Age. Rancholabrean.
Synonyms. Rio Grande de los Ranchos.
General Description. In clay along Rancho Creek (Wheeler 1875).
Discussion. Wheeler (1875) reported that a Mr. Sanchez showed him a tooth of Mastodon ohioticus (= Mammut americanum), and Hay (1924) noted that E. D. Cope had seen a tooth found in clay along Rancho Creek. However, Hay thought it probably was the tooth that Cope had mentioned in a 1874 publication.
Fauna.
Mammut americanum —American Mastodont (Wheeler 1875)
Literature. Hay 1924;; Wheeler 1875.
Last Update: 25 Apr 2013