Palmoxylon simperi and Palmoxylon pristina: Two Pre-Cretaceous Angiosperms from Utah.
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.
Tidwell
W D
WD
Rushforth
S R
SR
Reveal
J L
JL
Behunin
H
H