This category is for series of anthologies in fantasy or one of its subgenres. There are two types:
Or
Single fictional universe series are usually created as the proprietary work of a single author (e.g. Marion Zimmer Bradley's Darkover tales) in which other writers are invited or desire to write a story within, and which spin-offs, if they become a series instead of a single work, are considered a sub-series.
(See also Category:Fantasy anthologies, and Category:Fantasy short story collections for single book and single author collections respectively.)