成唯識論述記 6.457

6.457

第三又解，此中五識在色者，彼無鼻、舌。文中言總，理實三識，不違前文。

The third explanation is: The five consciousnesses here refer to those in the form realm, which lack nose- and tongue-consciousnesses. The phrasing in the text is general, but in reality it refers to three consciousnesses, which does not contradict the earlier text.