The Ordovician-Silurian boundary at the easternm end of Anticosti Island / L.R.M.Cocks and P.Copper. -- Ottawa, 1981. -- S.1029-1034, : obr. -- In: Canadian Journal of Earth sciences, 1981, Volume 18, Number 6.. -- bibl.
Ordovician-Silurian boundary
Hirnantia fauna
Anticosti Island
Ellis Bay Formation