Author:
Peterson,F.;Cornet,B.;Turner-Peterson,C.E.
Year:
1977
Title:
New data bearing on the stratigraphy and age of the Glen Canyon Group, (Triassic and Jurassic) in southern Utah and northern Arizona.
Reference:
Peterson,F. et al. (1977) New data bearing on the stratigraphy and age of the Glen Canyon Group, (Triassic and Jurassic) in southern Utah and northern Arizona. Geological Society of America, Abstracts with Program, Annual Meeting Vol. 9 # 6 P. 755- 755
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Corollina Corollina meyeriana Utah Sinemurian Early Pleistocene
Corollina Corollina murphyi Utah Sinemurian Early Pleistocene
Corollina Corollina torosa Utah Sinemurian Early Pleistocene