Author:
Litwin,R.J.;Traverse,A.;Ash,S.R.
Year:
1991
Title:
Preliminary palynological zonation of the Chinle Formation, Southwestern USA, and its correlation to the Newark Supergroup (Eastern USA).
Reference:
Litwin,R.J. et al. (1991) Preliminary palynological zonation of the Chinle Formation, Southwestern USA, and its correlation to the Newark Supergroup (Eastern USA). Review of Palaeobotany and Palynology Vol. 68 # 3 P. 269- 287
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Vallasporites Vallasporites ignacii New Mexico Norian
Vallasporites Vallasporites ignacii Utah Norian
Vallasporites Vallasporites ignacii Arizona Norian