| Homalocephale Temporal range: Late Cretaceous,
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| Mounted holotype in the Mongolian Natural History Museum, 2002 | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Pachycephalosauria |
| Family: | †Pachycephalosauridae |
| Genus: | †Homalocephale Maryanska & Osmolska, 1974 |
| Species: | †H. calathocercos
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| Binomial name | |
| †Homalocephale calathocercos Maryanska & Osmolska, 1974
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Homalocephale (from Greek ὁμαλός, homalos, "even", and κεφαλή, kephalē, "head") is a genus of pachycephalosaurid dinosaur that lived during the Late Cretaceous period of what is now the Nemegt Formation, Mongolia, about 70 million years ago. The genus was described in 1974 by Halszka Osmólska and Teresa Maryańska, and consists of a single species, H. calathocercos. Though Homalocephale has been regarded as a synonym (and juvenile form) of Prenocephale, juvenile specimens of the latter indicate that they were distinct. Homalocephale was 1.8 m (5.9 ft) long and possibly a omnivore.