Jump to content

File:Feather stages diagram.svg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (SVG file, nominally 685 × 578 pixels, file size: 126 KB)

Summary

Description
English: Diagram showing the stages of feather evolution as outlined by Xu & Gou 2009.
  1. Single filament
  2. Multiple filaments joined at their base
  3. Multiple filaments joined at their base to a central filament
  4. Multiple filaments along the length of a central filament
  5. Multiple filaments arising from the edge of a membranous structure
  6. Pennaceous feather with vane of barbs and barbules and central rachis
  7. Pennaceous feather with an asymmetrical rachis
  8. Undifferentiated vane with central rachis
  • Xu, X. and Guo, Y. (2009). The origin and early evolution of feathers: insights from recent paleontological and neontological data. Vertebrata PalAsiatica 47 (4): 311-329.
Date
Source Own work
Author Matt Martyniuk

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported 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.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

13 November 2009

image/svg+xml

File history

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

Date/TimeThumbnailDimensionsUserComment
current20:04, 13 November 2009Thumbnail for version as of 20:04, 13 November 2009685 × 578 (126 KB)Dinoguy2{{Information |Description={{en|1=Diagram showing the stages of feather evolution as outlined by Xu & Gou 2009. # Single filament # Multiple filaments joined at their base # Multiple filaments joined at their base to a central filament # Multiple filamen

The following 2 pages use this file:

Global file usage

The following other wikis use this file: