Holtz rejected this hypothesis in 1999, and most paleontologists now consider troodontids to be much more closely related to either birds or Dromaeosauridae than they are to ornithomimosaurs, causing the Bullatosauria to be abandoned.
Holtz je 1999. godine odbio tu hipotezu i sada većina paleontologa smatra da su trudontidi srodniji pticama ili dromeosauridima nego ornitomimosaurima, pa se naziv Bullatosauria prestao koristiti.