nemestrinid

例句：

1. 1. The nemestrinid was a rare and fascinating creature.
   这个无脊椎动物是罕见的，令人着迷。
2. 2. The nemestrinid's unique features made it stand out among its peers.
   这种无脊椎动物独特的特征使它在同类中脱颖而出。
3. 3. The nemestrinid's discovery has sparked new research in the field of paleontology.
   这种无脊椎动物的发现激发了古生物学领域的新研究。