| Mazonova Temporal range:
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|---|---|
Egg fossil classification 
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| Oogenus: | †Mazonova Godfrey, 1995 |
| Type oospecies | |
| †Mazonova helmichnus Godfrey, 1995
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Mazonova is an oogenus of fossilized eggs from the Mazon Creek area in the Pennsylvanian of Illinois. They are laid in long strings of eggs enclosed in a gelatinous sheath containing one or two rows of eggs. It is unknown what kind of animal laid the eggs.[1]
- ^ Godfrey, S.J. (1995). "Fossilized Eggs from the Pennsylvanian of Illinois." Ichnos: an international journal for plant and animal traces. 4(1):71-75.