| Quasipetalichthys Temporal range: Middle Devonian: Givetian Stage
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Petalichthyida |
| Family: | †Quasipetalichthyidae |
| Genus: | †Quasipetalichthys Liu, 1973 |
| Species: | †Q. haikouensis
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| Binomial name | |
| †Quasipetalichthys haikouensis Liu, 1973
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Quasipetalichthys haikouensis is the type and only known species of the extinct petalichthid placoderm, Quasipetalichthys. Fossil remains of Quasipetalichthys have been found in the Middle Devonian, Givetian faunal stage of China.