Catamenia is a Finnish black metal band founded in 1995 by Riku Hopeakoski and Mika Tönning in Oulu. They have been signed to Massacre Records since their first full-length release Halls of Frozen North in 1998. As of 2010, they have released nine albums, one EP, and one DVD. They are known for frequent usage of wolves in their album art, but the band is named after a kind of bird. Catamenia also means "menstruation", which the band did not know until a fan pointed it out to them after the release of their debut album.

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