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| Tristraguloolithus Temporal range: | |
|---|---|
| Egg fossil classification | |
| Basic shell type: | Ornithoid |
| Morphotype: | Ornithoid-ratite |
| Oogenus: | †Tristraguloolithus Zelenitsky, Hills & Currie, 1996 |
Tristraguloolithus is an oogenus of dinosaur egg from the late Campanian of Alberta.