Year Albums Lineup Style
1983
  Harden Harrison - drums, vocals
Casey "Beefcake The Mighty" Orr - bass, vocals
Michael "Mike" Scaccia - guitars, vocals
Technical Thrash metal
1984
 
1985
 
1986
Demo 1986 [Demo] Harden Harrison - drums, vocals
Casey "Beefcake The Mighty" Orr - bass, vocals
Michael "Mike" Scaccia - guitars, vocals
Bruce Corbitt - vocals
1987
 
1988
Rigor Mortis
1989
Freaks [EP] Harden Harrison - drums, vocals
Casey "Beefcake The Mighty" Orr - bass, vocals
Michael "Mike" Scaccia - guitars, vocals
Doyle Bright - vocals
1990
 
1991
Rigor Mortis Vs. The Earth
1992
    
1993
 
1994
 
1995
 
1996
 
1997
 
1998
 
1999
 
2000
 
2001
 
2002
 
2003
 
2004
 
2005
  Bruce Corbitt - vocals
Harden Harrison - drums, vocals
Casey "Beefcake The Mighty" Orr - bass, vocals
Michael "Mike" Scaccia - guitars, vocals
Technical Thrash metal
2006
 
2007
 
2008
 
2009
 
2010
 
2011
 
2012
 
2013
  Bruce Corbitt - vocals
Harden Harrison - drums, vocals
Casey "Beefcake The Mighty" Orr - bass, vocals
2014
Slaves To The Grave