Upper Cambrian to Lower Ordovician Conodont Biostratigraphy and Biofacies, Rabbitkettle Formation, District of Mackenzie / Ed Landing, Rolf Ludvigsen, Peter H. von Bitter - Landing, Ed; Ludvigsen, Rolf Bitter, Peter H. von (Toronto : ROM)
Keywords: 1.INVERTEBRADOS FÓSILES 2.PALEONTOLOGÍA -CÁMBRICO