Stringer, Gary, Richard Hulbert, Dirk Nolf, Paul Roth, and Roger Portell. 2017. “A Rare Occurrence of Matched Otoliths and Associated Skeletal Remains of Apogon Townsendi (Osteichthyes) from the Caloosahatchee Formation (lower Pleistocene) of Florida”. Bulletin of the Florida Museum of Natural History 55 (4):89-103. https://doi.org/10.58782/flmnh.xjvi1874.