Spheroolithus

† Spheroolithus is a fossil egg ootaxon from the Late Cretaceous of Mongolia, grouped within Spheroolithidae. These spherical eggs with prismatic columnar eggshell microstructure are typically attributed to hadrosaur or sauropod dinosaurs.

Diet & Feeding

Herbivore

Spheroolithus was a plant-eating dinosaur. Herbivores typically fed on ferns, cycads, conifers, and other vegetation available during their era. Many herbivorous dinosaurs developed specialized teeth and digestive systems for processing tough plant material.

Time Period

Cretaceous Late Mesozoic Era

Spheroolithus lived during the Cretaceous Late period of the Mesozoic Era, approximately 100.5 to 66.0 million years ago.

恐龙时代的最终篇章，出现了霸王龙、三角龙、伶盗龙等标志性物种。恐龙在奇克苏鲁陨石撞击终结中生代之前达到了多样性顶峰。

Discovery & Naming

发现地点

Mongolia

Quick Facts

地质时代	Cretaceous Late
食性	Herbivore

常见问题

When did Spheroolithus live?

Spheroolithus lived during the Cretaceous Late period (Mesozoic Era, 100.5–66.0 million years ago).

What did Spheroolithus eat?

Spheroolithus was a herbivore.

Where were Spheroolithus fossils found?

Fossils of Spheroolithus were found in Mongolia.

Compare with Similar Dinosaurs

Spheroolithus vs Aletopelta coombsi Spheroolithus vs Adynomosaurus arcanus Spheroolithus vs Maniraptora

Explore More

Cretaceous Late

All dinosaurs from this period

Herbivores

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Data verified 三月 2026

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