Check out these dinasaur models in resin at 1/8 and 1:72 scale...
http://www.davidkrentz.com/Krentz_Presentz_Sculpture/1_18.html
http://www.davidkrentz.com/Krentz_Presentz_Sculpture/1_72.html
http://www.davidkrentz.com/Krentz_Presentz_Sculpture/1_18.html
http://www.davidkrentz.com/Krentz_Presentz_Sculpture/1_72.html