Subclass Gigaspermidae in Class Bryopsida

In botanical taxonomy, a subclass is a rank used to further divide a class into smaller groups of closely related orders. In the hierarchy, subclass sits below class and above order.

Subclasses group together orders that share key morphological, anatomical, or genetic characteristics and are more closely related to one another than to orders in other subclasses of the same class.

Below the subclass rank, plants are classified into order, family, genus, and species, reflecting increasingly specific evolutionary relationships.

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