Diversification of Ramphastinae (Aves, Ramphastidae) prior to the Cretaceous/Tertiary boundary as shown by molecular clock of mtDNA sequences

by Alves Nahum Laila, Pereira Sérgio Luiz, Campos Fernandes Flora Maria de, Russo Matioli Sergio, Wajntal Anita
Published 2003-01-01