The fauna of the Clayton Formation (Paleocene, Danian) of southern Illinois: a case of K/P survivorship and Danian recovery. Bulletin of the Mizunami Fossil Museum, 32, 97–108

A new near-shore marine fauna and flora from the early Neogene of northwestern Venezuela. Journal of Paleontology, 74(5), 957–968
DOI: 10.1666/0022-3360(2000)074<0957:ANNSMF>2.0.CO;2