三叠纪

The Triassic period was a time of significant marine reptile diversity, with ichthyosaurs and plesiosaurs flourishing.
三叠纪是海洋爬行动物种类繁多的时代，鱼龙和蛇颈龙非常活跃。
Fossil deposits from the Triassic have provided crucial insights into the early evolution of dinosaurs.
三叠纪的化石遗存为恐龙早期演化提供了重要线索。
During the Triassic, the supercontinent Pangaea began to break apart, leading to the formation of new ocean basins.
在三叠纪期间，泛大陆潘格亚开始分裂，形成了新的海洋盆地。
The Triassic is known for its lush vegetation, including the first appearance of seed plants on Earth.
三叠纪以丰富的植被著称，包括地球上首次出现的种子植物。
Paleontologists found numerous dinosaur footprints preserved in the Triassic rock layers of South America.
古生物学家在南美洲的三叠纪岩石层中发现了大量恐龙脚印化石。
The Triassic marked the end of the Permian-Triassic mass extinction event, which wiped out many marine species.
三叠纪标志着二叠纪-三叠纪大灭绝事件的结束，那次事件消灭了许多海洋生物。
In the Triassic, large amphibians, like Rhynchosaurus, roamed the Earth's forests and swam in its rivers.
在三叠纪，大型两栖动物如喙头龙在地球的森林中游荡，并在河流中游泳。
The climate during the Triassic was generally warm and humid, with tropical conditions prevailing in some areas.
三叠纪时期的气候通常温暖潮湿，部分地区具有热带气候特征。
Geologists study the Triassic sediments to understand the transition from the ancient seas to the beginning of the dinosaurs' dominance.
地质学家研究三叠纪的沉积物，以了解从古老海洋到恐龙统治初期的转变。
The Triassic witnessed the emergence of the first true reptiles, marking a significant shift in the Earth's ecosystems.
三叠纪见证了第一种真正的爬行动物的出现，标志着地球生态系统的重要转变。