Spheroolithidae
Spheroolithidae is an oofamily of dinosaur eggs. It contains Guegoolithus, Spheroolithus, and Paraspheroolithus. Like modern birds, the eggshell membrane formed before the calcareous part of the shell.
| Spheroolithidae | |
|---|---|
| Spheroolithus eggs from China | |
| Egg fossil classification | |
| Basic shell type: | †Dinosauroid-spherulitic |
| Oofamily: | †Spheroolithidae |
| Oogenera | |
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