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Spencer, 1884b
Niagara Fossils. Part 1. Graptolitidae of the Upper Silurian System
Spencer, J. W.
| Year | 1884 |
|---|---|
| Journal | The Transactions of the Academy of Science of St. Louis |
| Volume | 4 |
| Number | 4 |
| Pages | 555–593 |
| Type | article in journal |
| Language | English |
| Id | 52932 |
Last change: 9.3.2026