Diandongpetalichthys
| Diandongpetalichthys Temporal range: Lochkovian | |
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| Genus: | Diandongpetalichthys |
| Species: | D. liaojiaoshanensis |
| Binomial name | |
| Diandongpetalichthys liaojiaoshanensis P'an & Wang, 1978 | |
Diandongpetalichthys liaojiaoshanensis is an extinct petalichthyid placoderm from the Early Devonian of China.