Parahesperornis alexi

副黄昏鸟，白垩纪晚期的古鸟类。是黄昏鸟目的成员，在白垩纪晚期北美内陆海道中占据重要生态位。

食性与取食

Carnivore

Parahesperornis alexi 是肉食性捕食者。肉食性恐龙是配备了锋利牙齿和爪子的积极猎手或食腐动物。它们占据了各自生态系统食物链的顶端。

Cretaceous Late Mesozoic 代

Parahesperornis alexi 生活在距今约 100.5 至 66.0 百万年前的 Mesozoic 代 Cretaceous Late 纪。

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。

发现地点	United States

地质时代	Cretaceous Late
食性	Carnivore

When did Parahesperornis alexi live?

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

What did Parahesperornis alexi eat?

Parahesperornis alexi was a carnivore.

Where were Parahesperornis alexi fossils found?

Fossils of Parahesperornis alexi were found in United States.

Data verified 三月 2026

在 Nature FYI 系列中发现更多