	Authors	Year	Title
	Hall	1843	Geology of New York. Part IV. Comprising the survey of the fourth geological district. 1-683, pl.1-19; Albany.
	Hall	1879	Descriptions of the Gasteropoda, Pteropoda and Cephalopoda of the Upper Helderberg, Hamilton, Portage and Chemung Groups. Paleontology of New York, 5 (2): 1-492, pl.1-113; Albany.