Nassichuck, W.W.
A Late Pennsylvanian ammonoid from Ellesmere Island, Canadian Arctic Archipelago - Ottawa, Ontario Geological Survey of Canada 1969 - pp. 123-127
AMMONOIDEA
CARBONIFERO
CANADA
A Late Pennsylvanian ammonoid from Ellesmere Island, Canadian Arctic Archipelago - Ottawa, Ontario Geological Survey of Canada 1969 - pp. 123-127
AMMONOIDEA
CARBONIFERO
CANADA