1.About 17 species: mainly neotropical, but with outliers in Africa, Asia, and Australasia; one species in China.
主要分布在新大陆热带区,但是在非洲,亚洲和澳大拉西亚也有零星分布;中国有1种。
2.The styles of the detachment structure are short antiform and synform structure mainly, and dome structure, nappe outlier and nappe tectonic window too.