https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=208061
Build-ups of the calcareous tube, Tymbochoos (gen. nov.) sinclairi (Okulitch), occur in mid Ordovician limestones of the Ottawa Valley; theoldest previously...
Périodique (revue)