Spheroolithus

Spheroolithus is an oogenus of dinosaur egg.

Oospecies

The following species are described:Paraspheroolithus sanwangbacunensisParaspheroolithus yangchengensisSpheroolithus albertensisSpheroolithus choteauensis Spheroolithus europaeusSpheroolithus irenensisSpheroolithus jincunensisSpheroolithus maiasauroidesSpheroolithus megadermusSpheroolithus spheroides

''Spheroolithus tenuicorticus''

Distribution

Fossils of the oogenus were found in:

Dinosaur Park and Oldman Formations, Alberta, Canada
China
Ohyamashimo Formation, Japan
Cerro del Pueblo Formation, Mexico
Nemegt & Bayan Shireh Formations, Mongolia
La Posa Formation, Spain
Two Medicine Formation, Montana and North Horn Formation, Utah, United States
Lameta Formation, India