Paleozoic Submarine Landslips near Quebec City

Abstract
Records the presence of many Ordovician graptolites, including Corynoides calycularis, Climacograptus typicalis, C. bicornis, Diplograptus pristis, Tetragraptus, Didymograptus and Clonograptus, and of the Cambrian brachiopod, Acroihele prctiosa, and the trilobite Olenellus, in this part of Canada.