Petalomyrmex (from Greek petalos, "flattened" + myrmex, "ant") is a genus of ants in the subfamily Formicinae.

[1] It contains the single species Petalomyrmex phylax, known only from Cameroon.

The genus is closely related to Aphomomyrmex.

[2] This Formicinae-related article is a stub.

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