In a message dated 96-02-06 10:58:19 EST, Thomas_R_HOLTZ@umail.umd.edu (th81) writes: >The Late K therizinosauroids CLEARLY DO!! They were, in fact, one of the >main groups Barsbold Rinchen uses in describing the semilunate structure. > > But _Alxasaurus_ does not. So segnosaur semilunate carpals (if that's what you want to call them) arose independently of Theropoda.