Molluscoidea

例句：

1. 1. Mollusca is the largest phylum of animals on Earth.
   软体动物是地球上最大的动物类群。
2. 2.The discovery of new species in mollusca has sparked a lot of excitement.
   在软体动物中发现新物种引发了很多兴奋。
3. 3. Mollusca are known for their ability to reproduce rapidly and adapt to changing environments.
   软体动物以其迅速繁殖和适应环境变化的能力而闻名。