Fossil urchin clypeasteroida echinoid

Description

Fossil urchin , irregularia clypeasteroida echinoid [https://en.wikipedia.org/wiki/Sea_urchin](https://en.wikipedia.org/wiki/Sea_urchin) [https://en.wikipedia.org/wiki/Irregularia](https://en.wikipedia.org/wiki/Irregularia) [https://en.wikipedia.org/wiki/Clypeaster](https://en.wikipedia.org/wiki/Clypeaster) #__________________________________________________________________# ###**You can see this model with turntable animation ---> **### ### ... [https://sketchfab.com/models/2bc77a3ab36248deb14c6132ae73106f/embed?autospin=0.2&autostart=1&camera=0&preload=1](https://sketchfab.com/models/2bc77a3ab36248deb14c6132ae73106f/embed?autospin=0.2&autostart=1&camera=0&preload=1)