Kittle, B.A., Portell, R.W., Lee, H.G., and Roberts, S.W., 2013. Mollusca – Nashua Formation (Late Pliocene to Early Pleistocene). Florida Fossil Invertebrates, Part 15.
Portell, R.W., Kittle, B.A., and Roberts, S.W., 2012. Cephalopoda – Eocene to Middle Miocene. Florida Fossil Invertebrates, Part 14.
Portell, R.W., and Roberts, S.W., 2009. New calcitic-shelled marine invertebrates from the Eocene Ocala Limestone exposed in two North Florida caves (Jackson Blue Spring and Catacombs). Geological Society of America Abstracts with Programs 41 (1): 53.