, 53.9 mm SL.
Fig. 6 in A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae)
Fig. 6. CyliX tupareomanaia in situ. (A) AIM MA122274, female, holotype, Waiatapaua Bay, Whangaruru, Northland, New Zealand, 12 m depth (photograph © Shane Housham). (B) Waiatapaua Bay, Whangaruru, Northland, New Zealand, 12 m depth (photograph © Shane Housham). (C) Waiatapaua Bay, Whangaruru, Northland, New Zealand, 12 m depth (photograph © Richard Smith). (D) Waiatapaua Bay, Whangaruru, Northland, New Zealand, 12 m depth (photograph © Irene Middleton). (E) Waiatapaua Bay, Whangaruru, Northland, New Zealand, 12 m depth (photograph © Irene Middleton). (F) Poor Knights Islands, Northland, New Zealand, at 10 m depth (photograph © Kent Erickson).
Fig. 5 in A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae)
Fig. 5. µCT scan of the ventral aspect of first trunk ring of CyliX tupareomanaia, NMNZ P.046322, male, paratype, 55.5 mm SL, in ventral aspect highlighting positions of large medioventral conical spines on the cleithral symphysis and the first trunk ring between the pectoral-fin bases. Abbreviations: CL, cleithral spines; CSS, medioventral conical spine on the cleithral symphysis; MVFTRS, medioventral first trunk ring spine between the pectoral-fin bases; PLS, posterolateral spine on pectoral-fin base.
Text-fig. 21. Femur head from White Patch Bone Site belonging to a large mammal approximately the size of a pygmy hippopotamus, probably an embrithopod. View of ligamentary fossa. in Stratigraphy, Chronology And Palaeontology Of The Tertiary Rocks Of The Cheringoma Plateau, Mozambique
Text-fig. 21. Femur head from White Patch Bone Site belonging to a large mammal approximately the size of a pygmy hippopotamus, probably an embrithopod. View of ligamentary fossa.
Genotypic sex shapes maternal care in the African Pygmy mouse, Mus minutoides
<p><span>Sexually dimorphic behaviours, such as parental care, have long been thought to be </span><span>mainly</span><span> driven by gonadal hormones. In the past two decades, a few studies have challenged this view, highlighting the direct influence of the sex chromosome complement (XX vs XY or ZZ vs ZW). The African pygmy mouse, </span><span>Mus minutoides</span><span>, is a wild mouse species with naturally occurring XY sex reversal induced by a third, feminizing X* chromosome, leading to three female genotypes: XX, XX* and X*Y. Here, we show that sex reversal in X*Y females shapes a divergent maternal care strategy (maternal aggression, pup retrieval and nesting behaviours) from both XX and XX* females. Although neuroanatomical investigations were inconclusive, we show that the dopaminergic system in the anteroventral periventricular nucleus of the hypothalamus is worth investigating further as it may support differences in pup retrieval behaviour between females. Combining </span><span>behaviours</span><span> and neurobiology in a rodent subject to natural selection, we evaluate potential candidates for the neural basis of maternal behaviours and strengthen the underestimated role of the sex chromosomes in shaping sex differences in brain and behaviours. All things considered, we further highlight the emergence of a third sexual phenotype, challenging the binary view of phenotypic sexes.</span></p>
Figure 8 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 8—Ventral view of the basicranium of the type of Daspletosaurus torosus. Note the presence of a pair of small, anterior foramina within the central cavity.
Figure 9 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 9—Posterior-ventral views of the braincase in Tyrannosaurus rex and Tarbosaurus (after Maleev, 1974). Note the great breadth between the basitubera.
Figure 1 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 1 —Nanotyrannus, the Cleveland Pygmy Tyrannosaur, shown in scale with an adult Tyrannosaurus rex and with the largest extant terrestrial meateaters, a Siberian tiger and a polar bear. The body frame of Nanotyrannus is taken from the type of Gorgosaurus stembergi, scaled to match the skull size of Nanotyrannus.
Fig. 4 in Thermal ecology of the Pygmy Alligator Lizard, Gerrhonotus parvus Knight and Scudday, 1985 (Squamata: Anguidae), in Nuevo Léon, Mexico
Fig. 4. Relationship between body temperature (T b), air temperature (T) and substrate temperature (T) for Gerrhonotus a s parvus of Sierra Madre Oriental in Nuevo León, Mexico.
