| Reference Type | Journal (article/letter/editorial) |
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| Title | The brachymetopid trilobite Radnoria in the Silurian (Wenlock) of New York State and Arctic Canada |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Adrain, Jonathan M | Author |
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| Tetreault, Denis K | Author |
| Year | 2005 (December 1) | Volume | 42 |
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| Issue | 12 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e05-085Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 484008 | Long-form Identifier | mindat:1:5:484008:8 |
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| GUID | 0 |
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| Full Reference | Adrain, Jonathan M, Tetreault, Denis K (2005) The brachymetopid trilobite Radnoria in the Silurian (Wenlock) of New York State and Arctic Canada. Canadian Journal of Earth Sciences, 42 (12) 2087-2096 doi:10.1139/e05-085 |
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| Plain Text | Adrain, Jonathan M, Tetreault, Denis K (2005) The brachymetopid trilobite Radnoria in the Silurian (Wenlock) of New York State and Arctic Canada. Canadian Journal of Earth Sciences, 42 (12) 2087-2096 doi:10.1139/e05-085 |
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| In | (2005, December) Canadian Journal of Earth Sciences Vol. 42 (12) Canadian Science Publishing |
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| Abstract/Notes | Radnoria bretti n. sp., from the Wenlock (Sheinwoodian) Rochester Formation of western New York State, is the best preserved and most completely known member of its genus. It provides the first definitive information on Radnoria's hourglass-shaped rostral plate, the first known hypostome of a Silurian member of the genus, demonstrates that Radnoria engaged in sphaeroidal enrollment, and reveals that early holaspid individuals had tubercles on the posterior thoracic axes and pygidial axial rings that were effaced with maturity. Three new species from the Wenlock of the Cape Phillips Formation of Nunavut are known from sparse material and are reported in open nomenclature. Together, the species greatly increase knowledge of Laurentian Silurian brachymetopids, which have until now been known from a single cranidium from the Wenlock of Arkansas. |
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