Cordulephya bidens is a species of dragonfly in the superfamily Libelluloidea, known as the tropical shutwing. It inhabits rainforest streams in northern Queensland, Australia.

Cordulephya bidens is a small to tiny, black or purplish-black dragonfly with yellowish markings. It rests with its wings folded above its body in a similar manner to a damselfly.

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