Projects
1254 Projects

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.

Projects can be used to share media ownership and access between project members, and projects can also be used to publish assortments of media and specimens for access and discovery by the public. If you want to share media ownership and access with multiple users across multiple projects, consider creating a user team. Projects can be managed by teams, and users with access to that team also gain access to any projects managed by that team.

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Title Description Team Creator Media Objects
Display all details of Anthropology Section 3D Scans The CU Museum of Natural History would like to acknowledge that we are located on the traditional territories of at least 49 federally recognized tribal nations, including the Arapaho, Cheyenne, and Ute peoples who have historic ties to the land that currently makes up the state of Colorado. The Anthropology section of the museum provides stewardship for cultural items and archeology representing these nations, as well as peoples from across the world. We are committed to seeking guidance and ongoing dialogue with these communities. We ask that you view the items in this database with respect for the people who made and used them. If there is erroneous information in any of the records or a 3D object that should not be viewed, please contact us using the contact information provided below. Christina Cain, Collections Manager christina.cain@colorado.edu 303-492-2198 CUMNH Anthropology Staff University of Colorado Museum of Natural History, Anthropology Collections 0 0
Display all details of A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists Over the last three years, three new species of saw-browed diamond frogs (Rhombophryne serratopalpebrosa species group)—a clade of cophyline microhylid frogs native to northern and eastern Madagascar—have been described. We here review the taxonomy of these frogs based on a new multi-gene phylogeny of the group, which confirms its monophyly but is insufficiently resolved to clarify most intra-group relationships. We confirm Rhombophryne guentherpetersi (Guibé, 1974) to be a member of this group, and we re-describe it based on its type series and newly collected material, the species is characterised by small superciliary spines (overlooked in its original description), as well as large tibial glands and an unusually laterally compressed pectoral girdle. We go on to describe two new species of this group from northern Madagascar: both R. diadema sp. nov. from the Sorata Massif and R. regalis sp. nov. from several sites in the northeast of the island possess three superciliary spines, but they are characterised by several subtle morphological and osteological differences. The new species are separated from all known congeners by an uncorrected pairwise distance of at least 5.1% in a ca. 550 bp fragment of the 16S rRNA gene. In order to highlight the significance of the skeleton in the taxonomy of this group, we provide a detailed description of its generalized osteology based on volume-rendered micro-CT scans of all described members, revisiting al- ready-described skeletons of some species, and describing the skeletons of R. guentherpetersi, R. coronata, and the new taxa for the first time. Use of volume rendering, instead of surface rendering of micro-CT data, resulted in some discrepancies due to the properties of each method. We discuss these inconsistencies and their bearing on the relative value of surface and volume rendering in the taxonomist’s toolkit. We argue that, while surface models are more practical for the reader, volumes are generally a more objective representation of the data. Thus, taxonomic description work should be based on volume rendering when possible, with surface models presented as an aid to the reader. Evolutionary and Systematic Herpetology 28 14
