SUBORDER PACHYCEPHALOSAURUS(noun)Did you mean?Synonyms RhymesAlso try..suborderpachycephalosaurusDefinitions There is 1 meaning of the phrase Suborder Pachycephalosaurus. Suborder Pachycephalosaurus - as a noun Boneheaded dinosaurs; late cretaceous Word Variations & RelationsStarts SStarts SUStarts SUBStarts SUBOEnds SEnds USEnds RUSEnds URUSStarts S & ends SStarts SU & ends SStarts S & ends USA-Z Proximitiessuboptimum18suboral9suborbicular18suborbital14suborder11 suborder pachycephalosaurus suborders12subordinal13subordinancies19subordinancy20subordinaries16