Silicified Middle Ordovician Trilobites from the Families Encrinuridae and Staurocephalidae
| Title | Silicified Middle Ordovician Trilobites from the Families Encrinuridae and Staurocephalidae PDF eBook |
| Author | William R. Evitt |
| Publisher | |
| Pages | 66 |
| Release | 1977 |
| Genre | Paleontology |
| ISBN |
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Silicified Middle Ordovician Trilobites
| Title | Silicified Middle Ordovician Trilobites PDF eBook |
| Author | Harry Blackmore Whittington |
| Publisher | Geological Society of America |
| Pages | 183 |
| Release | 1953 |
| Genre | Paleontology |
| ISBN | 0813710596 |
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A Trilobite Zonation of Middle Ordovician Rocks, Southwestern District of Mackenzie
| Title | A Trilobite Zonation of Middle Ordovician Rocks, Southwestern District of Mackenzie PDF eBook |
| Author | Rolf Ludvigsen |
| Publisher | Ottawa, Canada : Energy, Mines and Resources Canada |
| Pages | 112 |
| Release | 1979 |
| Genre | Geology |
| ISBN |
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Silicified Middle Ordovician Trilobites
| Title | Silicified Middle Ordovician Trilobites PDF eBook |
| Author | Harry Blackmore Whittington |
| Publisher | |
| Pages | 133 |
| Release | 1956 |
| Genre | Odontopleuridae |
| ISBN |
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Transactions of the Royal Society of Edinburgh
| Title | Transactions of the Royal Society of Edinburgh PDF eBook |
| Author | |
| Publisher | |
| Pages | 194 |
| Release | 1993 |
| Genre | Earth sciences |
| ISBN |
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Geological Report
| Title | Geological Report PDF eBook |
| Author | |
| Publisher | |
| Pages | 70 |
| Release | 1977* |
| Genre | Geology |
| ISBN |
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Selected Ordovician Trilobites from the Lake St. John District of Quebec and Their Bearing on Systematics
| Title | Selected Ordovician Trilobites from the Lake St. John District of Quebec and Their Bearing on Systematics PDF eBook |
| Author | P. J. Lespérance |
| Publisher | |
| Pages | 30 |
| Release | 1995 |
| Genre | Paleontology |
| ISBN |
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