Author:
Tschudy,R.H.;Pillmore,C.L.;Orth,C.J.;Gilmore,J.S.;Knight,J.D.
Year:
1984
Title:
Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior.
Reference:
Tschudy,R.H. et al. (1984) Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. Science Vol. 225 P. 1030- 1032
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Ulmipollenites Ulmipollenites Montana Cretaceous Recent