Macfadden, B.J. & Jones, D.S. & Jud, N.A. & Moreno-Bernal, J.W. & Morgan, G.S. & Portell, R.W. & Perez, V.J. & Moran, S.M. & Wood, A.R. (2017)
Integrated Chronology, Flora and Faunas, and Paleoecology of the Alajuela Formation, Late Miocene of Panama. PLoS ONE, 12(1), Article e0170300
DOI: 10.1371/journal.pone.0170300

Morgan, G.S. & Portell, R.W. (1996)
The Tucker Borrow pit: Paleontology and stratigraphy of a plio-pleistocene fossil site in Brevard County, Florida. Papers in Florida Paleontology, 7, 1–25

Scudder, S.J. & Simons, E.H. & Morgan, G.S. (1995)
Chondrichthyes and Osteichthyes from the Early Pleistocene Leisey Shell Pit Local Fauna, Hillsborough Country, Florida. Bulletin of the Florida Museum of Natural History, 37 Pt. 1(8), 251–272

Morgan, G.S. (1994)
Whither the Giant White Shark? American Paleontologist, 2(3), 1–2