On Conodonts from the Chazy and Cincinnati Group of the Cambro-Silurian, and from the Hamilton and Genesee-Shale Divisions of the Devonian, in Canada and the United States

G. J. Hinde
1879 Quarterly Journal of the Geological Society  
doi:10.1144/gsl.jgs.1879.035.01-04.23 fatcat:cfy3tqeumzcylgbci6dlrdup4q