Breard, S. & Stringer, G.L. (1999)
Integrated paleoecology and marine vertebrate fauna of the Stone City Formation (Middle Eocene), Brazos River section, Texas. Transactions of the Gulf Coast Association of Geological Societies, 49, 132–142
Stringer, G.L. & Breard, S. (1997)
Comparison of otolith-based paleoecology to other fossil groups: an example from the Cane River Formation (Eocene) of Louisiana. Transactions of the Gulf Coast Association of Geological Societies, 47, 563–570
Breard, S. & Stringer, G.L. (1995)
Paleoenvironment of a diverse marine vertebrate fauna from the Yazoo Clay (Late Eocene) at Copenhagen, Caldwell Parish, Louisiana. Transactions of the Gulf Coast Association of Geological Societies, 45, 77–85