Source Data | |
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Rank | phylum (PBDB) |
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Taxonomy (PBDB) | Life : Plantae : Sphenophyta |
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Classification (PBDB,GBIF) | |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Sphenophyta | phylum | belongs to Embryophyta | stated without evidence | Taylor et al., 2008 |
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Taxon Size (PBDB) | 1 |
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First Recorded Appearance | 323 - 299 Ma Carboniferous |
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Primary Reference (PBDB) | C. A. Lapasha and C. N. Miller. 1985. Flora of the Early Cretaceous Kootenai Formation in Montana, Bryophytes and Tracheophytes Excluding Conifers. Palaeontographica Abteilung B 196:111-145 |
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