BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems
Sphenopsida
| Source Data |
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| Rank | class (PBDB) | ||||||||||||||||||||
| Taxonomy (PBDB) | Life : Plantae : Tracheophyta : Sphenopsida | ||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Taxon Size (PBDB) | 5 | ||||||||||||||||||||
| First Recorded Appearance | 443 - 419 Ma Paleozoic | ||||||||||||||||||||
| Primary Reference (PBDB) | D.J. Mabberley. 2000. The Plant-Book, 2nd ed. Cambridge University Press, Cambridge, UK, 858 p. | ||||||||||||||||||||
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Calamospora ✝ genus | accepted (GBIF) listed (PBDB) | 357 | 443 Ma Silurian | 113 Ma Early/Lower Cretaceous | |
| Paracalamites ✝ genus | doubtful (GBIF) listed (PBDB) | 387 | 304 Ma Carboniferous | 191 Ma Early Jurassic |
Synonymy List
| Year | Name and Author |
|---|---|
| 1967 | Sphenopsida Jain and Delevoryas |
| 1977 | Sphenopsida Hickey |
| 1982 | Sphenopsida Holmes |
| 1985 | Sphenopsida Lapasha and Miller |
| 1993 | Sphenopsida McIver and Basinger |
| 2013 | Sphenopsida Chatterjee et al. |
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!
