I would suggest not using wikipedia as a source.
And and as regards the Decretum Gelasianum, while even if it accurately evidences early papal sanction of the books at issue, it was neither an ecumenical authority (and the statements at issue are not found in Denzinger) nor does that negate the reality that an disagreement an doubt continued into Trent, while its authority is disputed, based upon evidence that it was pseudepigraphical, being a sixth century compilation put together in northern Italy or southern France at the beginning of the 6th cent. More In addition, the Council of Rome found many opponents in Africa
The Decree of Gelasius (Decretum Gelasianum), which contains a list of canonical books, was so called because it was formerly ascribed to Pope Gelasius (in office from 492 to 496). Various recensions of the same decree were also ascribed to the earlier Pope Demasus (366-384) and the later Hormisdas (514-523), or to councils over which they presided. But for the past century most scholars have agreed with Ernst von Dobschütz's conclusion that all the various forms of the decree derive from the independent work of an anonymous Italian churchman in the sixth century. 1 - http://www.bible-researcher.com/gelasius.html; Ernst von Dobschütz, Das Decretum Gelasianum de libris recipiendis et non recipiendis in kritischem Text herausgegeben und untersucht von Ernst von Dobschütz (Leipzig: J. C. Hinrichs, 1912)
"The Decretum Gelasianum was falsely thought to be a papal documents and accepted by such by Theodulf. ( Studia Patristica. Vol. XLIII - Augustine, Other Latin Writers, M. Edwards P Parvis, Hubert Young)