In a message dated 4/6/00 3:32:05 PM EST, twilliams_alpha@hotmail.com writes: << Why couldn't we have stuck with Barsbold's Saurornithoididae, which has a more stable genus as its name-bearer? Because the ICZN said we couldn't, that's why. >> No, it's because we now have more information about Troodon than when Barsbold described Saurornithoididae.