Ataeniopsis notabilis is a species of beetle of the family Scarabaeidae. It is found in Bolivia and Brazil (Mato Grosso, Piauí).

Description Adults reach a length of about . The body is reddish testaceous and the head is alutaceous. The clypeus is subtly, but rather widely sinuate. The pronotum is without a posterior marginal line and has punctures of two sizes irregularly spaced. The elytra are twice as long as the pronotum.

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