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Cycadeospermum ✝
Source Data | |
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Rank | genus (PBDB) |
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Taxonomy (PBDB) | Life : Plantae : Cycadeoideophyta : Cycadeoideopsida : Bennettitales : Cycadeospermum |
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Classification (PBDB,GBIF) | |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Cycadeospermum | genus | belongs to Bennettitales | stated with evidence | Berry, 1922 |
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Status (PBDB) | extinct |
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Taxon Size (PBDB) | 1 |
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First Recorded Appearance | 161 - 156 Ma Jurassic |
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Last Recorded Appearance | 66.0 - 56.0 Ma Paleocene |
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Primary Reference (PBDB) | E. W. Berry. 1922. The flora of the Cheyenne Sandstone of Kansas. United States Geological Survey Professional Paper 129(1):199-231 |
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Fossil Distribution
Synonymy List
Year | Name and Author |
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1874 | Cycadeospermum Saporta |
1922 | Cycadeospermum Berry |
1970 | Cycadeospermum Andrews |
References
Berry E. W. (1922) The flora of the Cheyenne Sandstone of Kansas, United States Geological Survey Professional Paper 129 1, 199-231 |