BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems
Cycadophyta
Source Data |
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Rank | phylum (PBDB) | |||||||||||||||
Taxonomy (PBDB) | Life : Plantae : Cycadophyta | |||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extant | |||||||||||||||
Taxon Size (PBDB) | 184 | |||||||||||||||
Extant Size (PBDB) | 19 (10%) | |||||||||||||||
First Recorded Appearance | 299 - 279 Ma Paleozoic | |||||||||||||||
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 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Cycadopsida class | accepted (GBIF) listed (PBDB) | Cycads | 2,154 | 290 Ma Permian | 0 Ma Extant |
Pachytestopsida ✝ class | listed (PBDB) | ||||
Phasmatocycadopsida ✝ class | listed (PBDB) | ||||
Cycadopites ✝ genus | accepted (GBIF) listed (PBDB) | 266 | 299 Ma Carboniferous | 33.9 Ma Oligocene |
Synonymy List
Year | Name and Author |
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1907 | Cycadophyta Bessey |
1928 | Navajoia Wieland |
2001 | Cycadophyta Doweld |
2008 | Cycadophyta Taylor et al. p. 1027 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!