Metoolithus is an oogenus of fossil bird egg from Nebraska. It is known from a single, near-complete egg, as well as several eggshell fragments. They are small, (60 mm x 44 mm) and spheroid. They show a mix of avian and non-avian characteristics.[1]
| Metoolithus Temporal range: | |
|---|---|
Egg fossil classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Oogenus: | †Metoolithus Jackson, Varricchio & Corsini, 2013 |
| Oospecies | |
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