Gigaspermales

Gigaspermaceae are a family of mosses in the monotypic order Gigaspermales. The order is placed in subclass Gigaspermidae of the class Bryopsida. They were previously placed in subclass Funariidae.

Lorentziella is a genus of moss in the family Gigaspermaceae. The genus contains a single species Lorentziella imbricata known from central Texas, Mexico, and South America (Argentina, Paraguay, & Uruguay). Imbricate lorentziella moss is a common name.

Gigaspermum is a genus of moss in the family Gigaspermaceae. It contains four species.