Cidaroida

Rarity: Common

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At a glance

Class

Figure

Domain

Nature

Knowledge cost

4

Influence

5

Resistance

5

In collections

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What Wikipedia says

Cidaroida, also known as pencil urchins, is an order of primitive sea urchins, the only living order of the subclass Perischoechinoidea. All other orders of this subclass, which were even more primitive than the living forms, became extinct during the Mesozoic.

Excerpt from the Wikipedia article “Cidaroida”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Didier Descouens, CC BY-SA 3.0, via Wikimedia Commons.