title: Palmoxylon simperi and Palmoxylon pristina: Two Pre-Cretaceous Angiosperms from Utah.
abstract: Petrified palm stems (Palmoxylon simperi and Palmoxylon pristina) from the Middle Jurassic Arapien Shale Formation near Redmond, Sevier Country, Utah, are the first unequivocal angiosperms reported from pre-Cretaceous strata.
authors.forename: W D
authors.initials: WD
authors.lastname: Tidwell
authors.forename: S R
authors.initials: SR
authors.lastname: Rushforth
authors.forename: J L
authors.initials: JL
authors.lastname: Reveal
authors.forename: H
authors.initials: H
authors.lastname: Behunin