Deinonychus was formed in 1992 by Marco Kehren, and for several years the project operated as a one-man band, Kehren finally joined by former Cradle Of Filth drummer William Sarginson in 1999 and two others a couple of years later. Funeral doom is the order of the day here, particularly on 1996's The Weeping Of A Thousand Years, with its church organs, ultra-slow riffs, and harsh vocals. By the time of Mournament in 2002 the band had branched out just a bit, toward a more standard doomdeath style. Kehren is an emotive vocalist (he also fronted the bizarre German act Bethlehem for a time), with black metal howls, growls, and all-around tortured screams the focal point of the band. As with most bands in this style, the audience is limited, but these guys pull off doomdeath as well as anyone these days.

Kehren decided to disband the group in September 2008, with a new (non-metal) project in the works in its place.