| Nanantius Temporal range: Early Cretaceous,
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|---|---|
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| Tibiotarsus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Avialae |
| Clade: | †Enantiornithes |
| Genus: | †Nanantius Molnar, 1986 |
| Species: | †N. eos
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| Binomial name | |
| †Nanantius eos Molnar, 1986
| |
Nanantius is a genus of extinct enantiornithean avialan ("bird" in the broad sense of the word) known from the Early Cretaceous (Albian, c. 100–112 mya) of Australia.