There are two bands with the name Geryon.

1. Geryon is a two-piece avant-garde death metal band from New York comprised of members of Krallice.
http://geryon.bandcamp.com/
http://www.metal-archives.com/bands/Geryon/3540352921

2. Geryon was a metalcore band from California, split in 2010.
http://www.metal-archives.com/bands/Geryon/124525
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