Bryozoa (mainly Trepostomata) from the Ottawa formation (Middle Ordovician) of the Ottawa-St. Lawrence lowland.
Fritz, Madeleine A. 1896-
Bryozoa (mainly Trepostomata) from the Ottawa formation (Middle Ordovician) of the Ottawa-St. Lawrence lowland. - Ottawa, E. Cloutier, Queen's printer, 1957. - v, 75 p. 30 plates, table.
"Selected bibliography": p. 41.
gs 58000075
Bryozoa, Fossil.
Paleontology--Canada--Ottawa-St. Lawrence lowland.
Paleontology--Ordovician.
QE185 / .A43 no. 42
Bryozoa (mainly Trepostomata) from the Ottawa formation (Middle Ordovician) of the Ottawa-St. Lawrence lowland. - Ottawa, E. Cloutier, Queen's printer, 1957. - v, 75 p. 30 plates, table.
"Selected bibliography": p. 41.
gs 58000075
Bryozoa, Fossil.
Paleontology--Canada--Ottawa-St. Lawrence lowland.
Paleontology--Ordovician.
QE185 / .A43 no. 42