Ptychoderidae

例句：

1. 1. This species is part of the Ptychoderidae family.
   这种物种属于甲壳纲。
2. 2. The Ptychoderidae are known for their unique shells.
   甲壳纲以其独特的贝壳而闻名。
3. 3. The scientists discovered a new species in the Ptychoderidae family.
   科学家们在甲壳纲家族中发现了一种新的物种。