Alamosaurus

Alamosaurus

†Alamosaurus was a giant titanosaurian sauropod from the Late Cretaceous (~70-66 Ma) of New Mexico, Utah, and Texas, USA. Revised estimates suggest it reached 20-30m and ~70,000kg — potentially the largest North American dinosaur. This quadrupedal herbivore is notably one of the last sauropods to live in North America, having re-colonized the continent from South America.

Diet & Feeding

Herbivore

Alamosaurus 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

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

恐竜の最後の時代で、ティラノサウルス・レックス、トリケラトプス、ヴェロキラプトルなど象徴的な種が活躍した。チクシュルーブ・クレーターの壊滅的な小惑星衝突によって中生代が終わる前に、恐竜は最大の多様性に達した。

Discovery & Naming

発見場所 United States

Quick Facts

地質時代 Cretaceous Late
食性 Herbivore

よくある質問

When did Alamosaurus live?
Alamosaurus lived during the Cretaceous Late period (Mesozoic Era, 100.5–66.0 million years ago).
What did Alamosaurus eat?
Alamosaurus was a herbivore.
Where were Alamosaurus fossils found?
Fossils of Alamosaurus were found in United States.

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