Source Data | |
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Rank | species (PBDB) |
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Taxonomy (PBDB) | Life : Animalia : Chordata : Pteraspidomorpha : Cyathaspidiformes : Cyathaspididae : Dikenaspis : Dikenaspis yukonensis |
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Classification (PBDB,GBIF) | |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Dikenaspis yukonensis | species | belongs to Dikenaspis | stated with evidence | Denison, 1963 |
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Status (PBDB) | extinct |
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Taxon Size (PBDB) | 1 |
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First Recorded Appearance | 443 - 419 Ma Paleozoic |
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Last Recorded Appearance | 443 - 419 Ma Paleozoic |
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Motility | actively mobile (based on Chordata) |
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Taphonomy | hydroxylapatite (based on Craniata) |
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Primary Reference (PBDB) | R. H. Denison. 1963. New Silurian Heterostraci from Southeastern Yukon. Fieldiana Geology 14(7):105-141 |
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