Year: 2001Publication Type: Journal Article - Multi-AuthorJournal Volume: 409Page Range: 614-618Article/Chapter Title: Molecular phylogenetics and the origins of placental mammals Journal Name: NatureAuthor(s) from ICR Staff: Oliver Ryder, Ph.D.Author Name/Init: Author Surname: MurphyAuthor Initials: W.J. Author Surname: EizirikAuthor Initials: E. Author Surname: JohnsonAuthor Initials: W.E. Author Surname: ZhangAuthor Initials: Y.-P. Author Surname: RyderAuthor Initials: O.A. Author Surname: O’BrienAuthor Initials: S.J.