| Reference Type | Journal (article/letter/editorial) |
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| Title | New cheirurinid trilobites from the lower Whittaker Formation (Ordovician), southern Mackenzie Mountains |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Ludvigsen, Rolf | Author |
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| Year | 1976 (July 1) | Volume | 13 |
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| Issue | 7 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e76-097Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 474932 | Long-form Identifier | mindat:1:5:474932:9 |
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| GUID | 0 |
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| Full Reference | Ludvigsen, Rolf (1976) New cheirurinid trilobites from the lower Whittaker Formation (Ordovician), southern Mackenzie Mountains. Canadian Journal of Earth Sciences, 13 (7) 947-959 doi:10.1139/e76-097 |
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| Plain Text | Ludvigsen, Rolf (1976) New cheirurinid trilobites from the lower Whittaker Formation (Ordovician), southern Mackenzie Mountains. Canadian Journal of Earth Sciences, 13 (7) 947-959 doi:10.1139/e76-097 |
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| In | (1976, July) Canadian Journal of Earth Sciences Vol. 13 (7) Canadian Science Publishing |
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| Abstract/Notes | Two new genera of cheirurinid trilobites are described from the lower Whittaker Formation (?Rocklandian to Edenian; late Middle and early Late Ordovician) of the southern Mackenzie Mountains. The monotypic genus, Whittakerites n. gen., is a probable descendant of Ceraurus and is presently known only from northern Canada. Borealaspis n. gen. is established for two species from northern Canada, one of which possibly occurs in northern Greenland, and includes B. numitor (Billings) from Anticosti Island. New species described are Whittakerites planatus, Borealaspis whittakerensis, and B. biformis. |
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