Display all details of Diamond frogs forever: A new species of Rhombophryne Boettger, 1880 (Microhylidae, Cophylinae) from Montagne d’Ambre National Park, north Madagascar Although taxonomic progress on the frogs of Madagascar is currently proceeding at an unprecedented pace, the goal of completing the amphibian inventory of this hyper-diverse island is still far off. In part this is because more new species continue to be discovered at a high rate, in some cases within well-studied areas. Here, I describe Rhombophryne ellae sp. nov., a new species of diamond frog discovered in Montagne d’Ambre National Park in the north of Madagascar in 2017. This new species is highly distinctive in having orange flash-markings on its hindlimbs (not known from any described Rhombophryne), and large, black inguinal spots (larger than in all other described Rhombophryne species). It is separated from all named Rhombophryne by a substantial uncorrected pairwise distance in the 16S rRNA mitochondrial barcode marker (>7%), and is most closely related to an undescribed candidate species from Tsaratanana in northern Madagascar. Rhombophryne ellae sp. nov. adds another taxon to the growing list of cophyline microhylids that have red to orange flash-markings, the function of which remains unknown and which has clearly evolved repeatedly in this radiation. The discovery of such a distinctive species within such a well-studied park points toward the low detectability of semi-fossorial frogs, and the role of inclement weather in increasing that detectability. Evolutionary and Systematic Herpetology 1 1
Display all details of Phylogeny of Archerfishes 19 19
Display all details of SAMA P40536 Australian dinosaur research has undergone a renaissance in the last ten years, with growing knowledge of mid-Cretaceous assemblages revealing an endemic high-paleolatitude Gondwanan fauna. One of its most conspicuous members is ankylosaurs, which are rare but nonetheless occur in most Australian dinosaur-bearing formations spanning the uppermost Barremian to lower Cenomanian. Here we describe a partial ankylosaur skull from the marine Toolebuc Formation exposed at Boulia in western Queensland, Australia. This skull represents the oldest ankylosaurian material from Queensland, predating the holotype of Kunbarrasaurus ieversi, which was found in the overlying Allaru Mudstone. The ankylosaur skull is encased in a limestone concretion with the maxillary tooth rows preserved only as impressions. Synchrotron radiation X-ray tomography was used to non-destructively image the specimen and facilitate virtual preparation of the separate cranial bones. Tomographic scans revealed the vomer, palatines, sections of the ectopterygoids, maxillae, and multiple teeth. Significantly, these elements are not fully observable in the holotype of K. ieversi. Thus, our new tomographic data sheds light on both the osteology and phylogenetic relationships of the taxon. The vomer is anteroposteriorly elongated, becoming mediolaterally expanded and bulbous anteriorly. There is no fusion between the vomer and surrounding palatal skeleton, although it is closely associated with the palatines posteriorly. The palatines are angled anteroventrally, and together with the ectopterygoid, form the posterior margin of the choanae. The teeth have 6–7 denticles, similar to K. ieversi and other nodosaurids, but unlike the 10–11 denticles observed in ankylosaurid teeth from the upper Strzelecki Group of Victoria in southeastern Australia. A prominent cingulum is preserved on the labial facet and, in some teeth, is also present on the lingual facet. The lingual cingulum is apical to its labial counterpart, as seen in nodosaurids. The phylogenetic analysis places the ankylosaur skull as the sister taxon of K. ieversi, prompting taxonomic referral to cf. Kunbarrasaurus sp. The Boulia cf. Kunbarrasaurus sp. skull thus elucidates aspects of palatal morphology in Australian ankylosaurs and highlights one of the most ubiquitous components of Australian mid-Cretaceous dinosaur faunas. Timothy Frrauenfelder 19 1
Display all details of Weedy Seadragon Scans Leafy and Weedy Seadragon Genomes Connect Genic and Repetitive DNA Features to the Extravagant Biology of Syngnathid Fishes. Clay Small, Hope M. Healey, Mark C. Currey, Emily A. Beck, Julian Catchen, A. Lin, William A. Cresko, Susan Bassham. PNAS. 2022. Cresko Laboratory 3 1
Display all details of Conodont P1 elements from the Early Smithian (Olenekian, Early Triassic) of Wadi ad Daffah (Oman) There are 159 3D surfaces of Neospathodus spp. Please cite Guenser et al. 2022 (Palaeontology) if you use this data set for your research. Pauline Guenser 159 159
Display all details of Scripps Institution of Oceanography CT scans of the SIO Marine Vertebrate Collection 132 68
Display all details of Reassessment of Faxinalipterus minima, a purported Triassic pterosaur from southern Brazil with the description of a new taxon This project includes 3D model and scan related to the publication "Reassessment of Faxinalipterus minima, a purported Triassic pterosaur from southern Brazil with the description of a new taxon" 2 1
Display all details of STLs of Thalattosuchus superciliosus NHMUK PV R 11999 9 1
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