Ophiacodontidae

Rarity: Common

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At a glance

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Nature

Knowledge cost

3

Influence

4

Resistance

4

In collections

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What Wikipedia says

Ophiacodontidae is an extinct family of early eupelycosaurs from the Carboniferous and Permian. Archaeothyris, and Clepsydrops were among the earliest ophiacodontids, appearing in the Late Carboniferous.

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

Image: User:ArthurWeasley, CC BY 2.5, via Wikimedia Commons.