The lower Ordovician (Tetragraptus zone) at Saint John, New Brunswick, and the new genus Protistograptus
- 1 July 1915
- journal article
- Published by American Journal of Science (AJS) in American Journal of Science
- Vol. s4-40 (235) , 49-59
- https://doi.org/10.2475/ajs.s4-40.235.49
Abstract
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