Fig. 1 in Thermal ecology of the Pygmy Alligator Lizard, Gerrhonotus parvus Knight and Scudday, 1985 (Squamata: Anguidae), in Nuevo Léon, Mexico
Fig. 1. Distribution of Gerrhonotus parvus in northeastern Mexico. The stars indicate the localities of specimens used in this study: Cañon de San Isidro, Santiago (white star) and Ejido Santa Rita, Galeana (black star). The coordinates are shown around the edges of the map in the UTM/WGS84 metric system.
FIGURE 4 in Morphological and genetic diversification of pygmy and marbled newts, with the description of a new species from the wider Lisbon Peninsula (Triturus, Salamandridae)
FIGURE 4 Geographical clines observed for 'Triturus pygmaeus' in a longitudinal transect across central Portugal (see fig. 3), with T. rudolfi nov. sp. in the west and T. pygmaeus in the east. The horizontal axis is distance in km, measured from the nominal centre of the contact zone at Entroncamento railway station. The vertical axes are from top to bottom, left column – PCA2 for 54 SNP markers and the frequency of the eastern mtDNA haplotype, and in the right-hand column – the number of links and body size (lnSVl1) of adult males and females. Solid dots represent populations and the grey areas represent the 95% credibility intervals. Note that the colour bar is applied to fig. 3B. The formal cline descriptions are in supplementary table S3.
FIGURE A1 in Morphological and genetic diversification of pygmy and marbled newts, with the description of a new species from the wider Lisbon Peninsula (Triturus, Salamandridae)
FIGURE A1 Holotype of Triturus rudolfi sp. nov. at right (top) and left lateral view (middle), and in ventral view (bottom). Size bar is 1 cm. Stored at the Museo Nacional de Ciencias Naturales, Madrid, Spain under catalogue number 51784. Downloaded from Brill.com 07/10/2024 02:01:22PM via Open Access. This is an open access article distributed under the terms of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/
FIGURE 5 in Morphological and genetic diversification of pygmy and marbled newts, with the description of a new species from the wider Lisbon Peninsula (Triturus, Salamandridae)
FIGURE 5 Histogram for the number of links (Nlinks) observed in Iberian large-bodied newts, with low values for Triturus marmoratus (top panel), intermediate values for T. rudolfi sp. nov. (middle panel) and low to high values for T. pygmaeus (bottom panel). A distinction is made between T. p. pygmaeus from the Betic region (grey bars) and T. p. lusitanicus from the remainder of the species range (open bars) (see Arntzen, 2024). The optimal separation of T. rudolfi nov. sp. versus T. p. lusitanicus is achieved at Nlinks = 6.8, as shown by an interrupted line. To the right examples are shown of individuals with low and high link counts. Animals are facing left, with T. marmoratus from Gerês, northern Portugal at the top and T. p. lusitanicus from Sagres, southern Portugal at the bottom. Links are counted over the left and right side of the newts' bodies, in between the insertion of the fore- and hind leg. THE IMAGERY IS REPRODUCED FROM ARNTZEN (2018)
Figure 11 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 11—Lateral, dorsal and ventral outlines of the skulls of tyrannosaurs drawn to the same length, except for Alioramus. Deinonychid drawn to the same height as Alioramus, Nanotyrannus and G. stembergi. Jurassic theropods — allosaurs and ceratosaur — drawn to a constant skull depth. The tarbosaur skull is labeled to show the features that distinguish an advanced tyrannosaur from a Jurassic allosaur.
Figure 12 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 12 continued—Two isolated teeth ascribed to Nanotyrannus, uncatalogued, Corson Co., South Dakota, Denver Museum of Natural History. Leftto-right: posterior view, inner (lingual) view, anterior view. Symbols as in previous figure.
Figure 12 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 12—Tyrannosaurid teeth. Left seventh dentary tooth of Tyrannosaurus (AMNH 5027). Left-to-right: crown view, posterior view, outer (buccal) view, anterior view. Cross sections given as indicated by arrows. Single heavy arrow shows termination of serrated keel. Double heavy arrow shows termination of unserrated keel.
Figure 3 in Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana
Figure 3—Front and occipital views of the type of Nanotyrannus lancensis. The twisting distortion of the muzzle has been corrected. The right posterior corner of the temporal region has been restored from the left side and the forward compresssion of the quadratojugal has been removed.
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.