sentences:  Eventually, the genera of Acestridiini was included under Hypoptopomatinae and genera of Farlowellini was reclassified into Hartiini.This subfamily has been found to be monophyletic.The most recent papers conclude that there are 30 or 31 genera; the status of "Cteniloricaria" is dubious; although recognized as a synonym of "Harttia" by some, this conclusion was reached without diagnosing the type species of "Cteniloricaria".