kids encyclopedia robot

Image: 1911 Britannica-Arachnida-Sao hirsuta

Kids Encyclopedia Facts
Original image ‎(2,346 × 2,400 pixels, file size: 347 KB, MIME type: image/png)

Description: From Korschelt and Heider, after Barrande. Five Stages in the development of the trilobite Sao hirsuta. A, Youngest stage. B, Older stage with distinct pygidial carapace. C, Stage with two free mesosomatic somites between the prosomatic and telsonic carapaces. D, Stage with seven free intermediate somites. E, Stage with twelve free somites; the telsonic carapace has not increased in size. a, Lateral eye. g, So-called facial “suture” (not really a suture). p, Telsonic carapace.
Title: 1911 Britannica-Arachnida-Sao hirsuta
Credit: Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 301
Author: Encyclopædia Britannica, 1911
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

The following page links to this image:

kids search engine
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.