Aegirocassis

Rarity: Common

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At a glance

Class

Figure

Domain

Nature

Knowledge cost

2

Influence

2

Resistance

4

In collections

Nobody has pulled it yet.

What Wikipedia says

Aegirocassis (″Aegir's helmet″) is an extinct genus of giant radiodont arthropod belonging to the family Hurdiidae that lived 480 million years ago during the early Ordovician in the Fezouata Formation of Morocco. It is known by a single species, Aegirocassis benmoulai.

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

Image: Junnn11, CC BY-SA 4.0, via Wikimedia Commons.