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Ptilophyllum
Taxonomy
Ptilophyllum was named by Morris (1840). It is not extant. It is considered to be a form taxon.
It was assigned to Cycadophyta by Andrews (1970); and to Bennettitales by Lakhanpal et al. (1976), Chandra and Tewari (1991), Watson and Sincock (1992) and Santos et al. (2022).
It was assigned to Cycadophyta by Andrews (1970); and to Bennettitales by Lakhanpal et al. (1976), Chandra and Tewari (1991), Watson and Sincock (1992) and Santos et al. (2022).
Species
P. acutifolium (syn. Palaeozamia rigida, Palaeozamia acutifolium, Zamia theobaldii), P. amarjolense, P. antarcticum, P. cutchense (syn. Palaeozamia affinis, Otozamites contiguus, Zamia indica, P. brachyphyllum, Palaeozamia cutchensis), P. deodikarii, P. distanse, P. gladiatum, P. guptae, P. horridum, P. indicum, P. institacallum, P. jabalpurense, P. menendezii, P. muelleri (syn. Anomozamites muelleri), P. nipanica, P. oldhamii, P. pecten, P. pectiniformis, P. raghudevapurense, P. rarinervis, P. rewaensis, P. sahnii, P. sakrigaliensis, P. sparsifolium, P. tenerrimum, P. valvatum
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1840 | Ptilophyllum Morris |
1970 | Ptilophyllum Andrews |
1976 | Ptilophyllum Lakhanpal et al. |
1991 | Ptilophyllum Chandra and Tewari |
1992 | Ptilophyllum Watson and Sincock |
2022 | Ptilophyllum Santos et al. p. 10 |
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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.
G. †Ptilophyllum Morris 1840
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†Ptilophyllum acutifolium Morris 1840
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Invalid names: Palaeozamia acutifolium Morris 1863 [synonym], Palaeozamia rigida Oldham 1863 [synonym], Zamia theobaldii McClelland 1850 [synonym]
†Ptilophyllum amarjolense Bose 1953
†Ptilophyllum antarcticum Archangelsky and Baldoni 1972
†Ptilophyllum cutchense Morris 1840
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Invalid names: Otozamites contiguus Feistmantel 1876 [synonym], Palaeozamia affinis Morris 1863 [synonym], Palaeozamia cutchensis Morris 1863 [synonym], Ptilophyllum brachyphyllum Feistmantel 1876 [synonym], Zamia indica McClelland 1850 [synonym]
†Ptilophyllum deodikarii Mahabale and Satyanarayana 1979
†Ptilophyllum distanse Feistmantel 1877
†Ptilophyllum gladiatum Bose and Sukh-Dev 1958
†Ptilophyllum guptae Sharma 1967
†Ptilophyllum horridum Roy 1967
†Ptilophyllum indicum Jacob and Jacob 1954
†Ptilophyllum institacallum Bose 1959
†Ptilophyllum jabalpurense Jacob and Jacob 1954
†Ptilophyllum menendezii Cantrill 2000
†Ptilophyllum muelleri Ettingshausen 1886
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Invalid names: Anomozamites muelleri Ettingshausen 1886 [synonym]
†Ptilophyllum nipanica Vishnu-Mittre 1957
†Ptilophyllum oldhamii Jacob and Jacob 1954
†Ptilophyllum pecten Phillips 1829
†Ptilophyllum pectiniformis Sternberg 1823
†Ptilophyllum raghudevapurense Mahabale and Satyanarayana 1979
†Ptilophyllum rarinervis Feistmantel 1879
†Ptilophyllum rewaensis Sukh-Dev and Zeba-Bano 1977
†Ptilophyllum sahnii Gupta and Sharma 1968
†Ptilophyllum sakrigaliensis Sah 1958
†Ptilophyllum sparsifolium Sharma 1967
†Ptilophyllum tenerrimum Feistmantel 1877
†Ptilophyllum valvatum Villar de Seoane 2001
Diagnosis
No diagnoses are available