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Cycadaceae
Taxonomy
Cycadaceae was named by Persoon (1807). It is extant. Its type is Cycas. It was considered unknown by Christenhusz et al. (2011).
It was assigned to Cycadopsida by Mabberley (2000); and to Cycadales by Knowlton (1919), MacGinitie (1941), Meyen (1984), Doweld (2001) and Christenhusz et al. (2011).
It was assigned to Cycadopsida by Mabberley (2000); and to Cycadales by Knowlton (1919), MacGinitie (1941), Meyen (1984), Doweld (2001) and Christenhusz et al. (2011).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1807 | Cycadaceae Persoon p. 630 |
| 1919 | Cycadaceae Knowlton |
| 1941 | Cycadaceae MacGinitie |
| 1984 | Cycadaceae Meyen p. 90 |
| 2000 | Cycadaceae Mabberley |
| 2001 | Cycadaceae Doweld p. xvii |
| 2011 | Cycadaceae Christenhusz et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. Cycadaceae Persoon 1807
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G. †Ctenophyllum Schimper 1870
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†Ctenophyllum angustifolium Fontaine 1896
†Ctenophyllum braunianum Göppert 1844
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Invalid names: Pterophyllum decussatum Emmons 1856 [synonym], Pterophyllum spatulatum Emmons 1857 [synonym], Pterozamites abbreviatus Braun 1843 [synonym], Pterozamites obtusifolius Rogers 1843 [synonym]
†Ctenophyllum densifolium Fontaine 1896
†Ctenophyllum giganteum Fontaine 1883
†Ctenophyllum grandifolium Fontaine 1883
†Ctenophyllum latifolium Fontaine 1889
†Ctenophyllum lineare Emmons 1857
†Ctenophyllum pachynerve Fontaine 1905
†Ctenophyllum taxinum Lindley and Hutton 1835
†Ctenophyllum truncatum Fontaine 1883
†Ctenophyllum wannerianum Fontaine 1900
†Ctenophyllum wardii Fontaine 1896
G. †Cycadinocarpus Schimper 1870
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†Cycadinocarpus chapini Newberry 1888
†Cycadinocarpus circularis Newberry 1895
†Cycadinocarpus keuperianus Schenk 1870
†Cycadinocarpus rajamahalensis Feistmantel 1877
G. †Cycadites Buckland 1836
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†Cycadites acutus Emmons 1856
†Cycadites cutchensis Feistmantel 1876
†Cycadites megalophyllus Buckland 1836
†Cycadites pungens Lesquereux 1891
†Cycadites rajmahalensis Oldham 1863
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Invalid names: Cycadites blanfordianus Oldham 1863 [synonym], Cycadites conferta Morris 1863 [synonym]
†Cycadites tenuinervis Fontaine 1883
†Cycadites unjiga Dawson 1882
†Cycadites wadianus Bose et al. 1983
G. †Dioonites Miquel 1851
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†Dioonites borealis Dawson 1882
†Dioonites buchianus Ettingshausen 1852
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Invalid names: Pterophyllum abietinum Göppert 1816 [synonym]
†Dioonites carnallianus Göppert 1843
†Dioonites columbianus Dawson 1873
†Dioonites dunkerianus Göppert 1843
†Dioonites feneonis Brongniart 1828
G. †Encephalartopsis Fontaine 1889
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†Encephalartopsis nervosa Fontaine 1889
†Encephalartopsis oregonensis Fontaine 1905
G. †Glossozamites Schimper 1870
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†Glossozamites distans Fontaine 1889
†Glossozamites fontaineanus Ward 1899
†Glossozamites oblongifolius Kurr 1870
G. †Platypterygium Feistmantel 1886
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†Platypterygium densinerve Fontaine 1889
†Platypterygium rogersianum Fontaine 1889
G. †Sphenozamites Brongniart 1849
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†Sphenozamites beani Lindley and Hutton 1832
†Sphenozamites oblanceolatus Penhallow 1902
G. †Zamiopsis Fontaine 1889
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†Zamiopsis dentata Fontaine 1889
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Invalid names: Zamiopsis longipennis Fontaine 1889 [synonym], Zamiopsis pinnatifida Fontaine 1889 [synonym]
†Zamiopsis laciniata Fontaine 1889
†Zamiopsis petiolata Fontaine 1889
G. †Zamiostrobus Endlicher 1836
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†Zamiostrobus macrocephalus Endlicher 1836
†Zamiostrobus virginiensis Fontaine 1883
Diagnosis
No diagnoses are available