File:Ctenacanthus formosus (fossil shark spine) (Pennsylvanian; Kansas or Nebraska, USA) 1.jpg
_(Pennsylvanian;_Kansas_or_Nebraska,_USA)_1.jpg){kind=small}
Size of this preview: 800 × 293 pixels. Other resolutions: 320 × 117 pixels | 640 × 235 pixels | 1,024 × 375 pixels | 1,280 × 469 pixels | 3,624 × 1,328 pixels.
Original file (3,624 × 1,328 pixels, file size: 3.67 MB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Ctenacanthus formosus Newberry, 1873 - fossil shark spine from the Pennsylvanian of Kansas or Nebraska, USA. (public display, Nebraska State Museum of Natural History, Lincoln, Nebraska, USA)
The Pennsylvanian-aged shark spine shown above has been identified as Ctenacanthus formosus. However, the species was originally described from Mississippian rocks. The spine was originally located along the anterior margin of the shark's dorsal fin. Classification: Animalia, Chordata, Vertebrata, Chondrichthyes, Elasmobranchii, Ctenacanthiformes, Ctenacanthidae Stratigraphy: possibly the Bonner Springs Formation (Bonner Springs Shale), Upper Pennsylvanian Locality: unrecorded/undisclosed site in Nebraska or Kansas, USA |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/34115196432/ |
| Author | James St. John |
Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- 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.
|
This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/34115196432. It was reviewed on 10 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:52, 10 March 2020 | | 3,624 × 1,328 (3.67 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/34115196432/ with UploadWizard |
File usage
The following 4 pages use this file:
Global file usage
The following other wikis use this file:
- Usage on zh.wikipedia.org
_(Pennsylvanian;_Kansas_or_Nebraska,_USA)_1.jpg){kind=link}