yes, Matt 28:19 "Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost" is spurious.
Jesus gave a command but yet there is no record of anyone following through with it.
That's because it is not meant the way most think it does. It is not saying to baptize 'in the name of' any of or each of the 3 mentioned. It means that they have authority to go baptize with the said behind them/supporting them.
It's like saying, STOP, 'in the name of the law'. A policeman can tell a person to STOP with the authority of the law backing him.