Sidneya
 
 
 



 
This life form is globally extinct
DB ID: 8340

Illustration of Sidneyia inexpectans
Science Source
https://www.sciencesource.com/1069112-burgess-shale-arthropod-stock-image-rights-managed.html

Sidneya Collectibles Gallery

Panini 1974 Prehistoric Animals Stickers