Tristraguloolithus
Temporal range: Late Campanian
Egg fossil classification Edit this classification
Basic shell type: Ornithoid
Morphotype: Ornithoid-ratite
Oogenus: †Tristraguloolithus
Zelenitsky, Hills & Currie, 1996

Tristraguloolithus is an oogenus of dinosaur egg from the late Campanian of Alberta.[1]

See also

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References

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  1. ^ D. K. Zelenitsky, L. V. Hills, and P. J. Currie. (1996). Parataxonomic classification of ornithoid eggshell fragments from the Oldman Formation (Judith River Group; Upper Cretaceous), southern Alberta. Canadian Journal of Earth Sciences 33:1655-1667


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Galliformes

origin but might even be as old as the Late Cretaceous. The ichnotaxon Tristraguloolithus cracioides is based on fossil eggshell fragments from the Late Cretaceous

Egg fossil

Ageroolithus Diamantornis Ornitholithus Reticuloolithus Struthiolithus Tristraguloolithus Tubercuoolithus Oofamily Elongatoolithidae Continuoolithus Ellipsoolithus

Cracidae

consistent with the paleogeography of the Americas. The ichnotaxon Tristraguloolithus cracioides is based on fossil eggshell fragments from the Late Cretaceous

Dinosaur egg

Spheruprismatoolithus Stromatoolithus Subtiliolithus Tacuarembovum Trachoolithus Tristraguloolithus Youngoolithus Non-avian dinosaur embryos, the animal inside the eggs

Bird ichnology

Cretaceous) – paleognath? † Subtiliolithus (Late Cretaceous of Mongolia) † Tristraguloolithus (Oldman Late Cretaceous of S Alberta, Canada) – galliform (cracid)