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GRAPTOLITES FROM NEAR THE ORDOVICIAN-SILURIAN BOUNDARY IN ILLINOIS AND IOWA
LOYDELL, DAVID K., MALLETT, ANDREW, MIKULIC, DONALD G., KLUESSENDORF, JOANNE, NORBY, RODNEY D.Volume:
76
Language:
english
Journal:
Journal of Paleontology
DOI:
10.1666/0022-3360(2002)0762.0.co;2
Date:
January, 2002
File:
PDF, 187 KB
english, 2002