File:Redondasaurus bermani skull.jpg

Original file(3,861 × 1,578 pixels, file size: 5.31 MB, MIME type: image/jpeg)

Summary

Description
English: Redondasaurus bermani Hunt & Lucas, 1993 - fossil reptile skull from the Triassic of New Mexico, USA. (CM 69727, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA)

Prima facie, this fossil skull looks like it is a crocodilian - but it's not! This is a phytosaur. Phytosaurs and crocodilians are unrelated reptiles that have similar body plans - an excellent example of convergent evolution. Phytosaurs are an extinct group of reptiles known only from Upper Triassic rocks, possibly extending into the Lower Jurassic.

This is the holotype skull of Redondasaurus bermani, a phytosaur from Triassic nonmarine rocks in New Mexico.

Classification: Animalia, Chordata, Vertebrata, Reptilia, Phytosauria, Phytosauridae or Parasuchidae

Stratigraphy: upper siltstone member, Rock Point Formation, Chinle Group (a.k.a. Rock Point Member, Chinle Formation), Rhaetian Stage, upper Upper Triassic

Locality: Whitaker Quarry (Ghost Ranch Quarry), Ghost Ranch, Rio Arriba County, northern New Mexico, USA


See info. at: en.wikipedia.org/wiki/Phytosaur and

en.wikipedia.org/wiki/Redondasaurus
Date
Source https://www.flickr.com/photos/jsjgeology/35992243526/
Author James St. John

Licensing

This image was originally posted to Flickr. Its license was verified as "cc-by-2.0" by the UploadWizard Extension at the time it was transferred to Commons. See the license information for further details.
w:en:Creative Commons
attribution
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.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

17 November 2012

0.01666666666666666666 second

21 millimetre

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current21:48, 28 July 2017Thumbnail for version as of 21:48, 28 July 20173,861 × 1,578 (5.31 MB)FunkMonkUser created page with UploadWizard
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata