|
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.
|
|
|
Miller |
1938 |
Devonian ammonoids of America.
Special Papers, Geological Society of America, 14: 1-262, fig.1-41, pl.1-39; Baltimore.
|