File:Ediacara placeholder banner.jpg
Original file (1,476 × 211 pixels, file size: 481 KB, MIME type: image/jpeg)
|
This is a file from the Wikimedia Commons and may be used by other projects. Information from its description page there is shown below.
Commons is a freely licensed media file repository. |
Summary
| Description |
Dickinsonia costata Sprigg, 1947 in quartzose sandstone from the Precambrian of Australia. (SAM P13750/P40679, South Australian Museum, Adelaide, Australia) (~7.7 cm long) Soft-bodied macroscopic fossils have long been known from upper Neoproterozoic (Ediacaran) rocks, but they continue to generate much excitement among geologists. Biologic interpretations of Ediacaran organisms have been all over the map. Many Ediacaran fossils appear to be animals, but some paleontologists have interpreted them as lichens or giant protists or members of an extinct kingdom. One of the quintessential examples of an Ediacaran fossil is Dickinsonia. Prima facie, it appears bilaterally symmetrical, but it does have subtle asymmetry. It has the general appearance of a flattened worm with a stretched pancake body. This Dickinsonia specimen is from the Flinders Ranges of South Australia, one of the world’s classic localities for Ediacaran fossils. As do most Ediacarans, Dickinsonia displays soft-part preservation in a matrix of clean, quartzose sandstone. Stratigraphy: Ediacara Member, Rawnsley Quartzite, near-uppermost Neoproterozoic Locality: Flinders Ranges, South Australia |
|||
| Date | ||||
| Source | Dickinsonia costata (Ediacaran fossil) (Ediacara Member, Rawnsley Quartzite, near-uppermost Neoproterozoic; Flinders Ranges, South Australia) 1 | |||
| Author | James St. John | |||
| Other versions |
|
_(Ediacara_Member,_Rawnsley_Quartzite,_near-uppermost_Neoproterozoic;_Flinders_Ranges,_South_Australia)_1_(15018192227).jpg)
Licensing
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:22, 22 December 2021 | | 1,476 × 211 (481 KB) | SHB2000 | File:Dickinsonia costata (Ediacaran fossil) (Ediacara Member, Rawnsley Quartzite, near-uppermost Neoproterozoic; Flinders Ranges, South Australia) 1 (15018192227).jpg cropped -16 % horizontally, 86 % vertically, rotated 90° using CropTool with precise mode. |
_(Ediacara_Member,_Rawnsley_Quartzite,_near-uppermost_Neoproterozoic;_Flinders_Ranges,_South_Australia)_1_(15018192227).jpg){kind=link}
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on www.wikidata.org
