Metoolithus

Metoolithus; Temporal range: Chadronian PreЄ Є O S D C P T J K Pg N ↓
Egg fossil classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Oogenus:	†Metoolithus
Oospecies
	M. nebraskensis;

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]

References

Jackson, Frankie D.; Varricchio, David J.; Corsini, Joseph A. (2013). "Avian Eggs from the Eocene Willwood and Chadron Formations of Wyoming and Nebraska". Journal of Vertebrate Paleontology. 33 (5): 1190–1201. doi:10.1080/02724634.2013.769445.

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[Jacksonetal2013-1] Jackson, Frankie D.; Varricchio, David J.; Corsini, Joseph A. (2013). "Avian Eggs from the Eocene Willwood and Chadron Formations of Wyoming and Nebraska". Journal of Vertebrate Paleontology. 33 (5): 1190–1201. doi:10.1080/02724634.2013.769445.