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File:Toretocnemus zitteli Skull.jpg

From Wikipedia, the free encyclopedia

Original file ‎(2,788 × 1,695 pixels, file size: 933 KB, MIME type: image/jpeg)

Summary

Description
Various fossils pertaining to the holotype of the Triassic ichthyosaur Toretocnemus (originally Leptocheirus, also Merriamia) zitteli. This image is derived from plate 23 in Merriam (1903), done by an uncredited artist. The arrangement of the individual figures has been modified from the original (most notably, figures 3 and 4 were swapped to minimize confusion).

Original description: Leptocheirus zitteli n. gen. and sp.

Figures reproduced natural size from the type specimen.

  • Fig. 1.— Right side of skull.
  • Fig. 2. — Cross-section of posterior portion of the lower jaw, taken above the point marked A on the lateral view of the skull.
  • Fig. 3. — Cross-section of the upper and lower jaws, taken at the break immediately behind the point marked Sp on the lateral view of the skull.
  • Fig. 4. — Lateral view of an anterior caudal centrum.

Legend (modified from original):

  • Ar - articular
  • A - angular
  • D - dentary
  • J - jugal
  • L - lacrimal
  • Mx - maxilla
  • Po - postorbital
  • Sa - surangular
  • Se - sclerotic ring
  • Sp - spenial
  • T - cross-section of tooth
  • X - doubtful element
Date
Source https://www.biodiversitylibrary.org/item/148596#page/370/mode/2up
Author Uncredited

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Toretocnemus_zitteli_Skull.jpg

Captions

Fossils of ''Toretocnemus zitteli''

Items portrayed in this file

depicts

Toretocnemus

inception

1 May 1903Gregorian

media type

image/jpeg

File history

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

Date/TimeThumbnailDimensionsUserComment
current14:16, 14 March 2022Thumbnail for version as of 14:16, 14 March 20222,788 × 1,695 (933 KB)Slate WeaselUploaded a work by Uncredited from https://www.biodiversitylibrary.org/item/148596#page/370/mode/2up with UploadWizard
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Metadata

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Retrieved from "https://en.wikipedia.org/wiki/File:Toretocnemus_zitteli_Skull.jpg"
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.
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