Authors Year Title
Clarke 1899a The Naples  fauna (fauna with Manticoceras intumescens) in Western New York.
New York State Museum Annual Report, 50: 31-161, fig.1-106, pl.1-9; Albany.
Hall 1843 Geology of New York. Part IV. Comprising the survey of the fourth geological district.
1-683, pl.1-19; Albany.
Hall 1862 Descriptions of new species of fossils from the Upper Helderberg, Hamilton, and Chemung groups.
New York State Cab. Nat. Hist., Annual Report, 15: 26-80; 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.
Miller 1938 Devonian ammonoids of America.
Special Papers, Geological Society of America, 14: 1-262, fig.1-41, pl.1-39; Baltimore.