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.
Dzik 2002 Emergence and collapse of the Frasnian conodont and ammonoid communities in the Holy Cross Mountains, Poland.
Acta Palaeontologica Polonica, 47: 565-650, 57 fig., 7 tab., Warszawa.
House 1965 A study in the Tornoceratidae: the succession of Tornoceras and related genera in the North American Devonian.
Phil. Transactions of the Royal Society of London, Ser.B Biological Science, No.763 Vol.250: 79-130, fig.1-19, pl.1-11; London.