Abstract

The identification of the ammonoid Nevadites merriami Smith (now known to be Nevadites hyatti (Smith), 1904, in a collection from the Beyrichites "Gynmotoceras"-Parapopanoceras faunal zone of the Toad Formation confirms the upper Anisian age originally inferred for this zone by McLearn (1946).

You do not currently have access to this article.