tritochorite

例句：

1. 1.This fossil is a trilobite, which lived millions of years ago.
   这个化石是一种三叶虫，它生活在数百万年前。
2. 2.The discovery of this trilobite species has sparked new research in paleontology.
   这种三叶虫物种的发现激发了古生物学的新研究。
3. 3.Tritochorites are found in the ocean floor and have been used as indicators of ancient ocean temperatures.
   三叶虫在海洋底部被发现，它们被用作古代海洋温度的指示器。