Tapanila, Leif (2007): Images and animation of a complex microboring (Pyrodendrina cupra n. igen. and isp.) from the early Paleozoic of Anticosti Island, Canada [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.633815
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Abstract:
Three complementary imaging techniques were used to describe a complex rosette-shaped microboring that penetrates the shells of brachiopods from the Ordovician–Silurian shallow marine limestones of Anticosti Island, Canada. Pyrodendrina cupra n. igen. and isp. is among the oldest dendrinid microborings and consists of shallow and deep penetrating canals that radiate from a central polygonal chamber. The affinity of the tracemaker is unknown, but a foraminiferal origin, as proposed for some dendrinid borings, is rejected. Combining microCT with traditional stereomicroscopy and SEM helped distinguish and quantify fine morphological features while maintaining contextual information of the microboring within the shell substrate. Different imaging techniques inherently bias the description of microborings. These biases must be accounted for as new methods in ichnotaxonomy are integrated with past research based on different methods.
Related to:
Tapanila, Leif (2008): The medium is the message: imaging a complex microboring (Pyrodendrina cupra igen. n., isp. n.) from the early Paleozoic of Anticosti Island, Canada. In: Wisshak, Max & Tapanila, Leif (eds.) Current Developments in Bioerosion. In: Freiwald, André (series ed.) Erlangen earth conference series. Springer-Verlag, Berlin Heidelberg, 123-145, https://doi.org/10.1007/978-3-540-77598-0_7
Coverage:
Latitude: 49.246400 * Longitude: -62.378100
Date/Time Start: 1998-07-15T00:00:00 * Date/Time End: 1998-07-15T00:00:00
Minimum ORDINAL NUMBER: 1 * Maximum ORDINAL NUMBER: 3
Event(s):
Comment:
Methods:
Micro-computed tomography (MCT) image of brachiopod shell containing pyrite-infilled microborings. Fossil specimen collected from Silurian limestone outcrop on Anticosti Island, Québec, Canada.
Formats:
The SDT and RAW files can be viewed in VolSuite 3.2 for full 3D rendering, or in ImageJ 1.29x for 2D rendering. The AVI movie file is an animation derived from an ImageJ rendering.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | ORDINAL NUMBER | Ord No | Geocode | |||
| 2 | File format | File format | Tapanila, Leif | |||
| 3 | File size | File size | kByte | Tapanila, Leif | ||
| 4 | Uniform resource locator/link to raw data file | URL raw | Tapanila, Leif |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
9 data points