Ostreidae

例句：

1. 1. Ostreidae are a group of marine animals that include sea cucumbers and squid.
   头足纲是一类海洋动物，包括海参和鱿鱼。
2. 2. The discovery of new species in Ostreidae has sparked interest in marine biology.
   头足纲中新物种的发现激发了对海洋生物学的兴趣。
3. 3. Ostreidae are known for their unique shell structures and fascinating behaviors.
   头足纲以其独特的贝壳结构和引人入胜的行为而闻名。