Media are grouped by projects created by users. Projects tend to contain media tied together by a theme. A project might represent the dataset for a single peer-reviewed paper, the results of a collections digitization project, or data for a digital lesson plan.
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|Display all details of Associated materials - "Comparative anatomy and phylogenetic contribution of intracranial osseous canals and cavities in armadillos and glyptodonts (Xenarthra, Cingulata)" - Journal of Anatomy||CT-scans of specimens used in an exploration of intracranial osseous canals and cavities in armadillos and glyptodonts. Publication : https://doi.org/10.1111/joa.13512. For other specimens of the study, please contact Laureano R. González Ruiz - Laboratorio de Investigaciones en Evolución y Biodiversidad (LIEB-FCNyCS sede Esquel, UNPSJB) y Centro de Investigaciones Esquel de Montaña y Estepa Patagónica (CIEMEP), CONICET, Universidad Nacional de La Patagonia San Juan Bosco (UNPSJB), Chubut, Argentina.||Kévin Le Verger||13||13|
|Display all details of "Ziphiodelphis sigmoideus" - MGPT-PU13881/1||3D model of MGPT-PU13881/1 skull and associated digital endocast. The skull was digitalized through SfM photogrammetry in Meshroom while the digital endocast was created in Blender. Published in [...]||Daniello, Riccardo||2||1|
|Display all details of NMHM Paleopathology||Digital repository of paleopathological specimens from the National Museum of Health and Medicine||National Museum of Health and Medicine||57||35|
|Display all details of Preserving and Increasing Access to the Hamann-Todd Non-Human Primate Collection||The Cleveland Museum of Natural History will rehouse and digitize the Hamann-Todd Non-Human Primate Skeletal Collection (NHPC), one of the world’s largest collections of great apes. The project will process bones holding dried soft tissue to make them available for scientific study; 3D-scan specimens of a representative sample of the collection and provide research and education access online; and purchase new storage compactors and archival quality storage boxes to upgrade and extend collection preservation. The result will be a well-preserved NHPC that will be readily accessible for scientific research, education, and public engagement locally, nationally, and internationally.||CLEV Biological Anthropology Hamann-Todd Non-Human Primate Collection||Bailey, Christine||21||11|
|Display all details of Turtle neuroanatomy||Heather F. Smith||23||1|
|Display all details of Clement et al. (2022) Morphometric Analysis of Lungfish Endocasts Elucidates Early Dipnoan Palaeoneurological Evolution||Lungfish (Dipnoi) are lobe-finned fish (Sarcopterygii) that have persisted for over 400 million years from the Devonian Period to present day. They are the extant sister group to tetrapods and thus have the ability to provide unique insight into the condition of the earliest tetrapods as well as their own evolutionary history. The evolution of their dermal skull and dentition is relatively well understood, but this is not the case for the central nervous system. While the brain itself has very poor preservation potential and is not currently known in any fossil lungfish, substantial indirect information about it and associated structures such as the inner ears can be obtained from the cranial endocast. However, before the recent development of X-ray tomography as a palaeontological tool, these endocasts could not be studied non-destructively, and few detailed studies were undertaken. Here we describe and illustrate the endocasts of six Palaeozoic lungfishes (Iowadipterus halli, Gogodipterus paddyensis, Pillararhynchus longi, Griphognathus whitei, Orlovichthys limnatis, and Rhinodipterus ulrichi) from tomographic scans. We combine these with six previously described lungfish endocasts (4 fossil and 2 recent taxa), also based on tomographic studies, into a 12-taxon data set for multivariate morphometric analysis using 17 variables. We find that the olfactory region appears to be more highly plastic than the hindbrain, and undergoes significant elongation in several taxa. Further, while the semicircular canals covary as an integrated module, the utriculus and sacculus of the inner ear instead vary independently of each other. The functional and phylogenetic implications of our findings are discussed.||Clement, Alice||10||6|
|Display all details of Anatomy of Neoceratodus forsteri||Clement, Alice||9||1|
|Display all details of Modern and fossil snake tooth replacement||Tiff slices from CT scans of five snake species studied in the paper "A conserved tooth resorption mechanism in modern and fossil snakes".||LeBlanc, Aaron||5||5|
|Display all details of Clement et al. (2021) A fresh look at Cladarosymblema narrienense, a tetrapodomorph fish (Sarcopterygii: Megalichthyidae) from the Carboniferous of Australia, illuminated via X-ray tomography||Clement, Alice||19||2|
|Display all details of 3D pollination biology of cacao||Despite the economic importance of chocolate and that insect pollinators have been shown to limit cacao crop yields, little is known about the highly specialized pollination biology of Theobroma cacao L., and even less about its relatives, Byttneria spp., Ayenia spp., and Guazuma spp. For pollination, insects must go through Cacao’s bizarre petals (petal sacs) to come into contact with the pollen-containing anthers. Then, they need to either escape the petals and fly to another flower (for cross pollination) or come into contact with the pollen-receiving stigma (for self pollination). Acquiring and depositing pollen via movement through these intricate 3-dimensional structures is size- and geometry-specific. For example, if an insect is too small or not the right shape, it could crawl through the flower without interacting with the anthers or stigma at all. Ceratopogonid midges (Diptera) are often named cacao’s main pollinator, but field studies have found higher visitation rates for other small dipterans. It is also possible that different insects are responsible for population across cacao’s range. To determine the functional size limits of cacao’s pollinators, 3D measurements of floral structures can be used and compared with suspected pollinator dimensions to make hypotheses on which floral visitors are most likely to be successful. To precisely quantify plant-pollinator geometry and functional size limits of an effective pollinator for cacao and its relatives, we are using microcomputed tomography (micro-CT) and 3D geometric morphometrics.||Wolcott, Katherine||22||7|