Title: Middle Jurassic (Bajocian) ammonites from eastern Oregon
First published: 1973
Description: Additional title page description: Bajocian ammonites of eastern Oregon greatly resemble those of Alaska and Europe, indicate marine connections with Europe, and permit accurate zonal dating in the Pacific Coast region.
Subjects: Paleontology, Ammonoidea, Paléontologie
Places: Oregon
Time periods: Jurassic
LC classification: QE807.A5 I614