CT Scan of the six-armed brittle star Ophiactis hex (Echinodermata: Ophiuroidea) – Supplementary material to Thuy et al. (2024): "Fossil evidence for the ancient link between clonal fragmentation, six-fold symmetry and an epizoic lifestyle in asterozoan echinoderms"
| DOI: | https://doi.org/10.57756/5qej7m |
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| Creator(s): |
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| Publication date: | 18 Apr 2024 |
| Publisher: | Naturhistorisches Museum Wien (NHMW) |
| Collections: | Central Research Laboratories , Geology & Palaeontology |
| Instrument: | YXLON FF35 CT |
| Resource type: | Dataset |
| Specimen: | SMNS 70508 |
| License: |
CC BY 4.0 International |
| Tags: | Ct-scan Holotype Type material |
| Countries: | Germany |
| Chronology: | Kimmeridgian |
| Taxa: | Ophiuroidea |
| Share: |
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https://orcid.org/0000-0001-5307-3420Abstract
MicroCT scan of a the holoype (specimen SMNS 70508) of the new species Ophiactis hex Thuy et al., 2024 (Echinodermata: Ophiuroidea: Ophiactidae) from the Nusplingen Quarry on top of Westerberg hill, Nusplingen, Germany; Nusplingen Lithographic Limestone (Nusplingen Formation), Beckeri Zone, Ulmense Subzone, late Kimmeridgian, Late Jurassic.the in the collection of the Palaeontology Department, State Museum of Natural History Stuttgart.
Usage Notes
System: YXLON FF35 CT at the NHM Vienna, Austria
Detector: Perkin Elmer Y.Panel 4343 CT
Detail scan:
Beam: FXE Transmission beam
Filter: 0.2 mm Copper
Scan Parameters: 45 kV, 110 µA, 2000 ms exposure time, 1x1 binning, 3600 projection images
Isotropic voxel size: 7.1 µm
Overview scan:
Beam: FXE Transmission beam
Filter: 0.2 mm Copper
Scan Parameters: 65 kV, 165 µA, 2000 ms exposure time, 1x1 binning, 1800 projection images
Isotropic voxel size: 13.1 µm
Publications
Thuy, B., Numberger-Thuy, L.D., Härer, J., Kroh, A., Winkler, V. & Schweigert, G. (submitted) Fossil evidence for the ancient link between clonal fragmentation, six-fold symmetry and an epizoic lifestyle in asterozoan echinoderms. Proceedings of the Royal Society B
Downloads
| File | Description | Size |
|---|---|---|
| SMNS-70508-Ophiactis-hex-fossil_ReconInfos.xml | Reconstruction parameters of the overview microCT scan of Ophiactis hex (SMNS 70508) | 0 MB |
| SMNS-70508-Ophiactis-hex-fossil_ScanInfos.xml | Scanning parameters of the overview microCT scan of Ophiactis hex (SMNS 70508) | 0.01 MB |
| SMNS-70508-Ophiactis-hex-fossil_TIF.zip | TIFF image stack of the overview microCT scan of Ophiactis hex (SMNS 70508) | 5073.16 MB |
| SMNS-70508-Ophiactis-hex-fossil-detail_ReconInfos.xml | Reconstruction parameters of the detail microCT scan of Ophiactis hex (SMNS 70508) | 0 MB |
| SMNS-70508-Ophiactis-hex-fossil-detail_ScanInfos.xml | Scanning parameters of the detail microCT scan of Ophiactis hex (SMNS 70508) | 0.01 MB |
| SMNS-70508-Ophiactis-hex-fossil-detail_TIF.zip | TIFF image stack of the detail microCT scan of Ophiactis hex (SMNS 70508) | 9396.96 MB |
Media
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