dicystid gregarine

例句：

1. 1.The fossils found in the dinosaur site are part of the dicystid family.
   在恐龙遗址中发现的化石属于二齿螺科。
2. 2.The dicystid species is known for its unique shell structure.
   二齿螺科物种以其独特的壳结构而闻名。
3. 3. Researchers have discovered new species within the dicystid family.
   研究人员发现了二齿螺科家族中的新物种。