Coelacanthidae

例句：

1. 1.The Coelacanthidae is agroup of marine reptiles that arefound in the oceans.
   海龟科是一群海洋爬行动物，生活在海洋中。
2. 2. The Coelacanthidae is knownfor its unique features and behavior.
   海龟科以其独特的特征和行为而闻名。
3. 3. The Coelacanthidae wasdiscovered by scientists who were studying the deepsea.
   科学家发现了海龟科，他们正在研究深海。