Haplomitriales
（重定向自Calobryales）
Haplomitriales (formerly Calobryales) is an order of plants known as liverworts. The order is also called Calobryales in some sources, but the genus Calobryum is a synonym for Haplomitrium.
This order contains one family, Haplomitriaceae, with a single extant genus Haplomitrium.