ammonites

J. Riva and A. A. Petryk 1981

Full reference
J. Riva and A. A. Petryk. 1981. Graptolites from the Upper Ordovician and Lower Silurian of Anticosti Island and the position of the Ordovician-Silurian boundary. Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Stratigraphy and Paleontology 2:159-164 [S. Holland/T. Hanson/S. Holland]
Metadata
ID number:  6922
Created:  2002-08-11 14:48:17
Modified:  2003-12-05 03:59:08
Publication type:  guidebook
Taxonomy:  stated without evidence