Taxodiaceae is a formerly recognized conifer family. It is today recognised as a paraphyletic grade of basal lineages within the Cupressaceae. It contains the following living genera:
As proposed, genera of the former Taxodiaceae are grouped in the following subfamilies within the larger Cupressaceae:
In earth's history Taxodiaceae were widespread. They are known since the Jurassic and can be found as fossil from Tertiary times.