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Spencer, 1883
Occurrence of graptolites in the Niagara Formation of Canada
Spencer, J. W.
| Year | 1883 |
|---|---|
| Journal | American Association for the Advancement of Science, Proceedings |
| Volume | 31 |
| Pages | 363–365 |
| Type | article in journal |
| Language | English |
| Id | 54077 |
Last change: 15.6.2026